Astronomy Essay Examples and Topics

Whirlpool M51 Galaxy Structure

The structure of the M51 galaxy is approximately ninety eight thousand light years in diameter which translates to almost 30, 000 parsec. This means that its diameter is equal to the distance covered going round the sun (30, 000*103,000) times. The M51 is 37 million light years away from the earth. Thus, it will take […]

The Whirlpool (M51) Galaxy

The size of the structure The Whirlpool Galaxy is a clearly visualised galaxy in the universe. It is estimated that the galaxy has a diameter of about 11.2′. The galaxy is characterised by a disk that has a radius of roughly 43,000 light years (Nemiroff and Bonnel par. 1). It has about 160 billion solar […]

Mars Environment

According to McSween, scientists and astronomers find the study of the environment of Mars and the existence of flowing of water on the surface of the planet of special interest (1). McSween argues here that the evolution of any basic form of life depends on the existence of water. A deep water analogy of the […]

Red Giant Star – Astronomy

During the transition of the Sun to a giant red star, its radius will increase more than 100 times due to the factor of 100. This increase will cause the Sun to occupy the Earth’s orbit, as well as its habitable area and in the process will consume the orbits of Mercury and Venus during […]

Star Elements of the Human Body – Astronomy

Carl Sagan is a renowned astronomer who is famous for his quotes on star stuff. Stars are heavenly bodies found in the universe that is made up of stuff also found in human beings since when the solar system was being formed, we all originated from the same matter, and almost every atom we are […]

Astronomy Issues: How the Universe Works?

The universe refers to everything that is contained in space, including space itself. It was first formed through the Bing Bang phenomenon about thirteen billion years ago. To understand how it works, one requires an in-depth knowledge not only in physics and geography, but also in the history of the universe, the present, and the […]

Extraterrestrial Impacts – Astronomy Issues

Comets and asteroids have created great impacts on the earth systems throughout history. For instance, astrologists have identified close to 170 impact craters on earth, with diameters of not less than 250km and age of up to two billion years. Upon impact, these extraterrestrial objects transfer energy through ultra-high-pressure shockwave to the intended rock, thus […]

Astronomy Issues: Earth History

History of the Earth as a planet is one of the most debatable issues. Scientists are still uncertain about major points. For examples, it is unclear when the planet was formed, what exactly caused its formation and how life appeared on the Earth. However, the majority of researchers agree on major assumptions which are known […]

A Trip to Mars

Facts about Mass Mars is one of the eight major planets that form the solar system together with the sun. Mars is the fourth planet from the sun, and it takes about 686.93 days to completely revolve around it. The atmosphere of Mars is estimated to be less than 1% of that of the earth. […]

Stellar Evolution

Abstract Stars are interesting components in the universe and although it is not easy for a layman to comprehend their existence, research carried out in this field has helped us know much about stars. One of the discoveries is that a star undergoes a lifetime just like any other living organism (e.g., the human beings); […]

Telescopes in Astronomy

Abstract The earth’s surface and the uni, the verse is composed of many phenomena and celestial bodies such as the stars, constellations, planets just to mention but a few. The study of these celestial bodies and phenomena is defined as astronomy. Among the various equipment used in the study are the telescopes. The telescope is […]

Astronomy Issues: Life on Mars

Introduction Mars is a planet that is similar and closer to earth than other planets. The planet has soil and rocks on its surface, and it has some gases in the atmosphere. Earlier researches indicated that there was a possibility of having some water, which is an essential aspect of life. According to astronomical researches, […]

An Artificial Satellite

An artificial satellite is an object that has been put into orbit in outer space by human effort. A remote sensing satellite contains within it sensors that enable it to collect information about an object without physical contact with the object. There are two types of sensors i.e. passive sensors and active sensors. Passive sensors […]

The Usefulness of Earth Observation Satellites

Executive summary The following is a case study on the usefulness of earth observation satellites. It has been prepared and organized to capture the key aspects as per the objectives of the study. The main aim of the study is to highlight some of the important benefits associated with observation satellites. In this regard, a […]

Lunar Surveyor Program

Introduction Unlike the previous exploration missions on the moon like the Ranger missions, Surveyor missions were planned in such a way that spacecraft would make soft lunar landings. The program was over-ambitious at first. The initial plan was that NASA would launch a Lander and an orbiter, and that it would perform several scientific experiments. […]

Life outside planet Earth

Introduction All living things have one thing in common. All living things are carbon-based and that they need water to survive. Water is therefore important to sustain life. There is no need to elaborate the reason why water is a crucial ingredient in a habitable planet. Water must be used as a primary requirement in […]

System Development

Overview NASA initiated a program in 1993 that was referred as Mars Surveyor program with an objective of conducting on-going missions to explore Mars. The Jet Propulsion Laboratory (JPL) was assigned the role for leading the program. The MCO was launched in 11, 1998. It was supposed to reach Mars in December 1999 as the […]

Nebular Model of the Solar system

Introduction Philosophers and scientists, particularly the astronomers, have been looking for information pertaining to how the universe was formed. Even though there is no single authoritative model that explains the manner in which the universe was formed, there is one model that satisfies the highest share of astronomers: the nebular hypothesis or model. The model […]

Formation and Motion of the Sun

The evolution of the sun The sun, which is the center of the solar system, is the main source of light and energy for the entire earth (Merali & Skinner, 2009). The sun has been described as a huge ball of fire and all the eight planets of the earth revolve around it. The ball […]

Life in This Universe

Researchers have speculated whether there is life elsewhere apart from Earth for many years. There are two different scientific thoughts that explain the existence of life in the Universe. The first school of thought is the Rare Earth Hypothesis. It suggests that the possibility of life existing in other parts of the Universe is very […]

History of the Telescope

Introduction Telescope is an instrument used to observe minute objects. It has the capability of collecting and analyzing radiations from objects that are at a distance. It has an electromagnetic spectrum that helps to magnify the size of an image when taking a photograph. Information is also collected/ gathered through image sensor. There are various […]

Planets around stars

There is an opinion that our universe is endless, however, we have too little knowledge about it. Scientists all over the world develop different theories and search for new planets. There are a lot of various theories about the creation and development of new planets. The problem of the endless of the universe is also […]

Searching for Planetary Habitability

Over several decades, scientists have continuously searched the universe for planets with the potential of supporting life (Silverman 1). In the Solar System, however, the Earth is the single planet located in the habitable zone of the star and offers the ‘just right’ environment for life to originate and develop (Science News 1). Consequently, research […]

The effects of Al-Khwarizmi’s work in Europe

Historical Background Al Khwarizmi was the best mathematician in his time and the term algorithm is from his name. He dedicated his life to finding ways to solve equations and problems through ordinary life as shown in his famous book “al-Kitab al-mukhtasar fi Hisab al-Jabr w’al-muqabala.” In English, this means “The Compendious Book on Calculation […]

Prospects of finding life in Mars

Over the years, human beings have contemplated on the possibility of existence of life in Mars. It is important to question the conventional assumption of the requirement for a planet to have to life (Grinspoon 304). In the history of mankind, people have told fictional stories about the Martians who had invaded the Earth at […]

Effects of Earth Motions

The Location of the Sun At different times of the year, the sun appears at different locations at the same time of the day. Although it is quite easy to locate these positions during the course of the day, it is difficult to locate the differences between weeks or months. Different factors affect the position […]

Misconception about the Sun

Introduction Misconception is considered as “any unfounded belief that does not embody the element of fear, good luck, faith, or supernatural interventions” (Hancock, 1940, p. 208). This can be also misunderstandings, misleading or misinterpretating ideas and facts (Barrass, 1984). This particular essay aims at explaining some of the misconceptions that kindergarten students have concerning the […]

Encounter with Mercury

Introduction The solar system is comprised of nine planets and each planet rotates on its own axis. Mercury is the innermost planet because of its close proximity to the sun. This planet can hardly support any life because the temperatures within its atmosphere are very high1, 2. However, it is difficult to observe Mercury because […]

Voyager Interstellar Mission

Research Proposal The voyager interstellar mission was aimed at exploring the interface of the heliosphere with regard to the local interstellar medium. Voyager 1 crossed the termination shock of the solar wind in December 2004 and Voyager 2 crossed it in August 2007. Data obtained from the V2 was used as a basis for the […]

What asteroids and comets tell about how the solar system formed?

Introduction The early astronomers considered the sun, stars, and planets to be the only components of the entire universe. They had a strong belief that the Earth was the heart of the whole creation. They also realized that stars’ position did not change and that there were other star-like objects as well, wandering amid them. […]

An Observation on the Necessity of Established Space Lanes

Introduction As humanity has begun to explore his home system through the use of nuclear fission propulsion technology as a method of effective space travel the privatization and proliferation of various space faring vehicles due to the technology reaching its build out completion has created a sudden boom in the number of space faring craft. […]

Space Debris Problem

Abstract Apart from the looming climate change and global warming, the world is facing a disaster in her space infrastructure, if space debris continues to fill the orbit. Records from NASA shows that, over 19,000 of debris, which are more than 1 cm in size, have been tracked, but more is believed to exist that […]

The Lowell Observatory

Introduction The space contains various wonders objects with significant effects on the study of astronomy. A wide range of research is commonly conducted in space to establish and prove various theories that are aimed at explaining the origin and significance of these heavenly bodies. The space was largely unknown to many in the ancient times. […]

Space Hazards as a Challenge to Astronauts

Introduction Space hazards refer to the events that take place beyond the surface of the earth and that may affect the health of an individual. The study of space is best understood under the subject of astronomy which explains what space is composed of as well as what can be done and what cannot be […]

History of Pluto Exploration

Pluto has long been considered as the ninth planet from the sun. It is the sixth planet from the earth. It is so far away that for many centuries, astronomers and scientists were not able to study this planet as extensively as they would have wanted. But because of the rapid improvement in technology whether […]

The Nebula cloud theory

Scientists and astronomers the world over ascribe to the idea that the formation of the solar system is best described by the solar Nebula model. They also concur that the best theory behind the formation of the solar system and the nebula model is the Nebula hypothesis. The hypothesis builds on the idea that the […]

Conflict between Aristotle and Copernicus

Science can be regarded as an everlasting research of every aspect of the universe. People have been working out various theories since pre-historic times. It may seem that there can be only one truth, so only one theory has the right to exist. However, Kuhn (1970) explains the abundance of various theories by the peculiarity […]

The Copernican Revolution

Introduction Modern science can be said to have its roots from the Copernican theory, though it was received with uncertainty by the Copernicans prior to the seventeenth century (Curd 3). Most of the scientists in the sixteenth century believe Ptolemy’s theory of Earth-centered astronomy, as well as Tycho Brahe’s theory of Geoheliocentric system. The reluctance […]

How can we detect life on extrasolar planets?

Abstract Extrasolar planets are planets that are found outside the solar system. Mathematical probability shows that some of these planets may contain life. However, this needs to be proven using credible scientific evidence. The current scientific methods to search for extrasolar life heavily depend on telescopes. The available telescopes however are not big enough to […]

Is there evidence of life on martian meteorites?

Abstract The acceptable reality for now is that no research has managed to conclusively show or document that there is life or no life in Mars. This research paper is of the opinion that the argument about life or lack of it in Mars should seize, until such a time when conclusive evidence to support […]

Comets and asteroids

Introduction Bodies that orbit the sun face many threats posed by crashing asteroids and comets. Scientific investigations have revealed that comets and asteroids which orbit the sun sometimes alter their orbital trajectory, disintegrate into fragments, and pose the kind of threat that caused the extinction of dinosaurs millions of years ago when an asteroid crashed […]

History of Astronomy

Phases of Astronomy Until the present day, astronomy had its origin in antiquity, based on the study and observation of physical objects such as the moon and the sun. These were closely interlinked with mythology and religion. The Mesopotamian era catalogues stars, a time when a circle was first divided into 360 degree. This was […]

Large-scale universe to Milky Way

Modern cosmology Different communities hold different views about the initiation of the universe. The ancestors explained the universe using various unsubstantiated myths and misconceptions based on their everyday observations. Biblical view embrace nature while cosmologists put it that the universe begun by an explosion called Big Bang. Modern cosmology gained popularity around 1918 following the discoveries of Robert Einstein as it pertains […]

20/20 Hindsight

Introduction In the daily running in life, people engage in many premeditated and involuntary activities. Most of the impromptu ones that come up require rush and closest to accurate decision making. It is from these that individuals make most mistakes at the end of the day. It may be considered a better way of expressing […]

India’s Mission to Mars

Introduction NASA’s projected cost of its Mars mission stands at $679 million. In contrast, the Indian Space Research Organization’s (ISRO) Mars mission has spent $600 less to launch the same mission (Burke, 2013). Nevertheless, ISRO has been heavily criticized for its huge spending on this mission. Critics argue that this money should have been used […]

The Planet Mars Information

Mars is one of the planets that make up the solar system. It is the fourth planet from the sun and borrows its name from the teachings of Roman mythology. Pritchard posits, “Its name denotes a Roman deity associated with war and conflicts” (1). The association of planet Mars with a Roman deity denotes the […]

The Life Cycle of a Star

Introduction For millenniums, stars have fascinated the human race. In medieval times, these heavenly bodies were thought to possess mystical powers and some civilizations even worshiped them. This supernatural view was caused by the lack of information on the true nature of stars. Modern science has enabled man to study stars and come up with […]

Space Exploration Canada

Introduction Since the International Space Station became suitable for human habitation, research has been initiated to establish the effects of space and microgravity on various phenomena of human life. Undoubtedly, space exploration breakthroughs have immensely contributed to the betterment of human life. Conspicuous evidence of the benefits of space tours to human life include: advances […]

Heavenly Bodies

Introduction Man has been fascinated by heavenly bodies since time immemorial. The inquisitive nature of human beings pertaining to what lies beyond the glittering sky and the mystery of how the moon constantly changes shape, made man embark on a journey to space. In this regard, early scientists like Galileo delved into astronomy in a […]

What We Know About Planets

Ormel and Kobayashi state that considerable time and mass are required to form a gigantic planet (1). In 1990, scientists discovered a planetary system around a millisecond pulsar. Later on, the scientists were able to measure the movement of the 51 Peg star (i.e. 5th magnitude star) located in the constellation of Pegasus. This discovery […]

Supernova Stars

The term supernova is used to refer to the explosion of a very huge star. When such a star explodes, it can release energy of up to 1044 joules. This amount of energy can be equated to the energy that the sun has given out since it came into existence. This form of an explosion […]

How do solar flares affect our daily communication and what can be done to prevent issues

Advances in modern technology have brought new innovations into the communications industry which not only have made communication faster and smoother for consumers but have in effect enabled a more precise and accurate means of navigation for cars, airplanes and ships. It must be noted though that like all technological instruments such systems are vulnerable […]

Europa Exploration: Exobiology

Exobiology is a multidisciplinary field of study which explores the origin of life on earth and other planets. The human race has been interested in the origin and possibility of life on the other planets and moons. Reflectively, myths and beliefs exist on views of the universe components. The core belief of exobiologists is that […]

MAVEN Mission on Mars

Introduction Set to launch in 2013 the MAVEN which standards for Mars Atmosphere and Volatile EvolutioN will be an exploratory satellite that will examine the upper atmosphere of Mars and will attempt to determine its interaction with the Sun and solar winds. What must be understood is that there are currently various theories which make […]

“Fertile Frontiers” by Nadia Drake

Article Synopsis The article “Fertile Frontiers” by Nadia Drake gives various scientific and theoretical accounts on the possibility of life on the moons: Titan, Enceladus, and Europa. The basis of such conjectures is the fact that each celestial body mentioned has varying properties conducive towards the creation of life in that there are bodies of […]

Definition of Meteor Shower

How does a meteor shower occur? The Solar system is made up of the Sun and the nine Planets which revolve around the Sun. The moon, asteroids, comets, dust and sun are other component of the Solar System. The sun attracts all the other objects towards it due to its high gravitational force. A meteor […]

Ancient Hawaiian Astronomers and Navigation by the Stars

Introduction Navigation utilizing the position of the stars is one of the oldest forms of travel utilized before the proliferation of modern day maps and the use of the magnetic compass. While each culture had a different interpretation regarding the origins of the stars and the night sky the ancient Polynesians conceived of the notion […]

Missions to Mars

Introduction An extensive study of the outflow channels among other geological properties show that Mars has the most hospitable climatic conditions after Earth in the entire solar system. These studies carried out by outstanding Mars scientists have been successful through various robotic explorations and missions to Mars. Here, the success of these missions is based […]

Definition of the Kepler Mission in Astronomy

Since the modern age man has fallen in love with science and the thrill of discovery spurns him on to explore new frontiers. After the invention of the airplane and telecommunication there seems to be nothing left to discover except those that can be found beyond the borders of the earth (Boss, p.90). When man […]

The Earth’s orbit and Other Astronomical Phenomena Affect the Earth’s

Jungner emphasises (1) the earth’s orbit and other astronomical phenomena will continue affecting the earth’s long term climate. The research focuses on the effect of the distance between the sun and the earth on the earth’s long term climate. The research focuses on the relationship between the distance between the moon and the sun on […]

Astronomy: Putting a Lander in Mercury to Discover Properties of the Planet

Mercury is a key component of the solar system, which is subsequent to the sun. As a result, locating it from earth is difficult. It is noteworthy that the objective of putting a Lander in mercury is to discover various properties of the planet. These include its diameter measured in kilometers. Additional objectives include determining […]

Current mission in the solar system

NASA established a discovery mission named Genesis in 2001 that targeted the sun. Astronomy experts within NASA launched it in August 8, 2001. However, the mission is still ongoing since samples are under study. This spacecraft revolved around the sun and earth for four years collecting particles of solar wind. The spacecraft entered the earth […]

Foundations of Earth Science

Seafloor Sediments: Type and Distribution Seafloor sediments can be categorized into about five groups depending on the place of origin. Terrigenous sediments are as a result of deposition of material weathered and eroded from rocks on land. They are basically found just close to their source and reduced in concentration as you move away. Authogenic […]

Hazard from Space

Mass extinction theory attributes the extinction of living organism to collision of extraterrestrial objects such as asteroids with the Earth. The collision results into drastic climatic change due to suspended clouds of dusts that affects radiation from the sun. Drastic and intermittent occurrence of meteors and asteroid resulted to a gradual loss of living organisms […]

Interstellar travel

Abstract The concept of interstellar trip is not easy, but attainable through adoption of appropriate technologies. This paper gives an overview of this possibility by discussing the main difficulties involved in such missions and a series of proposed and theoretical solutions that can be used to speed up the spaceship. It further discusses a number […]

Importance of Medieval Science

One of the main foundations in the study of science is the validation of theoretical propositions through experimental data. Theories can then be evaluated to be true or false depending on experimental results. The verification of theoretical prepositions can then help us to predict multiple outcomes in our world. In the direction of trying to […]

The Planet Jupiter

The study of the universe and other heavenly bodies has been one of the main concerns of scientists since the ancient world. The solar system has a series of planets and Jupiter is one of them. This planet was first discovered by scientists during the ancient period and it was closely linked with religious and […]