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Astronomy Essay Examples and Topics

Comets: The Deep Impact Mission by NASA

I decided to choose the book "Comets And Their Origin: The Tools To Decipher A Comet" written by Uwe Meierhenrich. The information discussed in the class provided me with a basic understanding of comets.

Astronomy: Telescope Observation

Cassegrain is a type of telescope that uses several mirrors or lenses which form an image by folding the optics. For example, it is the area of the sky that is visible when observing through [...]

Cosmology and Topography of the Universe

Einstein's equation relates topography to the bulk quantity contained in the world if the energy concentration of the free space in the universe is zero.

The Solar System Definition

A 'Shoot for the Moon' is a revelation of the first maiden journey to space by the Americans in the 1960s.

Cosmic Microwave Radiation and Universe Origins

This makes possible the formulation of the most basic definition of what the notion of CMBR stands for: It is, in essence, the most ancient photons that were emitted at the time when the universe [...]

Future Giant Telescopes

Giant telescopes use the principle of active optics by which they are able to measure the distortions due to the motion of turbulence in the Earth's atmosphere and then make allowance for these factors. Examples [...]

Interstellar Travel Possibility

Taking into account that time of a cosmic journey is proportional to its distance, it could be argued that for this type of mission to become possible, it should address the problem of speed.

Gravitational Waves Definition

The gravitational force "acts perpendicular to the waves' direction of propagation; these forces change the distance between points, and the size of the changes is proportional to the distance between the points".

Active Galactic Nucleus: Phenomenon and Detection Methods

As a result of the interaction of cold matter with supermassive black holes, practically the whole electromagnetic spectrum is produced, though a huge fraction of radiation can be sometimes obscured owing to gas and dust [...]

Evolution of Close Binary Stars

Mass transfer is the key process that contributes to the development of binary stars. In the binary system, the two Roche lobes meet, and this point is referred to as a Lagrange point.

Stellar Classification: Populations I and II

According to this classification, star populations with mass fraction of metals or elements that are heavier than hydrogen and helium that is similar to that of the Sun fall into the category of Population I, [...]

Protostars and Their Lifecycle

It lasts from the gravitational collapse of a giant molecular cloud and ends with the start of the hydrogen fusion. The gas starts to collapse toward the center of the core, creating the first stage [...]

Hubble Constant in Space Telescope Key Project

In a plot of the recession velocity and the distance from the observer, the fraction of the velocity and the distance, when expressed as a ratio, represents the Hubble constant.

Alnilam of the Orion Galaxy

Although the calculations have to be approximated due to the imperfections in the technologies used, the outcomes of the project align with the existing theory, therefore, making it obvious that tracking the movement is highly [...]

CubeSat Mission Projects

A CubeSat, a sort of miniaturized satellite, is a low-priced, institutionalized satellite with its inception in the CubeSat Project set up in the late 1990s by California Polytechnic State University and Stanford University. The CubeSat [...]

Supernova, Its Features and Relation to Human Life

The chemical, physical, and astrophysical process that leads to the explosion of a star and the dust around the supernova make us wonder if life could exist in one such place. The first possibility that [...]

Galileo’s Defence and Roman Catholic Church

I will persuade religious leaders of the positive effects of separating science from religion, and illustrate that the design of the solar system was a part of God's plan to protect planet Earth.

Pluto as a Dwarf Planet: Search Log and Findings

I noticed a news article saying that Pluto is now called a dwarf planet, but the author stresses that it is only about words. It was about Pluto's status as a dwarf planet, so I [...]

Astrolabes, Their History and Features

3 These included the position of celestial objects, time of the day or night by measuring the altitude of the sun, time of the year, part of the visible sky, altitude of any horizon object, [...]

Astronomical Distances: Measuring Methods

This hypothesis follows from the logical fact that if the light from these astronomical objects needs billion of years to reach the earth, then as a matter of consequence, the age of the entire universe [...]

Stars and Their Formation

As a result, it can be noted that chemical evolution that takes place in the universe is dependent on the activities of the large stars.

Lunar Eclipse as an Astronomical Event

The lunar eclipse takes place during the full moon when the earth's shadow covers the moon's surface. The shadows formed on the moon by the earth vary in the intensity of darkness.

The Religion Implications in the Modern Cosmology

Different religions in the world have disparate teachings about the origin of the universe. The aforementioned religions are all monotheistic, but they have different explanations regarding the existence and the origin of the universe.

Big Bang Theory: Assumptions & Scientific Evidence

The Big Bang Theory is one of the theories that explain the origin, development, and the nature of the universe. This assumption is very important in the explanation of the origin and development of the [...]

Rigel Star in Orion Constellation

Orion can be seen by the naked eye from November to February between 85 and 75 degrees latitude, in the southwest sky from a position in the Northern Hemisphere or in the northwest sky from [...]

Comets and Asteroids: Nature and Role in Science

Components of this study include An exposition on Asteroids and Comets, Origins of Comets and Asteroids and their constituents, the significance of Comets and Asteroids in the inquiry about the origins of the solar system [...]

The Sun: Uniqueness in the Universe

The sun is one of the common yellow stars in the universe. This explains why "the sun is one of the many middle-sized yellow stars in the universe".

The Next Generation Space Telescope

However, it should be noted that billions of other discoveries are yet to be made in the future. To achieve this, the next-generation space telescope should be designed in the near future.

The Solar System’s Nebular Model

In response to this, the paper is aimed at explaining the nebular model of the solar system in details and the features of the solar system that the model can explain.

Extreme Stellar Environment

The White Dwarfs are the core remnants of a star that was previously 8 times the mass of the sun. The strange behavior of this matter is that its mass and temperature are inversely proportional [...]

Solar Storms’ Effects

In this situation, New York City is one of the most vulnerable megalopolises which can suffer from the results of the storm significantly because the destruction of the Earth's magnetic field is closely associated with [...]

India’s Space Programs

Space exploration has become a key area of concern for modern scientists and this is evident from the many attempts being undertaken in the world today to explore every bit of the outer space.

Solar and Lunar Eclipses – Historical Perceptions

With the ability to predict the precise time and place of eclipses, the scientists obtained the opportunity to explore the eclipses more thoroughly and became capable of finding the connections with and the effects of [...]

Astronomy: More Than Meets the Eye

Seeing how Europa's geysers have been discovered because of the ultraviolet radiation emitted from the planet's surface and then interpreted with the help of one of the numerous technologies implanted in Hubble, it will be [...]

Galileo Galilei and His Discoveries

By this, they implied that the Creator made the mankind rule from the center of the universe. Due to poor observations of his challengers, they claimed that the Moon was smooth and had no other [...]

Dwarf Planets Discoveries

Its creation became the result of lengthy arguments between the scientists in reference to the planets of our solar system and their classification and the features that define them.

The Main Reasons for Space Exploration

In 1957, the Soviet successfully launched the first satellite into space that marked the beginning of space exploration. After the success of the Soviet's satellite, the U.S.invested more into space exploration.

Refracting Telescopes – Astronomy

Specifications Being a relatively low priced telescope, the Meade NG70-SM offers limited viewing abilities with respect to clarity and sharpness of images both in terrestrial and celestial usage.

The JUNO Project

In its 13-month orbiting, Juno will explore the conditions and processes central to the formation of planet Jupiter and the rest of the solar system.

Effects of an Asteroid or Meteorite on Earth

This is a very important topic since it is imperative for the astronomers as well as the general public to be aware of the chances of the Earth being hit and the consequences that may [...]

Trip to the Mars

9 years and in essence one can draw this logical induction that the elliptical orbit through which an astronomer moves from the Earth to Mars is relatively shorter than the elliptical orbit of Mars and [...]

The Mesarthim Star

Neighboring the stars such as Sheraton and Hamal, the Mesarthim star is located in to the right of the center of the HR diagram.

Whirlpool M51 Galaxy Structure

The beautiful colours that form the M51 galaxy are natural colours formed as a result of the intense star forming processes that take place at the galaxy due to the continuous compression of hydrogen gas [...]

The Whirlpool (M51) Galaxy

Thus, the galaxy is one of the biggest solar bodies that are unique in the universe. The colours of the structure are natural, because they are reflections of the materials that constitute the galaxy.

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.

Red Giant Star – Astronomy

This will occur only if the Sun does not occupy the Earth's orbit already as it will be huge, and although if the temperature of the Sun's surface does not increase, this effect will be [...]

Astronomy Issues: Earth History

The changed angle of the planet made it possible for the Earth to cool and the crust was formed. It is necessary to note that the Earth is still evolving and the process of change [...]

A Trip to Mars

Mars is one of the eight major planets that form the solar system together with the sun. The atmosphere of Mars is estimated to be less than 1% of that of the earth.

Stellar Evolution

The mass of the star is, however, the most essential and influential factor that determines its lifetime especially when other factors are kept to a constant.

Telescopes in Astronomy

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.

Astronomy Issues: Life on Mars

Indeed, the absence of living microorganisms in the soil is a clear indication of the absence of water on the red planet.

An Artificial Satellite

It was created with the main purpose of capturing high-resolution images of the earth.'ADEOS 2' - was designed to monitor the biomass in the carbon cycle, earth's water cycle and the trends in climate variation.

The Usefulness of Earth Observation Satellites

The objectives of study are; to promote the satellites technology across the globe, to enhance the importance of applying satellites in doing research about the earth, to create awareness of the roles that the satellites [...]

Lunar Surveyor Program

Surveyor 1, the first spacecraft in the program touched down on the lunar surface in the month of June 1966, the second was unsuccessful.

Life outside planet Earth

In the case of the Earth, "the habitable zone is determined by two factors: the effective surface temperature of a planet as determined by the flux arriving form the local star and the radiation-trapping efficiency [...]

System Development

Thus, the failure of system engineers to use the correct coding metrics was the root cause of the MCO problem. As a result of the aforementioned mistakes during the coding process, the MCO was not [...]

Nebular Model of the Solar system

According to nebular model of the formation of the universe, the formation of the solar system is inherent to the formation of the stars and planetary disks.

Life in This Universe

It suggests that the possibility of life existing in other parts of the Universe is very low. Concluding that Earth is the only place in the Universe that supports life is erroneous.

History of the Telescope

This was not to be end of the journey in terms of improvement of the telescope. This kind of telescope solved the problem of chromatic aberration that was witnessed in the Keplerian telescopes.

Planets around stars

This information may allow to get to know whether it is possible to live at the planet or not, thus, the search for the planets similar to the Earth is possible. In other words, the [...]

Searching for Planetary Habitability

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.

Prospects of finding life in Mars

Astronomers have found that the length of a typical day in Mars is similar to that of the Earth. This means that there is no water existed on the surface of Mars.

Effects of Earth Motions

At different times of the year, the sun appears at different locations at the same time of the day. As a result, at sun rise an observer in the North Pole positions the sun to [...]

Misconception about the Sun

The sun is still in the same place in the sky, but the thickness of the clouds prevent the light from getting through them.

Encounter with Mercury

The density of this planet is almost the same to that of the earth and this explains why the winds carried the eroded soils.

Voyager Interstellar Mission

They include the first crossings of the TS, the first observations of the HSH, verification of asymmetries in the heliospheric shape, and the lack of the expected ACR acceleration at the TS.

Space Debris Problem

They cause collision dangers to other satellites and spacecrafts in the orbit and have the potential of increasing debris in space, which would increase the likelihood of collision and hence affect the normal operation of [...]

The Lowell Observatory

The institution, which is based in United States, has enabled astronomers to conduct major research on a wide range of astrophysical systems and the solar system.

Space Hazards as a Challenge to Astronauts

Astronauts are best positioned to operate in space since they have studied the universe and understand the risks and the benefits of the operations in space.

History of Pluto Exploration

It means that there is more to this planet aside from its being the outermost planet in the solar system. It was not only the 2oth century that an astronomer was able to discover the [...]

The Nebula cloud theory

They also concur that the best theory behind the formation of the solar system and the nebula model is the Nebula hypothesis.

Conflict between Aristotle and Copernicus

Copernicus continued his research and developed a new model of the universe which contradicted Aristotle's paradigm since the Earth was not the centre, but one of the planets moving around the Sun.

The Copernican Revolution

The Copernican revolution was defined as the change of belief from the Ptolemaic theory to the Copernican theory. The revolution was dependent on two decisions namely the denunciation of the Ptolemaic theory as untrue, and [...]

Is there evidence of life on martian meteorites?

Until then, researchers need to do the hard work of verifying or refuting existing theories and counterchecking any new evidence that could be contained in the Martian meteorites According to Buseck et al, Nanocrystals of [...]

Comets and asteroids

Atkinson argues that in the event of a collision with the earth, a blanket of dust could cover the earth, a near darkness situation could ensue, normal plant and animal chemical activities could stop due [...]

History of Astronomy

The Greek astronomy was influenced by the Egyptian and Babylonian astronomy that relied on astrology leading to the medieval western European view of astronomy and the renaissance period to the modern view of astronomy.

Large-scale universe to Milky Way

The advent of the modern cosmology is based on extensive evidence supported by full observations and theories."The cosmology of today attempt to explain the commencement, the current state and eventual end of the universe".

20/20 Hindsight

The best way of doing this is through enabling of the funds drafted in the forwarded budget and transferring the monitoring responsibilities to watchdogs and commissions that consist of a panel of specialists in the [...]

India’s Mission to Mars

The writer of this paper argues that India's mission to Mars indicates a lack of prioritization by the national government and therefore, a waste of resources.

The Planet Mars Information

The bigger portion of the planet is covered with Borealis Basin that is one of the remarkable features on the surface of Mars.

The Life Cycle of a Star

The brightness of a star is directly related to its mass since the greater the mass, the greater the amount of hydrogen available for use in the process of nuclear fusion.

Space Exploration Canada

Advances in space exploration, particularly the creation of the International Space Station, has enhanced the observation of the globe to provide better comprehension and solutions to environmental matters on earth.

Heavenly Bodies

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. It is important [...]

What We Know About Planets

One of the most effective strategies used to spot an exoplanet is detecting the manner in which the gravitational force of the planet acts on the parent star. Astronauts are currently using the velocity of [...]

Supernova Stars

When the white dwarf starts accumulating in mass as a result of binary companion, the core of the white dwarf reaches the temperature that is just enough to facilitate carbon fusion.

Europa Exploration: Exobiology

The human race has been interested in the origin and possibility of life on the other planets and moons. The core belief of exobiologists is that all matter in the solar system has a common [...]

MAVEN Mission on Mars

Factors related to the degree of radiation, the temperature of the planet, the level of ion dispersion within the atmosphere and the ability of solar wind to affect the Martian surface are all factors that [...]

“Fertile Frontiers” by Nadia Drake

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 water present, there is evidence of chemical [...]

Definition of Meteor Shower

The Solar system is made up of the Sun and the nine Planets which revolve around the Sun. The occurrence of a meteor shower is predictable.

Missions to Mars

In this dual mission to Mars, Mariner 6 and 7 enabled the scientists to analyze the surface of Mars and the Martian atmosphere through the remote sensors in the spacecrafts besides the Mariners taking and [...]

Definition of the Kepler Mission in Astronomy

Ask the astronauts and the scientists who are familiar with the brutal conditions of outer space and they would tell you that it is impossible to sustain life outside the friendly atmosphere of the earth.

Current mission in the solar system

An additional objective of the mission was to increase the knowledge of the sun's composition. An additional discovery of this mission was that the sun consists of burning gases.

Foundations of Earth Science

The ozone is a type of a gas that protects the earth or the harmful rays of the sun like the ultraviolet rays.
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