Astronomy Essay Examples and Topics

171 samples

A Trip to Mars: Mass Facts

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.
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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.
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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 [...]
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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.
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The Importance of the Moon

The impact sent the Earth spinning and the part of the Earth's crust that was disengaged from the impact began circling the Earth much in the same way Saturn's rings revolve around that planet.
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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.
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  • Words: 1858

Planet Jupiter Facts and Information

In terms of size, it is the largest of all the planets and it is number five from the sun."The diameter of Jupiter is 142984 kilometers and its density is 1.
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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.
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  • Words: 1362

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 [...]
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The Origins of the Solar System

Another interesting topic that should be taken note of is the origin of the Earth itself for just as there have been numerous theories as to the origin of the solar system there have been [...]
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  • Words: 2469

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.
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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 [...]
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  • Words: 1667

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.
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  • Words: 654

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 [...]
  • Pages: 19
  • Words: 5348

Collision in Two Dimensions: The Theory’s Review

This report verifies the theory behind collision in two dimensions which is believed to obey the laws of conservation of momentum. E of elastic collision after collision Table D of the final K.
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  • Words: 1911

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 [...]
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Different Types of Galaxies: Astronomy

With the discovery of other galaxies, Hubble began to observe the properties of these galaxies, noting the similarities and the differences. The components of both the spiral galaxies and the elliptical galaxies are held together [...]
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Astronomy and Astrology Comparison

People often confuse astronomy and astrology, as both words sound similar and deal with many of the same topics. Meanwhile, astronomy remains a proper and highly useful science that enabled achievements such as the moon [...]
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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.
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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.
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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.
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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 [...]
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The Big Bang Theory: True or Not

The popular theory that attempts to explain the origin and evolution of the universe is the famous Big Bang theory. In a scenario whereby the density of the matter is equivalent to that of the [...]
  • Pages: 9
  • Words: 2327

Theories of Galaxy Formation and Evolution

How the first galaxies were formed and the way that they have evolved and the physical processes that have resulted to diverse structures in the adjacent galaxies form the basis of the theories that attempt [...]
  • Pages: 9
  • Words: 2474

Copernican Model of the Solar System

Copernicus was able to prove that the sun and not the earth was the center of the solar system but held unto the assumption of circular motion. Ptolemy' model assumed that, the earth and not [...]
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  • Words: 1383

How the Universe Works

The Galaxy we have the pleasure to live in is called The Milky Way and refers to a type of spiral galaxy. Material is shaped in the form close to a ball and constantly undergoes [...]
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  • Words: 1207

The Scientific Revolution: From Astronomy to Physics

The Scientific Revolution, which occurred roughly between the 15th and 16th centuries, refers to a period of innovations in science and technology, the entirety of which had originated from the notion that the Earth is [...]
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“In the Beginning” by Cardinal Joseph

He explains that the very first chapters of Genesis are not purposed to educate humanity about the scientific background of the process of creation, its exact chronological periods, any possible details on the astronomic building [...]
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The Mysteries of the Universe: The Galaxies

The neighboring galaxy is the Andromeda Galaxy that together with the Milky Way forms a binary system of giant spiral galaxies. Moreover, it is easier to get a picture of the far galaxy than our [...]
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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.
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Mesarthim Star Key Facts & Summary

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

The speed for a manned interstellar travel of a few decades to even the nearest star exceeds by far the speed of the current propulsion methods and according to the square law, millions of times [...]
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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 [...]
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  • Words: 562

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 [...]
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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.
  • Pages: 9
  • Words: 2708

Astronomy: Totality Touches the Moon

The eclipse occurred at 3:02:17AM EST when the moon entered the earth's penumbra, while the partial eclipse happened at 4:09:12 AM when the moon touched the earth's umbra.
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The Milky Way and the Expanding Universe

The other characteristic of the milky way that qualifies it to be a spiral galaxy; is the distinctiveness of the bulge when the milky way is viewed from the side.
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Observing Features on the Sun

Select one of the images in the soft x-ray. Notice that there are two images taken for each day, one in the soft x-ray and one in white light.
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  • Words: 902

Observing the Dynamic Giant Planets

Most of the people, however, believe that the phenomenon is related to alien civilization. On the other hand, there is an opinion that UFO sightings are considered to be misidentified natural objects.
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Aspects of Constellations and Stars

The critical point is that the key criterion for identifying a group of stars as a constellation is the shape observable from the Earth.
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Astronomy: Crash Course About Telescopes

While the human pupil collects a small amount of light, lenses or mirrors used in telescopes can collect, redirect, and focus light to make even the dimmest objects visible.
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The Changing Scientific Discoveries

Ancient astronomers believed that the earth was the center of universe and the sun moved through the sky. The earth is thought to be stationery at the center of universe and the ethereal objects moving [...]
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Infrared Imaging Sensors in Astronomy

However, further developments have been made by the National Aeronautics and Space Administration leading to the development of unique sensors and detectors for application in wide astronomical scopes.
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  • Words: 1406

Differences between Terrestrial and Jovian Planets

Surprisingly though is the ironic comparison of the relative densities of the Jovian and Terrestrial planets, with the densities of the Jovian planets being relatively lower than those of the terrestrial planets.
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Solar Energy: Review and Analysis

Available literature shows that most commercial CSP plants in Spain and the United States using synthetic oil as the transfer fluid and molten salt as the thermal energy storage technology are able to achieve a [...]
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  • Words: 855

Infinite and Non-Expanding Universe

However, the fact that the majority of people believe in the Big Bang theory does not make it absolute the only way to knowing the truth about the universe and its nature.
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Origin of the Universe

It is one of the most complex issues that can be pondered, and every religion gives this phenomenon its own consideration, as the creation of the Universe marks the beginning of life.
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Liquid Lake on Mars

As a matter of fact, it is also an interesting article because it revolves around the probability of having a new form of life in the Solar System outside the Earth.
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Solar Calendar and Its Different Types

Then there is the Julian solar calendar, the Thai solar calendar, the Iranian solar calendar, the Baha'i solar calendar, and the Hindu solar calendar.
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Heliocentrism Model of the Universe

The Heliocentric model opposed all this because it held that that the sun is at the centre of the universe and that the earth, other planets and stars revolved around it.
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Astronomy: New Open Planets

Among the new astronomical information is the discovery of additional planets that look like planet Saturn and planet Jupiter as well as the discovery of extrasolar planets.
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“Mars the Abode of Life” by Percival Lowell

The main arguments of the book revolve around the genesis of the world, the evolution of life, the dominance of the sun, Mars and the future of the earth, the canals and oases of Mars [...]
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Building a Space Launching Pad in Australia Advantages

Such programs as operation of satellite and its services, processing of signal and space data, space instrumentation, designing of ground equipment, tracking of space debris and GPS usage are useful in Australia just as it [...]
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  • Words: 556

Extrasolar Planets and Search for Life

Scientists can construct a scale model of the restricted solar system, consisting only of the Sun and the nine planets, to make it easier to grasp the scale of the system.
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Mars: The Exploration of the Red Planet

Mars, the fourth planet in order of increasing distance from the sun and the first beyond the earth's orbit. Following several crewless flybys and orbiters launched by the United States and by the Soviet Union, [...]
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The Status of Pluto Needs to Remain as a Planet

It was rotation of the solar nebulae that prevented the collapse of all the matter of the nebulae into the protosun and the matter within the solar nebulae that did not collapse into the protosun [...]
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Cosmology and Astronomical Observation

Although the proton, neutron, electron, and possibly the neutrino are the most important of the elementary particles in the present universe, there are many others.
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  • Words: 1964

Near-Earth Objects and Planetary Defences

A major watershed in understanding was crossed in 1980 with the suggestion that an extraterrestrial impact was responsible for the massive extinction of life known to have occurred about 65 million years of age at [...]
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The Search for Life on Titan and Other Planets

The evidence of methane-based organisms could be found from testing the ground and the bodies of liquid surrounding the cryovolcano, whereas the evidence of water-based life would likely be found in the frozen remains of [...]
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The Search for Other Solar Systems

Updates to Exoplanets.org" provides information about the number of exoplanets currently discovered, the means of discovering them, and miscellaneous information that was extracted during observations.
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Life on Other Planets

The researchers have analyzed the microscopic life that exists in areas of extreme heat, where water supply exists in the form of salt lakes.
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Astronomy and Mystery Solar System

The mesosphere layer (17 Km The greenhouse effect is a warming effect due to the presence of greenhouse gasses in the atmosphere that includes carbon dioxide.
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Planet Mercury and Its Exploration

I would like to learn more about a planet that is the closest to the sun, the history of its discovery as well as its peculiarities.
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General Features of Jupiter

86 years to complete one orbit The distance of Jupiter from the earth taken on 4th June 2013 at 0655 hours GMT is 4.6 AU. The distance of Jupiter from the sun as of now [...]
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Astronomical Research: Discovering New Planets

The process of confirmation was performed by applying the statistical analysis of the Kepler space telescope's planet candidate catalog, using the data obtained by the Kepler Observatory, a spacecraft on the Earth's orbit intended for [...]
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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.
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George Mason University Observatory

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 [...]
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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.
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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.
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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 [...]
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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.
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Gravitational Waves: Theory, Detection, and Prospects

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".
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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 [...]
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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, [...]
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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.
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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 [...]
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  • Words: 1396

CubeSat Mission Process Flow

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 [...]
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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.
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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, [...]
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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 [...]
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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.
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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.
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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 [...]
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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".
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Stellar Remnants: White Dwarfs and Neutron Stars

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 [...]
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  • Words: 649

Solar Storms’ Effects on the New York City

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 [...]
  • Pages: 2
  • Words: 553
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