Answers edited by Azhar A.
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In which constellation was the first black hole detected?
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What is the temperature of betelgeuse?
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Does the study of astrophysics include astrochemistry?
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How are masers and lasers similar?
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Is the Earth the only planet in the solar system known to have plate tectonics?
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How are elementary particles detected?
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How long do supernova remnants last?
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How does temperature affect the atmosphere and cause weather?
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How can nuclear reactions be used for in-space propulsion?
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What relationship exists between the speed of the galaxies moving apart and their initial distances from one another?
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What are some major characteristics of a pulsar?
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What does interferometric mean?
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Do stars rotate or revolve?
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Mars has an average surface temperature of about 200K. Pluto has an average surface temperature of about 40K. Which planet emits more energy per square meter of surface area per second? By a factor of how much?
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Is empty space a pure vacuum?
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How does nucleosynthesis work?
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A rocket ship leaves Earth's atmosphere its initial velocity is less than its final velocity. What is this an example of?
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How do x-rays help determine a celestial body's temperature?
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What do spectrographs do to light entering it?
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How does a rocket move through space? What are the forces responsible for moving the rocket?
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What is electromagnetic radiation and how does it relate to the electromagnetic spectrum?
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If the Moon moved farther away from Earth, what would happen to the gravitational force between Earth and the Moon?
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What is free fall in stellar terms?
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What is the temperature of Sirius?
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What causes a supernova?
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When a spinning star shrinks in radius, it speeds up. Why does this happen?
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What do neutrinos tell us about the sun?
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If the Earth orbited the Sun at twice its current distance, what impact would this have on the accuracy of our ground-based astrometry?
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How do you measure the parallax of a star?
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What is magnetic reconnection?
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How do astronomers use spectrographs?
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What are astroparticles?
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What types of objects in space emit x-rays? How are the x-rays detected?
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How does magnetohydrodynamics work?
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How did planetary nebulae get their name?
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What is proper motion?
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What causes gamma ray bursts?
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What is Quantum Mechanics and how is it related to time travel?
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What are gaseous planets composed of?
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What is astrometry used for?
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What are the properties of terrestrial and gaseous planets.?
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Does the following sentence have any adverbs? If so, where?:
Fran quickly toward the finish line.
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What makes dwarf stars so bright?
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How do you measure time in space?
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What are celestial mechanics?
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What are the layers of a star, and what does each layer do?
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When the ultraviolet light from hot stars in very distant galaxies finally reaches us, it arrives at Earth in what form?
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How do scientists look for black holes in space?
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What is the sun's interior composed of?
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What started the Big Bang? What was there before it? What is some evidence for it? Why do some people not agree?
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How are meteoroids related to asteroids and comets?
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What would stars be like if carbon had the smallest mass per nuclear particle?
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How does luminosity differ from the brightness of the same object as seen at the earth?
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Where is the heliosphere located on a star?
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Can a wormhole be used for fast interstellar travel?
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How are X-rays used in astrophysics and astronomy?
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How do gaseous planets form?
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Given the following, calculate the total power radiated by the Sun. Calculate the rms values of the electric and magnetic fields of by the Sun. What is the net force of sunlight on Saturn?
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How can gravitational waves affect earth?
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What is time?
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Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 539 km above the earth's surface, while that for satellite B is at a height of 876 km. How do you find the orbital speed for satellite A and satellite B?
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What was the first black hole candidate to be discovered?
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Question #bed34
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What are the open and closed big bang theories of the universe, the inflationary model, and difference between them?
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Why are magnetohydrodynamics studied in astrophysics?
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What advantage might there be in placing a telescope on the moon?
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Question #4311d
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What exists between a black hole's event horizon and its singularity?
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What are the units of a photometer?
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How does the interstellar medium obscure our view of most of the galaxy?
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