1. The Sun gives off

	Visible radiation	Ultraviolet radiation	X-ray radiation	Infrared radiation	All of the above
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2. The Sun's emission peaks has its highest value in which part of the spectrum?

	Visible	Ultraviolet	X-ray	Infrared
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3. When the Moon falls into the Earth's shadow, we call this

	The end of the world	A lunar eclipse	A solar eclipse	Drafting
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4. The planet Mars has

	Ice at its poles	A breathable atmosphere	Shallow oceans	Known microbial life
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5. The most recent mission to arrive at planet Saturn is

	Voyager 1	Voyager 2	Galile	Cassini
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6. Planet Jupiter can be observed

	Only with a space based telescope	With only the human eye	With a ground based telescope	(b) and (c)
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7. Comets become most visible

	When they enter the solar system	When they get close to the sun	When they approach the planet Jupiter	When they explode as supernova Close to the Sun
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8. The visual color of a star (blue or red, for example) tells us something about its

	Size	Distance	Temperature	(a) and (c)
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9. The stars of the Pleiades are located in the constellation

	Taurus	Orion	Gemini	Libra
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10. Which company uses the stars of the Pleiades in its corporate logo?

	Colgate-Palmolive	Subaru	Ball Aerospace	Orion Pictures
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11. Our Milky Way galaxy, a collection of stars, has a center that is about how far from us

	10 light years	1000 light years	25,000 light years	One million light years
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12. The Orion Nebula is a region where

	Stars are forming	Planetary systems are forming	Stars are blowing up	(a) and (b)
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13. The Horsehead Nebula (which looks like a dark region against a bright background), is composed of

	Densely packed stars	Black holes	A cloud of molecular material	Unknown substances
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14. Planetary nebulas (like the Helix Nebula) are

	Gas around dying star the size of the Sun	Planetary systems forming	Gas around stars that have just been born	Not found in the Milky Way
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15. The Crab nebula is an example of a supernova remnant. This explosion was recorded by Arab and Chinese astronomers in

	1054 CE	350 CE	4 BCE	2000 BCE
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16. The Chandra X-Ray telescope is an orbiting telescope that can make images with a sharpness (resolution) of about 0.5 arcseconds. That is

	About the size of the full moon	About the size of planet like Jupiter seen through a telescope	Smaller than ground based telescopes can resolve without adaptive optics	Smaller than any other telescope can resolve, ground or space based
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17. The Large Magellanic Cloud (LMC) is

	A small companion galaxy to the Milky Way, composed of many young stars	A star forming region in the Milky Way	A nearby galaxy, about the size of the Milky Way	Only visible from the Northern Hemisphere
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18. The Andromeda Galaxy is

	The most distant galaxy visible from Earth with a telescope	The largest galaxy visible to the unaided human eye	Much smaller than the Milky Way	Not a galaxy at all
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19. The Antennae Galaxies are two galaxies that are in the process of colliding and merging. In a few billion years, this fate awaits our Milky Way Galaxy and what other galaxy?

	The Sombrero Galaxy	Messier 81	The Andromeda Galaxy	Messier 101
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20. The remnant emission from the Big Bang is known as the

	Cosmic Dust	Karmic Substance	Cosmic Microwave Background	Zodiacal light
						Answer Here!