| Question |
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| Answer |
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| Scientists believe that universe will |
expand forever |
| What do the pattern of lines on a star's absortion spectrum represent? |
Some of the elements in the star's atmosphere |
| What type of star has used up all of its hydrogen and is the leftover center of an older star? |
White Dwarf |
| What is made up of a large cloud of gas and dust? |
Neutron Star |
| A star's apparent shift in position is called |
Parallax |
| What type of galaxy is the Milky Way? |
Spiral Galaxy |
| What is cosmology? |
The study of the universe's origin, structure, and future |
| What are three types of galaxies orginally identified by Edwin Hubble? |
spiral, elliptical, irregular |
| Explain what scientists think will happen to the universe? |
The universe will continue to expand.It will become a cold dark wasteland. |
| The study of the orgin, structure,and future of the universe |
Cosmology |
| The theory that states the universe began with a huge explosion |
The big bang theory |
| radiation left over from the big bang that fills all of space |
cosmic backgound radiation |
| If a certain star displays a large parallax, what could you say about the star's distance from earth? |
Essay question |
| If you traced that paths of the stars in the night sky over a few hours, they would all appear to circle around the North Star. Why? |
Essay question |
| Explain how looking through a telescope is like looking back in time? |
Essay Question |