| Question |
Answer |
| The color of a star depends on its |
Temperature |
| What can a scientists learn about a star from its spectrum? |
Its composition and temperature |
| Why do black lines appear on an absorption spectrum? |
They show where less light is abosorbed by a star's atmosphere |
| What color are the hottest stars? |
Blue |
| The brightness of a star at a distance of 32.6 light-years from Earth. |
Absolute magnitude |
| The brightness of a star as it appears to an observer on Earth. |
Apparent Magnitude |
| an apparent shift in an object's position when viewed from different locations |
Parallax |
| The distance that light travels in one year. |
light-year |
| The band of color produced when white light passes through a prism |
spectrum |
| The H-R diagram shows the relationship of a star's surface temperature and its |
absolute resolution |
| What objects are formed from the materials in the core of a supernova? |
Black holes and neutron stars |
| What is the correct sequence of a star's life cycle? |
main sequence, red giant, and white dwarf |
| How do new stars form? |
From the material of old stars. |
| A small, hot, dim star that is the leftover center of an old star |
white dwarf |
| a gigantic explosion that causes the death of a large star |
supernova |
| a star in which the electrons and protons have become neurons |
neutron star |
| a star that expands and cools once it runs out of hydrogen |
red giant |
| a spinning neutron star that emits rapid pulses of radio and optical energy |
pulsar |
| a massive and dense object from which even light cannot escape its gravity |
black hole |
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