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Astronomy 13 & 14
Apologia Astronomy lessons 13 & 14 test
| Question | Answer |
|---|---|
| One of the most important stars is the North Star, also called _________________. | Polaris |
| The brightest star in the sky is _____________. | Sirius |
| When one star orbits another star, it is called a double star system. Another name for this is a _____________ ___________ _______________. | binary star system |
| As a star runs out of fuel and begins to die, it starts to collapse in on itself. Sometimes the star has a lot of mass which generates a lot of heat and causes the star to explode. This explosion is called a __________________. | supernova |
| If the core of a dying star is left behind and has a large mass, it will start to pull everything in with its gravity causing a _______________ _____________. | black hole |
| The "footprint" left behind by a supernova contains gases, dust and debris, and it is called a __________________. | nebula |
| __________________ ___________ can have changes in temperature and energy output over time. Thankfully, our Sun is not like this! | Variable stars |
| Stars can be categorized in three ways. Name these ways. | (1)Hot or cold, (2) Bright or dim, and (3) Big or small |
| The largest star we know about is named _______________. | Betelgeuse |
| What does the term "light year" mean? | It is the distance that light can travel in a year. |
| Earth is in a galaxy named the ____________ __________. | Milky Way |
| List the four types of galaxies. | (1) spiral, (2) elliptical, (3) lenticular and (4) irregular |
| __________________ is a religion in which people put their faith in the stars and check their "horoscopes" daily. | Astrology |
| Polaris is part of a group of stars called what? | The Little Dipper |
| What is astronautics? | The science of space flight |
| Russia launched the first rocket into space and it put the first satellite named _______________ in space. | Sputnik |
| Russia and the U.S. were in competition to travel to space. This was called the _______________ __________. | Space Race |
| In 1969, _________ _______________ was the first man to step on the moon. | Neil Armstrong |
| Which president decided that the U.S. should put a man on the moon? | John Kennedy |
| In space, astronauts experience no gravity which is called what? | zero gravity |
Created by:
amcollins
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