| A | B |
|---|
| a constellation is | a group of stars that form a pattern |
| Polaris is | the north star |
| the order of the planets from the sun is | Mercury, Venus, Earth , Mars, Jupiter, Saturn, Uranus, Neptune, Pluto |
| pieces of a comet that breaks off and enters our atmosphere | meteor |
| when pieces of a comet hit Earth they are called a | meteorite |
| a comet is a | dirty snowball made of ice and rock |
| how is a comets tail formed | the sun melts it and it gives off a gas |
| Mercury is compared to Earth's moon because | it is crater covered |
| Venus is truly the hottest planet because | of the Greenhouse Effect--clouds on Venus keep the heat and it can't get back out |
| Venus is considered Earth's twin because | it is about the same size |
| Mars is more like Earth than any other planet because | it has four seasons |
| what is the "Great Red Spot" on Jupiter? | a terrible storm |
| some interesting facts about Saturn | ice/rock rings, strong winds, has the most moons, is a gas giant |
| Why are Uranus and Neptune referred to as the ble-green giants | they have methane gas |
| Why is Pluto not always the furthest planet away from the sun? | Pluto's orbit is more elliptical than Neptune's and it passes up Neptune's orbit |
| ways stars can be different | brightness, temperature, size, and color |
| a spectroscope is | an instrument to study light given off by stars |
| a red star tells us it is | the coolest |
| a white star tells us it is | the hottest |
| a yellow star is | average in temperature |
| What is a nebula? | clouds of gas and dust |
| How is a star related to a nebula? | nebulas form stars, when a star dies the left over energy becomes part of a nebula |
| What is a prostar? | the beginnings of a new star |
| What is a black hole? | a collapsed star with a strong gravitational pull |
| What is a galaxy? | a huge collection of stars |
| What is our galaxy called? | Milky Way Galaxy |
