Term
|
Definition
| atmospheres are made of hydrogen, methane and helium |
|
|
Term
|
Definition
| The length is 42,000 miles long |
|
|
Term
|
Definition
| the sister planet to Pluto |
|
|
Term
|
Definition
| second largest solar system satellite |
|
|
Term
|
Definition
| water once flowed on the surface |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| the planet with an 89 day year |
|
|
Term
|
Definition
| Earth's closest neighbor in space |
|
|
Term
|
Definition
| The Milky Way's sister galaxy |
|
|
Term
|
Definition
| axis stands upright to the nearest 90° |
|
|
Term
|
Definition
| made up of hydrogen and helium |
|
|
Term
|
Definition
| Has a day of 243 Earth years |
|
|
Term
|
Definition
| oldest planet in the solar system |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| one revolution every 76 years |
|
|
Term
|
Definition
| Shuttle that exploded on take off |
|
|
Term
|
Definition
| Shuttle that exploded on re-entry |
|
|
Term
|
Definition
|
|
