| 65 million years ago the impact of an asteroid is estimated to have had the power of 10 million H-Bombs. |
|  - rate |
| A 100-pound person on Earth would weigh 38 pounds on Mars. |
|  - rate |
| A car traveling 100 mph would take more than 29 million years to reach the nearest star. |
| - rate |
| Astronauts cannot burp in space. |
| - rate |
| Astronauts get taller when they are in space. |
| - rate |
| Coca-Cola was the first soft drink to be consumed in outer space. |
|  - rate |
| If you went out into space, you would explode before you suffocated because there's no air pressure. |
|  - rate |
| In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces! |
| - rate |
| Jupiter's moon Ganymede, is larger than the planet Mercury! |
|  - rate |
| More than 20 million meteoroids enter Earth's atmosphere every day. |
| - rate |
| Some asteroids have other asteroids orbiting them. |
| - rate |
| The earth travels through space at 660,000 miles per hour. |
| - rate |
| The heart of an astronaut actually gets smaller when in outer space. |
| - rate |
| The Hubble telescope is so powerful that it is like pointing a beam of light at a dime that is two miles away. |
| - rate |
