space
Kuvakäsikirjoitus Teksti
- CRASH
- Part of the gas and dust somehow collapsed causing it to compress .
- When enough material is collected at the center of the disk the sun was born . Then the sun collects all the materials by strong gravity.
- he sun left material then that falls to form larger and larger pieces creating the planetesimal . That's why we have planets, asteroids, comets and moons.
- .After a long time, the rocky pieces becomes solid and start to move around the sun.
- Only terrestrial planets like mercury, Venus, Earth, and Mars can survive close to the sun. These planet are made of silicate rocks metals.
- While the rocky planets was nearby the sun, the gascous and icy material was colected further away, they was call a gas giant planet. These gas giant plants a larger than the rocky planet.
Yli 30 miljoonaa kuvakäsikirjoitusta luotu