Asteroids - Статья по прочим предметам
Тезисы:
- The darkest asteroids have high quantities of hydrated minerals and carbon.
- There are two hypotheses about how most of the asteroids formed.
- The most dangerous asteroids are extremely rare, according to NASA.
- Asteroids that large strike Earth only once every 1,000 centuries on average, NASA officials say.
- Quick quiz: How many planets orbit our Sun?
- If you said nine, you're shy by several thousand.
- Most, but not all, orbit the sun in an asteroid belt between Mars and Jupiter.
- Otherwise, they might have joined up to form "real" planets.
- Over time, many of them collided with others and broke apart.
- When an asteroid, or a part of it, crashes into Earth, it's called a meteorite.
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