6 little-known facts about asteroids
These space rocks are not big enough to be classified as planets, but they play an essential role in the life of the Universe. Let's find out something new with these important asteroid facts.
Scientists have already answered a lot of questions about space. Though many astronomy mysteries remain unsolved, some space objects have been under observation for centuries already.
Quick basic facts about asteroids, which are known to men for many years:
- they orbit the Sun;
- they can be several feet or hundreds of miles wide;
- they are also called minor planets.
#1 The first asteroid was discovered more than 200 years ago
Another unique thing about Ceres is that it's perfectly round and was shaped so by its own gravity.
#2 Stunning asteroid belt facts:
These four objects make up half of the belt's entire mass.
#3 If a comet loses all of its ice, it becomes an asteroid
If you think you know enough to answer several trivia questions about space, try this NASA trivia quiz.
#4 Asteroids can have their own moons
It's one of the coolest asteroid facts. Interestingly, an asteroid doesn't need to be extra large to attract another object and make it its moon. For example, a 15-mile asteroid can have a moon which is only 1 mile wide.
#5 Asteroid 2020
This object will safely pass our planet on April 29, 2020. Even amateur astronomers with small telescopes will be able to see Asteroid 2020!
If you enjoy asteroid facts, you will love these 7 absolutely spectacular photos taken in space.
#6 One 15-feet (4.5 m) asteroid enters the Earth's atmosphere at least once a year
These rocks never reach the ground: they look like fireballs, but then quickly burn up.
Did these facts about asteroids surprise you? Which one was the most amusing?
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