SOREANG JOURNAL – Asteroids and comets formed about 4.6 billion years ago after giant clouds of gas and dust collapsed and condensed to create the sun.
Leftover debris orbiting the sun coalesced into planets, moons, and other objects. Asteroids and comets are remnants of this process.
Here’s what you need to know about the differences, where they come from, and whether they pose a serious threat to Earth.
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What are Asteroids?
Reporting from National Geographic, Asteroids are basically chunks of rock measuring a few feet to hundreds of miles in diameter. NASA has identified more than one million asteroids, and more than 150 of them have moons of their own.
In 2022, astronomers published evidence that the asteroid Elektra has as many as three chunks of rock orbiting it. This makes it the first known quadruple asteroid.
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