A Giant Rock Racing Around the Sun
USASat Oct 25 2025
A huge asteroid, as big as a skyscraper, is zooming around our sun. It's called 2025 SC79. This space rock is one of the fastest in our solar system. It completes a full trip around the sun in just 128 days. That's super quick for an asteroid!
This asteroid is special because it's one of only two known objects that orbit inside Venus's path. As it travels, it even crosses Mercury's orbit. The asteroid is currently behind the sun, so we can't see it with our telescopes for a few months.
Astronomers are studying these fast-moving asteroids to learn more about our solar system. They want to understand how these rocks ended up in such close orbits. This knowledge could help us protect Earth from any potential threats.
The discovery was made using powerful telescopes. These telescopes are used to find asteroids that could be dangerous to our planet. The work is supported by NASA and uses advanced technology to spot these "planet killer" asteroids.
This isn't the first time astronomers have found a speedy asteroid. In 2021, the same team discovered another asteroid that orbits the sun even faster. That one takes 133 days to complete its trip.
https://localnews.ai/article/a-giant-rock-racing-around-the-sun-9290743
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questions
How do astronomers determine the size of an asteroid observed from such a great distance?
What advancements in telescope technology have made it possible to detect and track asteroids like 2025 SC79?
If this asteroid were to become visible again, should we prepare a welcome party or a deflection plan?
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