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AN INTERSTELLAR space rock zooming through our solar system may be the oldest comet ever seen by humans, according to ...
Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .
A large asteroid will pass close to Earth in July 2025. NASA and ISRO are closely monitoring its trajectory. The asteroid, ...
We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.