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When is a planet not a planet? When it’s actually a star
When is a planet not a planet? When it’s actually a star,In the time since the first planets orbiting another star — called exoplanets — were discovered in the early 1990s, astronomers have found a lot more, and the number has now passed the 5,000 mark.

When is a planet not a planet? When it’s actually a star

In the time since the first planets orbiting another star — called exoplanets — were discovered in the early 1990s, astronomers have found a lot more, and the number has now passed the 5,000 mark.