How To Find Planets Around Distant Stars
| Education : Physics Gravity is the key force that enables us to find planets around distant stars. This is because the planets of other stellar systems attract their Sun very slightly as they orbit (more or less depending on how massive and distant from their Sun they are). This results in a slight wobble of the Sun, which can be detected by those tracking the star over time. When a wobble is detected, scientists can deduce that it must be a planetary system.
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