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Hi Sammi Scientist are VERY sure that they have found planets around other stars...to date about 500 extra-solar planets (or exoplanets) have been confirmed. Most of these exoplanet detections are indirect, that is, evidence of the planet comes from its effect on its star. However, for two star-exoplanet...

Dear Kristen, I, for one, believe life exists on planets around stars beyond our solar system. There is a high probability that life exists on planets around other stars in our own Milky Way galaxy. But the lifeforms may not be intelligent or even close. It might only be like bacteria or plankton or...

Dear Smantha, I've got a friend who is trying to photograph planets around other stars...Here's his answer to your question: > How many stars in our galaxy may be like our own sun, and could many of them have planets around them? Mais oui! About a billion, and absolutely yes. Seen one star...