There's a celestial body 400 light years away that looks a lot like Saturn, except its rings are so large that they shouldn't be able to exist. Its official title is J1407b, but it's been informally dubbed Saturn on steroids.
Its rings are hundreds of times larger than those of Saturn.
Learn more about these strange non-stars.
How do astronomers find planets that are so far away?
The way we discovered the first planets outside our solar system was with the Doppler Technique. 00:25
Actually trying to see a planet would be like standing on Hawaii and looking at flame flickering near a lighthouse in California. 02:26
Every 30 minutes, Kepler takes a measurement of the brightnesses of 160,000 stars. 03:41