... It is a direction in space that is rich with impressive nebulas. ... Recycling NGC 5291 . ... Following an ancient galaxy-galaxy collision 200 million light-years from Earth, debris from a gas-rich galaxy, NGC 5291, was flung far into intergalactic space. ... Leonids and Friends . ... Leonid meteors rained down on planet Earth this week, the annual shower of dusty debris from the orbit of Comet 55P/Tempel-Tuttle. ... What's the closest active galaxy to planet Earth? ... A Sudden Jet on Comet 67P? . ...