Cosmic Cannon; Mars Dust Storm Forecast; Dione’s Subsurface Ocean
Astronomers Find a Cosmic Cannon Astronomers have spotted super-hot blobs of plasma blasting into space like cannonballs near a dying red giant star, some 1,200 light years away. Using the Hubble Space Telescope to make their discovery, the scientists found that the balls of hot gas are flying so fast a trip from the Earth […]