Resumen de Alien mountains can appear in planet shadows
There are stunning mountain ranges on Earth, Mars and even Pluto. Moiya McTier at Columbia University in New York says that by analyzing the dip in a stars light as a planet passes in front of it, they could discern details about the planet's landscape. She presented her research at a meeting of the American Astronomical Society on 11 January. The rocky planets in our solar system are not perfectly round: there are mountains, canyons and craters. McTier used US Geological Survey maps of these planets and the moon to determine what their light curve around the sun would look like
