Mystery cold spot on Jupiter's moon Europa could be 'almost anything'
点击量： 时间：2019-03-04 06:05:01
NASA/JPL - Caltech/Seti Institute By Leah Crane THERE is a weird cold spot on Europa, and nobody knows what it is. The first full thermal map of Jupiter’s icy moon has thrown up a spot about 300 kilometres across that seems colder than its surroundings, and we don’t have enough data on the area to figure out why. Samantha Trumbo at the California Institute of Technology and her colleagues used the Atacama Large Millimeter Array, a set of more than 60 radio telescopes in Chile,