保护地球，探索宇宙，发现文明
2022年2月19日 Peculiar Galaxies of Arp 273 Image Credit & Copyright: Jason Guenzel Explanation: The spiky stars in the foreground of this backyard telescopic frame are well within our own Milky Way Galaxy. But the two eye-catching galaxies lie far beyond the Milky Way, at a distance of over 300 million light-years. Their distorted appearance is due to grav...
2021年12月18日 Stephan’s Quintet Image Credit: NASA, ESA, Hubble Legacy Archive; Processing & Copyright: Bernard Miller Explanation: The first identified compact galaxy group, Stephan’s Quintet is featured in this eye-catching image constructed with data drawn from the extensive Hubble Legacy Archive. About 300 million light-years away, only fo...
2021年9月2日 M51: The Whirlpool Galaxy Image Credit & Copyright: Josep Drudis Explanation: Find the Big Dipper and follow the handle away from the dipper’s bowl until you get to the last bright star. Then, just slide your telescope a little south and west and you’ll come upon this stunning pair of interacting galaxies, the 51st entry in Charles...
2020年10月15日 Galaxies in Pegasus Image Credit & Copyright: Robert Eder Explanation: This sharp telescopic view reveals galaxies scattered beyond the stars of the Milky Way, at the northern boundary of the high-flying constellation Pegasus. Prominent at the upper right is NGC 7331. A mere 50 million light-years away, the large spiral is one of the brighte...