M51:哈勃的涡状星系影像
2022年6月13日 M51: The Whirlpool Galaxy from Hubble Image Credit: NASA, ESA, Hubble, HLA; Processing & Copyright: Bernard Miller Explanation: The Whirlpool Galaxy is a classic spiral galaxy. At only 30 million light years distant and fully 60 thousand light years across, M51, also known as NGC 519 […]