2019年4月8日 · This stunning image, snapped using the Wide Field Planetary Camera on NASA’s Hubble Space Telescope, shows a striking, mysterious dark “X” silhouetted across a galaxy’s …

In September 2020, the detection by the Chandra X-ray Observatory [38] of a candidate exoplanet, named M51-ULS-1b, orbiting the high-mass X-ray binary M51-ULS-1 in this galaxy …

This image of the core of the nearby spiral galaxy M51, taken with the Wide Field Planetary camera (in PC mode) on NASA's Hubble Space Telescope, shows a striking , dark "X" …

2024年8月25日 · The Whirlpool Galaxy, M51, is a spiral galaxy located 31 million light-years away. It highlights the attributes of a typical spiral galaxy, including graceful, curving arms, …

2010年1月1日 · NASA's Hubble Space Telescope has provided astronomers with what may be their first direct view of an immense ring of dust which fuels a massive black hole at the heart …

This image of the core of the nearby spiral galaxy M51, taken with the Wide Field Planetary camera (in PC mode) on NASA's Hubble Space Telescope, shows a striking, dark "X" …

2010年2月1日 · Over 60,000 light-years across, M51's spiral arms and dust lanes clearly sweep in front of its companion galaxy, NGC 5195. Image data from the Hubble's Advanced Camera for …

1992年6月8日 · This image of the core of the nearby spiral galaxy M51, taken with the Wide Field Planetary camera (in PC mode) on NASA's Hubble Space Telescope, shows a striking , dark …

2015年6月3日 · Messier 51 (M51), better known as the Whirlpool Galaxy, is a famous grand-design spiral galaxy located in the constellation Canes Venatici. The Whirlpool Galaxy has an …

涡状星系（Whirlpool Galaxy），梅西叶编号为M51，亦称为51a、M51a或者NGC 5194，位于北天的猎犬座 (Canes Venatici)里的一个庞大的螺旋星系，距离地球大约2300万光年。 它是天空中 …