英仙GK: 新星与行星状星云
图像中有一个暗淡的星云垂直延伸。中心是一个红色包层，周围环绕着漫射蓝色辐射。中心是一个明亮的、接近圆形的色彩斑斓的星云。有关更多详细信息，请参阅说明。
标签： nova
来自蛇夫RS白矮星的新星爆发
2021年8月22日 Explosions from White Dwarf Star RS Oph Illustration Credit & Copyright: David A. Hardy & PPARC Explanation: Spectacular explosions keep occurring in the binary star system named RS Ophiuchi. Every 20 years or so, the red giant star dumps enough hydrogen gas onto its companion white dwarf star to set off a brilliant thermonuclear explosi...
英仙座流星、红色精灵及蛇夫RS新星
2021年8月16日 Perseid Meteor, Red Sprites, and Nova RS Ophiuchus Image Credit & Copyright: Daniel Korona Explanation: This was an unusual sky. It wasn’t unusual because of the central band the Milky Way Galaxy, visible along the image left. Most dark skies show part of the Milky Way. It wasn’t unusual because of the bright meteor visible on the...
仙后座的明亮新星
2021年06月07日 A Bright Nova in Cassiopeia Image Credit & Copyright: Chuck Ayoub Explanation: What’s that new spot of light in Cassiopeia? A nova. Although novas occur frequently throughout the universe, this nova, known as Nova Cas 2021 or V1405 Cas, became so unusually bright in the skies of Earth last month that it was visible to the unaided eye. Nova C...