标签： 恒星

资讯

NASA的韦伯拍摄到年轻恒星的超音速外流

这张来自NASA詹姆斯·韦伯太空望远镜的HH 211的照片显示了一颗0级原恒星的外流，这颗原恒星是一颗类似太阳的年前恒星，当时它的年龄不超过几万年，质量只有现在太阳的8%（它最终会成长为一颗像太阳一样的恒星）。

NASA·每日一图

哈勃望远镜发现嵌入银河系内部的闪光球状星团

This colorful image of the globular star cluster Terzan 12 is a spectacular example of how dust in space affects starlight coming from background objects. A globular star cluster is a conglomeration of stars, arranged in a spheroidal shape. Stars in globular clusters are bound together by gravity, with a higher concentration of stars towards the center. The ...

NASA·每日一图

哈勃望远镜瞥见一个闪烁的星系团

The glittering, glitzy contents of the globular cluster NGC 6652 sparkle in this star-studded image from the NASA/ESA Hubble Space Telescope. The core of the cluster is suffused with the pale blue light of countless stars, and a handful of particularly bright foreground stars are adorned with crisscrossing diffraction spikes. NGC 6652 lies in our own Milky W...

天文·每日一图

狮子CW恒星周围的壳层与光弧

2023年7月17日 Shells and Arcs around Star CW Leonis Image Credit: ESA, NASA, Hubble, T. Ueta (U. Denver), H. Kim (KASI) Explanation: What’s happening around this star? No one is sure. CW Leonis is the closest carbon star, a star that appears orange because of atmospheric carbon dispersed from interior nuclear fusion. But CW Leonis also appears engulfed in...

资讯

NASA的罗曼和ESA的欧几里得将联手研究暗能量

一台名为欧几里得的新太空望远镜将于7月发射，这是ESA在美国宇航局的资助下完成的一项任务，旨在探索宇宙膨胀加速的原因，即暗能量。到2027年5月，NASA的南希·格雷斯·罗曼太空望远镜将与欧几里得一起，以前所未有的方式探索这个谜题。