保护地球，探索宇宙，发现文明
A starfield is shown with a big light bubble in the center. A bright star is toward the upper right in the translucent bubble. To some, the bubble may resemble a skull. Please see the explanation for more detailed information.
星空中央有一个明亮的大气泡。半透明的气泡右上方有一颗明亮的恒星。有些人觉得这个气泡像是一个骷髅。有关更多详细信息，请参阅说明。
See Explanation. Clicking on the picture will download the highest resolution version available.
请参阅说明。单击图片将下载可用的最高分辨率版本。
请参阅说明。单击图片将下载可用的最高分辨率版本。
2023年2月8日 Stellar Wind-Shaped Nebula RCW 58 Image Credit & Copyright: Mike Selby & Mark Hanson; Text: Natalia Lewandowska (SUNY Oswego) Explanation: Imagine traveling to a star about 100 times as massive as our Sun, a million times more luminous, and with 30 times the surface temperature. Such stars exist, and some are known as Wolf Rayet (WR) star...
2021年10月21日 SH2-308: The Dolphin-Head Nebula Image Credit & Copyright: Nik Szymanek Explanation: Blown by fast winds from a hot, massive star, this cosmic bubble is huge. Cataloged as Sharpless 2-308 it lies some 5,000 light-years away toward the constellation of the Big Dog (Canis Major) and covers slightly more of the sky than a Full Moon. That corres...
2021年06月17日 NGC 6888: The Crescent Nebula Image Credit & Copyright: Joe Navara, Glenn Clouder, Russell Discombe Explanation: NGC 6888, also known as the Crescent Nebula, is a about 25 light-years across blown by winds from its central, bright, massive star. A triumvirate of astroimagers ( Joe, Glenn, Russell) created this sharp portrait of the cosmic bu...
2021年05月06日 Windblown NGC 3199 Image Credit & Copyright: Mike Selby and Roberto Colombari Explanation: NGC 3199 lies about 12,000 light-years away, a glowing cosmic cloud in the nautical southern constellation of Carina. The nebula is about 75 light-years across in this narrowband, false-color view. Though the deep image reveals a more or less complete ...
2020 May 6 LDN 1471: A Windblown Star Cavity Image Credit: Hubble, NASA, ESA; Processing & License: Judy Schmidt Explanation: What is the cause of this unusual parabolic structure? This illuminated cavity, known as LDN 1471, was created by a newly forming star, seen as the bright source at the peak of the parabola. This protostar is experiencing a stella...
2020 March 8 Wolf-Rayet Star 124: Stellar Wind Machine Image Credit: Hubble Legacy Archive, NASA, ESA; Processing & License: Judy Schmidt Explanation: Some stars explode in slow motion. Rare, massive Wolf-Rayet stars are so tumultuous and hot that they are slowly disintegrating right before our telescopes. Glowing gas globs each typically over 30 times m...