保护地球，探索宇宙，发现文明
2023年8月17日 A Cosmic Zoo in Cepheus Image Credit & Copyright: Yann Sainty Explanation: Sprawling emission nebulae IC 1396 and Sh2-129 mix glowing interstellar gas and dark dust clouds in this nearly 12 degree wide field of view toward the northern constellation Cepheus the King. Energized by its central star IC 1396 (left), is hundreds of light-years acr...
2022年10月12日 Ou4: The Giant Squid Nebula Image Credit & Copyright: Tommy Lease Explanation: A mysterious squid-like cosmic cloud, this nebula is very faint, but also very large in planet Earth’s sky. In the image, composed with 30 hours of narrowband image data, it spans nearly three full moons toward the royal constellation Cepheus. Discovered in ...
2021年7月23日 Elephant, Bat, and Squid Image Credit & Copyright: Patrick Hsieh Explanation: Sprawling emission nebulae IC 1396 and Sh2-129 mix glowing interstellar gas and dark dust clouds in this 10 degree wide field of view toward the northern constellation Cepheus the King. Energized by its bluish central star IC 1396 (left) is hundreds of light-years a...
2020年10月7日 Ou4: A Giant Squid in a Flying Bat Image Credit & Copyright: Yannick Akar Explanation: A very faint but very large squid-like nebula is visible in planet Earth’s sky — but inside a still larger bat. The Giant Squid Nebula cataloged as Ou4, and Sh2-129 also known as the Flying Bat Nebula, are both caught in this cosmic scene toward...