保护地球，探索宇宙，发现文明
2024年1月23日 Deep Nebulas: From Seagull to California Image Credit & Copyright: Alistair Symon Explanation: How well do you know the night sky? OK, but how well can you identify famous sky objects in a very deep image? Either way, here is a test: see if you can find some well-known night-sky icons in a deep image filled with faint nebulosity. This image c...
2022年4月16日 Orion Pines Image Credit & Copyright: Juan Carlos Casado (Starry Earth, TWAN) Explanation: Taken with a camera fixed to a tripod, many short exposures were aligned with the stars to unveil this beautiful, dark night sky. Captured near the rural village of Albany`a at the northeastern corner of Spain, the three stars of Orion’s belt stre...
2019 December 12 Decorating the Sky Image Credit & Copyright: Leonardo Julio (Astronomia Pampeana) Explanation: Bright stars, clouds of dust and glowing nebulae decorate this cosmic scene, a skyscape just north of Orion’s belt. Close to the plane of our Milky Way galaxy, the wide field view spans about 5.5 degrees. Striking bluish M78, a reflection...
