猎户座与松树

猎户座与松树

ByNASA中文

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 stretch across top center in the starry frame. Alnitak, the easternmost (left) of the belt stars is seen next to the more diffuse glow of the Flame Nebula and the dark notch of the famous Horsehead. Easily visible to the naked-eye The Great Nebula of Orion is below the belt stars. A mere 1,500 light-years distant, it is the closest large stellar nursery to our fair planet. Best seen…

猎户腰带区的气体和尘埃

猎户腰带区的气体和尘埃

ByNASA中文

2022年1月11日 Orion’s Belt Region in Gas and Dust Image Credit & Copyright: Matt Harbison (Space4Everybody), Marathon Remote Imaging Observatory Explanation: You may have seen Orion’s belt before — but not like this. The three bright stars across this image are, from left to right, Mintaka, Alnilam, and Alnitak: the iconic belt stars of Orion. The rest of the stars in the frame have been digitally removed to highlight the surrounding clouds of glowing gas and dark dust. Some of these clouds have intriguing shapes, including the Horsehead and Flame Nebulas, both near Alnitak on the lower right. This deep image, taken last month from the Marathon Skypark and Observatory in Marathon, Texas, USA, spans about 5 degrees, required about 20 hours of exposure, and was…