保护地球，探索宇宙，发现文明
2023年12月13日 Deep Field: The Heart Nebula Image Credit & Copyright: William Ostling, Telescope Live Explanation: What excites the Heart Nebula? First, the large emission nebula on the left, catalogued as IC 1805, looks somewhat like a human heart. The nebula glows brightly in red light emitted by its most prominent element, hydrogen, but this long-exposu...
2023年2月14日 The Heart and Soul Nebulas Image Credit & Copyright: Juan Lozano de Haro Explanation: Is the heart and soul of our Galaxy located in Cassiopeia? Possibly not, but that is where two bright emission nebulas nicknamed Heart and Soul can be found. The Heart Nebula, officially dubbed IC 1805 and visible in the featured image on the upper right, ha...
2022年2月14日 In the Heart of the Heart Nebula Image Credit & Copyright: Adam Jensen Explanation: What excites the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. Its shape perhaps fitting of the Valentine’s Day, this heart glows brightly in red light emitted by its most prominent element: excited hy...
2019 September 11 IC 1805: The Heart Nebula Image Credit & Copyright: Bray Falls Explanation: What energizes the Heart Nebula? First, the large emission nebula dubbed IC 1805 looks, in whole, like a human heart. The nebula glows brightly in red light emitted by its most prominent element: hydrogen. The red glow and the larger shape are all powered by a s...