保护地球，探索宇宙，发现文明
2022年5月22日 A Large Tsunami Shock Wave on the Sun Image Credit: NSO/AURA/NSF and USAF Research Laboratory Explanation: Tsunamis this large don’t happen on Earth. During 2006, a large solar flare from an Earth-sized sunspot produced a tsunami-type shock wave that was spectacular even for the Sun. Pictured here, the tsunami wave was captured moving out fr...
2021年04月14日 The Pencil Nebula Supernova Shock Wave Image Credit & Copyright: Greg Turgeon & Utkarsh Mishra Explanation: This supernova shock wave plows through interstellar space at over 500,000 kilometers per hour. Near the middle and moving up in this sharply detailed color composite, thin, bright, braided filaments are actually long ripples in a...
2020年10月4日 Orion Nebula in Oxygen, Hydrogen, and Sulfur Image Credit & Copyright: César Blanco González Explanation: Few astronomical sights excite the imagination like the nearby stellar nursery known as the Orion Nebula. The Nebula’s glowing gas surrounds hot young stars at the edge of an immense interstellar molecular cloud. Many of the filamen...