冰岛上空的凤凰极光
绿色的极光填满了繁星密布的天空。前景是一座山和一个湖。对某些人来说，极光可能像一只飞翔或升起的凤凰。有关更多详细信息，请参阅说明。
标签： 极光
韦伯影像: 星团IC 348
2024年1月15日 Star Cluster IC 348 from Webb Image Credit: NASA, ESA, CSA, STScI, and K. Luhman (Penn State U.) and C. Alves de Oliveira (ESA) Explanation: Sometimes, it’s the stars that are the hardest to see that are the most interesting. IC 348 is a young star cluster that illuminates surrounding filamentary dust. The stringy and winding dust appears pi...
冰岛上空的龙形极光
2024年1月14日 Dragon Aurora over Iceland Image Credit & Copyright: Jingyi Zhang & Wang Zheng Explanation: Have you ever seen a dragon in the sky? Although real flying dragons don’t exist, a huge dragon-shaped aurora developed in the sky over Iceland in 2019. The aurora was caused by a hole in the Sun’s corona that expelled charged particles ...
新西兰上空的稳定极光红弧
2024年1月3日 A SAR Arc from New Zealand Image Credit & Copyright: Tristian McDonald; Text: Tiffany Lewis (Michigan Tech U.) Explanation: What is that unusual red halo surrounding this aurora? It is a Stable Auroral Red (SAR) arc. SAR arcs are rare and have only been acknowledged and studied since 1954. The featured wide-angle photograph, capturing nearly an...
冰岛瀑布上空的彩虹极光
2023年12月27日 Rainbow Aurora over Icelandic Waterfall Image Credit & Copyright: Stefano Pellegrini Explanation: Yes, but can your aurora do this? First, yes, auroras can look like rainbows even though they are completely different phenomena. Auroras are caused by Sun-created particles being channeled into Earth’s atmosphere by Earth’s magnetic...
挪威上空的极光与银河
2023年12月12日 Aurora and Milky Way over Norway Image Credit & Copyright: Giulio Cobianchi Explanation: What are these two giant arches across the sky? Perhaps the more familiar one, on the left, is the central band of our Milky Way Galaxy. This grand disk of stars and nebulas here appears to encircle much of the southern sky. Visible below the stellar arc...
NASA探空火箭发射到阿拉斯加极光
A sounding rocket launched from Poker Flat Research Range in Fairbanks, Alaska, Nov. 8, 2023, carrying NASA’s Goddard Space Flight Center’s DISSIPATION mission. The rocket launched into aurora and successfully captured data to understand how auroras heat the atmosphere and cause high-altitude winds. The teams continue to support a second sounding rocket laun...
意大利上空的红色极光
2023年11月6日 Red Aurora over Italy Image Credit & Copyright: Giorgia Hofer Explanation: What was that red glow on the horizon last night? Aurora. Our unusually active Sun produced a surface explosion a few days ago that sent out a burst of electrons, protons, and more massive charged nuclei. This coronal mass ejection (CME) triggered auroras here on Earth...
挪威上空的怪物状极光
2023年11月5日 Creature Aurora Over Norway Image Credit & Copyright: Ole C. Salomonsen (Arctic Light Photo) Explanation: It was Halloween and the sky looked like a creature. Exactly which creature, the astrophotographer was unsure (but possibly you can suggest one). Exactly what caused this eerie apparition in 2013 was sure: one of the best auroral displays...
加拿大上空的鬼魂状极光
2023年10月22日 Ghost Aurora over Canada Image Credit & Copyright: Yuichi Takasaka, TWAN Explanation: What does this aurora look like to you? While braving the cold to watch the skies above northern Canada early one morning in 2013, a most unusual aurora appeared. The aurora definitely appeared to be shaped like something, but what? Two ghostly possibilitie...