保护地球，探索宇宙，发现文明
2023年9月24日 A Ring of Fire Sunrise Solar Eclipse Video Credit: Colin Legg & Geoff Sims; Music: Peter Nanasi Explanation: What’s rising above the horizon behind those clouds? It’s the Sun. Most sunrises don’t look like this, though, because most sunrises don’t include the Moon. In the early morning of 2013 May 10, however, from Wes...
2023年9月17日 Moon Mountains Magnified during Ring of Fire Eclipse Credit & Copyright: Wang Letian (Eyes at Night) Explanation: What are those dark streaks in this composite image of a solar eclipse? They are reversed shadows of mountains at the edge of the Moon. The center image, captured from Xiamen, China, has the Moon’s center directly in front o...
2023年9月10日 An Annular Solar Eclipse over New Mexico Credit & Copyright: Colleen Pinski Explanation: What is this person doing? In 2012, an annular eclipse of the Sun was visible over a narrow path that crossed the northern Pacific Ocean and several western US states. In an annular solar eclipse, the Moon is too far from the Earth to block out the entire...
2020 June 8 Atmospheric Ring of Venus Image Credit & Copyright: Pete Lawrence (Digital Sky) Explanation: Why is Venus surrounded by a bright ring? Sometimes called a ring of fire, this rare ring is caused by the Sun’s light being visible all around an object. Usually seen around the Moon during an annular solar eclipse, the ring of fire is also vi...