标签: sprites

捷克上空的红色精灵

2022年9月12日 Red Sprite Lightning over the Czech Republic Image Credit & Copyright: Daniel Ščerba Explanation: What are those red filaments in the sky? They are a rarely seen form of lightning confirmed only about 35 years ago: red sprites. Research has shown that following a powerful positive cloud-to-ground lightning strike, red sprites may start as 100...

英仙座流星、红色精灵及蛇夫RS新星

2021年8月16日 Perseid Meteor, Red Sprites, and Nova RS Ophiuchus Image Credit & Copyright: Daniel Korona Explanation: This was an unusual sky. It wasn’t unusual because of the central band the Milky Way Galaxy, visible along the image left. Most dark skies show part of the Milky Way. It wasn’t unusual because of the bright meteor visible on the...