保护地球，探索宇宙，发现文明
2023年4月16日 M2-9: Wings of a Butterfly Nebula Image Credit: Hubble Legacy Archive, NASA, ESA; Processing: Judy Schmidt Explanation: Are stars better appreciated for their art after they die? Actually, stars usually create their most artistic displays as they die. In the case of low-mass stars like our Sun and M2-9 pictured here, the stars transform themselves...
2022年11月21日 The Butterfly Nebula from Hubble Image Credit: NASA, ESA, Hubble; Processing: William Ostling Explanation: Stars can make beautiful patterns as they age — sometimes similar to flowers or insects. NGC 6302, the Butterfly Nebula, is a notable example. Though its gaseous wingspan covers over 3 light-years and its estimated surface temperature ...
2021年03月16日 IC 1318: The Butterfly Nebula in Gas and Dust Image Credit & Copyright: Alan Pham Explanation: In the constellation of the swan near the nebula of the pelican lies the gas cloud of the butterfly next to a star known as the hen. That star, given the proper name Sadr, is just to the right of the featured frame, but the central Butterfly Nebula...
7月21日 Iron in the Butterfly Nebula Image Credit: NASA, ESA, Hubble; Processing & License: Judy Schmidt Explanation: Can stars, like caterpillars, transform themselves into butterflies? No, but in the case of the Butterfly Nebula — it sure looks like it. Though its wingspan covers over 3 light-years and its estimated surface temperature exceeds 200...