铅笔星云与超新星冲击波
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...