标签: supergiant

造父四

2023年10月12日 Mu Cephei Image Credit & Copyright: David Cruz Explanation: Mu Cephei is a very large star. An M-class supergiant some 1500 times the size of the Sun, it is one of the largest stars visible to the unaided eye, and even one of the largest in the entire Galaxy. If it replaced the Sun in our fair Solar System, Mu Cephei would easily engulf Mars...

速逃星紫微右桓六(少卫)

2023年4月28日 Runaway Star Alpha Camelopardalis Image Credit: André Vilhena Explanation: Like a ship plowing through cosmic seas, runaway star Alpha Camelopardalis has produced this graceful arcing bow wave or bow shock. The massive supergiant star moves at over 60 kilometers per second through space, compressing the interstellar material in its path. At the ce...