What is Alpha Crucis?
'''Acrux''', also known as '''Alpha Crucis''' is a [[star]] system in the [[Crux]] constellation. All stars are blue and hot. The stars are called '''Alpha Crucis A''', '''Alpha Crucis B''', and '''[[HR 4729]]'''. Alpha Crucis A is 25,000 times brighter than the [[Sun]]. Alpha Crucis B is 16,000 times brighter than the [[Sun]].<ref>{{cite book|url=https://doi.org/10.1007/0-387-21625-1_2|title=The Hundred Greatest Stars|editor-first=James B.|editor-last=Kaler|date=15 February 2019|publisher=Springer New York|pages=4–5|via=Springer Link|doi=10.1007/0-387-21625-1_2}}</ref> ==References== {{reflist}} [[Category:Stars]] [[Category:Binary stars]] {{sci-stub}}