What is Regulus?
'''Regulus''', also named '''Alpha Leonis''', is the brightest [[star]] in the [[Leo (constellation)|Leo]] constellation. It is a blue main sequence star 3.5 times larger than the [[Sun]]. <ref>{{Cite web|url=https://earthsky.org/brightest-stars/best-regulus-the-heart-of-the-lion|title=Meet Regulus, the Lion's Heart {{!}} EarthSky.org|website=earthsky.org|language=en-US|access-date=2020-05-24}}</ref><ref>{{Cite web|url=https://www.space.com/22890-regulus.html|title=Regulus: The Kingly Star|last=September 2013|first=Elizabeth Howell 21|website=Space.com|date=21 September 2013 |language=en|access-date=2020-05-24}}</ref> ==References== {{reflist}} [[Category:Stars]] {{sci-stub}}