VY Canis Majoris
Videos
VY Canis Majoris is an extreme oxygen-rich red hypergiant or red supergiant and pulsating variable star 1.2 kiloparsecs from the Solar System in the slightly southern constellation of Canis Major. It
Portrait in bust of Jérôme Lalande in 1802
VLBA used to derive VY CMa's 2011 distance estimate
VY Canis Majoris compared to the Sun and the Earth's orbit
Betelgeuse
Videos
Betelgeuse is a red supergiant star in the equatorial constellation of Orion. It is usually the tenth-brightest star in the night sky and, after Rigel, the second brightest in its constellation. It is
1998/9 ultraviolet (UV) Hubble Space Telescope images of Betelgeuse showing asymmetrical pulsations with corresponding spectral line profiles
AAVSO V-band magnitude of Betelgeuse, between September 2016 and August 2023
Comparison of SPHERE images of Betelgeuse taken in January 2019 and December 2019, showing the changes in brightness and shape
Image showing Betelgeuse (top left) and the dense nebulae of the Orion molecular cloud complex (Rogelio Bernal Andreo)