Delta Corvi
Videos
Delta Corvi, also named Algorab, is a third magnitude star at a distance of 86.9 light-years from the Sun in the southern constellation of Corvus.
Wide angle photo of the constellation Corvus and part of constellation Hydra, with δ at top left of the parallelogram
Stellar evolution
Videos
Stellar evolution is the process by which a star changes over the course of time. Depending on the mass of the star, its lifetime can range from a few million years for the most massive to trillions o
The violent youth of stars like the Sun
Artist's depiction of the life cycle of a Sun-like star, starting as a main-sequence star at lower left then expanding through the subgiant and giant phases, until its outer envelope is expelled to form a planetary nebula at upper right
The change in size with time of a Sun-like star
The Cat's Eye Nebula, a planetary nebula formed by the death of a star with about the same mass as the Sun