Altair, one of the members of the Summer Triangle, stands high in the south as darkness falls and drops down the western sky during the night. Altair is a couple of times wider and heavier than the Sun, so it’s hotter and brighter than the Sun.
Altair, one of the members of the Summer Triangle, stands high in the south as darkness falls and drops down the western sky during the night. Altair is a couple of times wider and heavier than the Sun, so it’s hotter and brighter than the Sun.