Is Rigel brighter or dimmer than Altair?

Rigel is brighter than Altair. Rigel, located in the constellation Orion, is one of the brightest stars in the night sky, with an apparent magnitude of about 0.18. In contrast, Altair, part of the constellation Aquila, has an apparent magnitude of approximately 0.76. Therefore, Rigel outshines Altair significantly.