Articles
Guides to galaxies, nebulae, telescopes, and the night sky — for curious minds everywhere.
Fomalhaut and Its Mysterious Debris Ring
Fomalhaut is one of the brightest stars in the sky and hosts a spectacular debris ring that has fascinated astronomers for decades. Discover the star, its dusty disk, the mystery of Fomalhaut b, and how to observe this autumn gem.
Team Visit Astronomy · Dec 26, 2025
Rigel: The Blue Supergiant Lighting Up Orion
Rigel is the brightest star in Orion and one of the most luminous stars visible to the naked eye. Learn about this blue supergiant’s extreme properties, how to observe it, and what its future holds.
Team Visit Astronomy · Dec 24, 2025
Planetary Nebulae: The Beautiful Death of Sun-Like Stars
Planetary nebulae are the glowing shells of gas expelled by dying Sun-like stars. Discover how they form, why they display such incredible shapes and colors, and the best examples to observe with a backyard telescope.
Team Visit Astronomy · Dec 22, 2025
The Keyhole Nebula and Eta Carinae: A Stellar Time Bomb
The Keyhole Nebula is one of the most dramatic features in the Carina Nebula, and nearby Eta Carinae is one of the most massive and unstable stars known. Discover the physics of this extraordinary pair and how to observe them.
Team Visit Astronomy · Dec 19, 2025