stars

How Do We Measure Distance in the Universe?

This star is X light-years away, that galaxy is X million light-years away. That beginning the Universe is X billion…

10 years ago

Will Gaia Be Our Next Big Exoplanet Hunter?

Early on the morning of Dec. 19, 2013, the pre-dawn sky above the coastal town of Kourou in French Guiana was briefly sliced by the…

10 years ago

How Big Is The Big Dipper?

The Big Dipper is big. Come on, it's right there in the name. But how big is the Big Dipper…

10 years ago

Could A Planet Be as Big as a Star?

How big do planets get? Can they get star sized? Everybody wants the biggest stuff. Soft drink sizes, SUV’s, baseball…

10 years ago

On Scarves, Squirrels, and the Fate of the Universe

Are you scared of the dark, personal failure, or just feeling a tad nihilistic? Maybe you're worried about asteroids, solar…

10 years ago

Why is Everything Spherical?

Have you ever noticed that everything in space is a sphere? The Sun, the Earth, the Moon and the other…

11 years ago

How to Find Your Way Around the Milky Way This Summer

Look east on a dark June night and you'll get a face full of stars. Billions of them. With the moon now…

11 years ago

Weekly Space Hangout – June 6, 2014: Comets & Cosmos?

Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter) Brian Koberlien (@briankoberlein) Alessondra Springmann (@sondy) Matthew Francis (CosmoAcademy.org, @DrMRFrancis)…

11 years ago

How Far Can You See in the Universe?

When you look into the night sky, you’re seeing tremendous distances away, even with your bare eyeball. But what’s the…

11 years ago

Stunning 3D Tours of Two Well-Known Nebulae

Two videos recently released by the Hubble team take us on a tour of two famous and intriguing cosmic objects:…

11 years ago