Ursa Major
Gaze Into the Heart of a Grand Spiral Galaxy
Here’s Hubble doing what Hubble does best. Some of the Hubble Space Telescope’s most famous and stunning images are of…
2 years ago
The Constellation Boötes
In the northern skies, flanked by the Big Dipper, lies the Bootes constellation, one of the traditional constellations listed by…
8 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
Something In Big Dipper ‘Blob’ Is Sending Out Cosmic Rays, Study Says
Behind the Big Dipper is something pumping out a lot of extremely high-energy cosmic rays, a new study says. And…
10 years ago
Hubble Spies Tiny, Ancient ‘Ghost Galaxies’
They're out there; tiny, extremely faint and incredibly ancient dwarf galaxies with so few stars that scientists call them 'ghost…
12 years ago
Astronomy Cast Ep. 227: The Big Dipper
We wanted to spend a few shows talking about some of the most recognizable constellations in the night sky. We’ve…
13 years ago