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Just before moonrise in Gunnison, Colorado
Matt Burt took this photo last week. What can we say about it? Except ... we all wish we lived there.
December 21, 2013
Moon, halo, Jupiter last night
The moon has been moving past the giant planet Jupiter these past few nights. Plus a lunar halo.
December 20, 2013
A billion stars here we come! Gaia galaxy surveyor lifts off
Gaia is designed to make accurate measurements of the positions and motions of 1% of the total population of roughly 100 billion Milky Way stars.
December 19, 2013
Find black holes while you’re on the bus
"With a large enough sample from your classifications, we can pick out black holes at different stages and build a better picture of their origins." - Radio Galaxy Zoo
December 19, 2013
Last night’s moon and Jupiter
People around the world saw the moon and Jupiter close together on December 18, 2013. After Venus set last night, they were the two brightest objects in the sky.
December 19, 2013
Largest-ever true-color photo of the night sky
The photographer trekked 60,000 miles (100,000 km) across the western United States and South Africa to create this massive composite image.
December 18, 2013
New colorized images of asteroid Vesta
"No artist could paint something like that. Only nature can do this." - Astronomer Martin Hoffman
December 18, 2013
The endless dance of Jupiter and its moons
These little moons move continuously around Jupiter. Their pattern with respect to each other and the giant planet constantly changes.
December 18, 2013
Milky Way galaxy has four arms again
A debate has been raging about whether our galaxy has four spiral arms, or two. A 12-year study of massive stars suggests that it has four.
December 17, 2013
Unseen exoplanet predicted, now confirmed
Perturbations in the orbit of Uranus let astronomers discover the planet Neptune in 1846. Now this same technique has been used to find a planet 1,000 light-years away.
December 17, 2013
