What is the Distance to the Moon?
The short answer is, the average distance to the Moon is 384,403 km (238,857 miles). But before you go thinking…
No, This Image Was Not Taken from the Space Station, But it Sure Looks Like It
I love those images taken from the International Space Station that show the Moon rising or setting above Earth's limb,…
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Opportunity Approaching Mountain Climbing Goal and Signs of Habitable Martian Environment
Opportunity rover captures spectacular view ahead to her upcoming mountain climbing goal, the raised rim of “Solander Point” at right,…
An “Elemental” Explanation of Dark Matter
Atoms, string theory, dark matter, dark energy... there's an awful lot about the Universe that might make sense on paper…
Neutron Stars: A Cataclysmic Conception
It's one of the most intense and violent of all events in space - a supernova. Now a team of…
What Happens When Stars Collide? In This Case, A Newly Observed Kind of Pulsating Star
It sure would be interesting to watch two stars run into each other -- from a safe distance, of course.…
How to Pay for That Latte on the Moon? PayPal Has a Plan
In Star Trek lore, money doesn’t exist in the 24th century. But sometime in the 21st century, when we (hopefully)…
We’ve Found 10,000 Near-Earth Objects. How To Step Up The Search?
That pale white dot up there? No. 10,000 in a list of near-Earth objects. This rock, 2013 MZ5, was discovered June…
This Supernova Had A ‘Delayed Detonation’
In 2008, astronomers discovered a star relatively nearby Earth went kablooie some 28,000 light-years away from us. Sharp-eyed astronomers, as…
How Amateur Astronomers Can Help LADEE
You can help NASA’s upcoming lunar mission. NASA’s Lunar Atmosphere and Dust Environment Explorer (LADEE) is slated to lift off from…