planets
Is the Solar System Really a Vortex?
The short answer? No. Not in the way that a popular animated gif insinuates, at least. If you're even a…
Do You Need Some Space?
Of course you do! (Who doesn't?) And so here's a wonderful tour of our Solar System to provide you with…
Here’s the Latest Kepler Orrery Video: the Orbits of the Planets Go ‘Round and ‘Round
If you've ever wanted to know what 3,538 exoplanets look like spinning around their stars, here you go! This is…
An Illustrative Explanation Of Our Solar System
The Solar System: it's our home in space, the neighborhood that we all grew up in and where -- unless…
Cassini Captures Saturn’s Darkest Rings
The closest to the planet itself, the hazy arcs of Saturn's D ring may lack the reflective brilliance and sharply-defined…
How Many Planets are in the Solar System?
I’m just going to warn you, this is a controversial topic. Some people get pretty grumpy when you ask: how…
Bright Planetary Conjunctions Liven Up This Week’s Evening Sky
Planning a barbecue this weekend? You may want to top it off with a look at three bright planets shuttling…
Book Review: Your Ticket to the Universe
Every once in a while an astronomy book comes out that combines stunning high-definition images from the world's most advanced…
A Valentine From Voyager
On February 14, 1990, after nearly 13 years of travel through the outer Solar System, NASA's Voyager 1 spacecraft crossed…
New South Pole Marker Honors Planets, Pluto, and Armstrong
The new geographic South Pole marker that stands at 90º S latitude. (Credit: Jeffrey Donenfeld) Because the Amundsen-Scott South Pole Station…