planets
Astronomy Cast Ep. 409: Spin in the Solar System
The Solar System is a spinny place. Everything’s turning turning. But if you look closely, there are some pretty strange…
ALMA Captures Never-Before-Seen Details of Protoplanetary Disk
ALMA, a network of radio telescopes, creates the most detailed images ever of a solar system forming around a nearby…
Your Favorite Planet May Soon Turn Up In The Mail
Pluto has been explored, and now the USPS has released new stamps to celebrate this accomplishment. And that's not all,…
Why Do Planets Have Rings?
Planet come in a wide variety of sizes, compositions, and colors - and they can sometimes have rings. Where do…
Space Station Back At Dusk / See Orion’s Curlicue and Five Dawn Planets
Here are some cool things to look for in the night sky this coming week including many passes of the…
Astronomy Cast Ep. 401: Predictions for 2016 and Beyond
What do Pamela and Fraser think will happen or be discovered in 2016? What would they like to see in…
What Is The Heliocentric Model Of The Universe?
In 1543, Polish astronomer Nicolaus Copernicus revolutionized astronomy by proposing his heliocentric model of the Universe
Zodiac Signs and Their Dates
The Zodiac once played an important role in humanity's cosmological beliefs. Today, they are no longer accurate and regarded as…
Order Of the Planets From The Sun
First the quick facts: Our Solar System has eight “official” planets which orbit the Sun. Here are the planets listed…
A New “Mathematical” Definition Proposed for What Constitutes a Planet
In the current (heated) debate of what constitutes a planet, it seems everyone can agree at least one thing: The…