Oort cloud

It’s Finally Here! Comet Catalina Greets Dawn Skywatchers

If you love watching comets and live north of the equator, you've been holding your breath a l-o-n-g time for…

8 years ago

Is Jupiter Our Friend Or Enemy?

Like me, you’re probably a little ego-geocentric about the importance of Earth. It’s where you were born, it’s where you…

8 years ago

Solar System Guide

The Universe is a very big place, and we occupy a very small corner of it. Known as the Solar…

9 years ago

What is the Oort Cloud?

At the edge of the Solar System, there exists a large cloud of icy material and rock, which is where…

9 years ago

Weekly Space Hangout – February 20, 2015 – Charles Black from SEN

Host: Fraser Cain (@fcain) Guests: Ramin Skibba (@raminskibba) Dave Dickinson (@astroguyz / www.astroguyz.com) Special Guest: Charles Black (@charlesblack / sen.com/charles-black)…

9 years ago

A Recipe for Returning Pluto to Full Planethood

A storm is brewing, a battle of words and a war of the worlds. The Earth is not at risk. It is…

9 years ago

A Star Passed Through the Solar System Just 70,000 Years Ago

Astronomers have reported the discovery of a star that passed within the outer reaches of our Solar System just 70,000…

9 years ago

Astronomers are Predicting at Least Two More Large Planets in the Solar System

Could there be another Pluto-like object out in the far reaches of the Solar System? How about two or more?…

9 years ago

The Dark Energy Survey Begins to Reveal Previously Unknown Trans-Neptunian Objects

Sometimes when you stare at something long enough, you begin to see things. This is not the case with optical…

9 years ago

Weekly Space Hangout – Nov. 21, 2014: New Images of Europa

Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @cosmic_chatter) Brian Koberlein (@briankoberlein) Ramin Skibba (@raminskibba) Dave Dickinson (@astroguyz /…

9 years ago