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…

9 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…

9 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)…

10 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…

10 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…

10 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?…

10 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…

10 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 /…

10 years ago