Oort cloud

Solar System Guide

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

6 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…

6 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)…

7 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…

7 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…

7 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?…

7 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…

7 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 /…

7 years ago

‘Naked’ Comets Could Expose Solar System’s Ancient Origin Story

What's a comet that doesn't look like a comet? The question sounds contradictory, but astronomers believe these objects exist. As…

7 years ago

A Compendium of Universe Today Comet Siding Spring Articles: January 2013 – October 2014

We present here a compendium of Universe Today articles on comet Siding Spring. Altogether 18 Universe Today stories and counting…

7 years ago