Comets
Observing Challenge: The Moon Brushes Past Venus and Covers Mercury This Week
The summer astronomical action heats up this week, as the waning crescent Moon joins the inner planets at dawn. This…
Rosetta Detects Water on its Target Comet
It's no surprise that there is a lot of water in comets. The "dirty snowballs" (or dusty ice-balls, more accurately)…
What Will Rosetta’s Comet Look Like? How Artists Over The Years Pictured It
Comets are notoriously hard to predict -- just ask those people on Comet ISON watch late in 2013. So as…
Asteroid-Turned-Comet 2013 UQ4 Catalina Brightens: How to See it This Summer
Though ISON may have fizzled in early 2014, we’ve certainly had a bevy of binocular comets to track this year.…
Titan Balloon Among Far-Out Concepts NASA Selects For Funding
Sometimes a good idea takes some tinkering. You have a thought that it will work, but what it really requires…
Asteroid 2014 KH39 Zips Just 1.1 LD from Earth – Watch it LIVE June 3
Got any plans Tuesday? Good. Keep them but know this. That day around 3 p.m. CDT (20:00 UT) asteroid 2014 KH39 will silently…
New Arecibo Radar Images Show Comet Responsible for Camelopardalids is an Icy, Cratered Mini World
When Comet 209P/LINEAR -- the comet that brought us the Camelopardalids meteor shower last weekend - was first discovered in…
Will an Asteroid Smack Jupiter in 2022?
A recent space rock discovery has sent a minor buzz through the community that tracks such objects. And as usual,…
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Potential Weekend Meteor Shower Will Pelt the Moon Too!
If the hoped-for meteor blast materializes this Friday night / Saturday morning (May 23-24) Earth won't be the only world getting…
How to See 209P/LINEAR, the Comet Brewing Up Saturday’s Surprise Meteor Shower
As we anxiously await the arrival of a potentially rich new meteor shower this weekend, its parent comet, 209P/LINEAR, draws…