orbit
How Could We Destroy the Moon?
What would it take to destroy our moon, and eliminate the enemy of stellar astronomy for all time? In the…
How Do Astronauts Avoid Debris?
So, just how do we keep our space stations, ships and astronauts from being riddled with holes from all of…
How Low Can You Orbit?
The Earth’s atmosphere is a total drag, especially if you’re trying to orbit our planet. So how low can you…
Scientists in Orbit Over Dawn’s Arrival at Ceres
Dawn’s approach and trajectory as it begins its orbital “dance” with Ceres. As you watch, note the timeline at upper…
What is the Average Surface Temperature of the Planets in our Solar System?
It's is no secret that Earth is the only inhabited planet in our Solar System. All the planets besides Earth…
Don’t Miss the Geminids this Weekend, Best Meteor Shower of the Year
Wouldn't it be nice if a meteor shower peaked on a weekend instead of 3 a.m. Monday morning? Maybe even showed good…
How Do We Measure Distance in the Universe?
This star is X light-years away, that galaxy is X million light-years away. That beginning the Universe is X billion…
Is Phobos Doomed?
What fate awaits Phobos, one of the moons of Mars? “All these worlds are yours except Europa, attempt no landing…
The Orbit of Earth. How Long is a Year on Earth?
Ever since the 16th century when Nicolaus Copernicus demonstrated that the Earth revolved around in the Sun, scientists have worked…
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…