Astronomy
What is Jupiter’s Great Red Spot?
One of the most prominent features in the Solar System is Jupiter's Red Spot. This is a massive storm three…
Stellar Parallax
[/caption] Parallax is the apparent difference in the position (line of sight to) an object, when the object is viewed…
Half a Million Galaxies, Yours to Explore
Move over, Hubble Deep Field. The Canada-France-Hawaii Telescope has released a new deep-field image of as many as 500,000 galaxies…
Extra Star Found in the Big Dipper
The handle of the Big Dipper just got stronger! Astronomers have found an additional star located in the Dipper's gripper…
Very First Image of a Very Hot Star
No, this article is not about Johnny Depp or Angelina Jolie. They may be hot stars, but in comparison to…
Earth’s Mass
[/caption] The Earth's mass is 5.9736 x 1024 kg. That's a big number, so let's write it out in full:…
Dating a Cluster – A New Trick
[/caption] Finding the ages of things in astronomy is hard. While it is undoubted that the properties of objects change…
Red Giant Brightness Variations Still Mysterious
[/caption] Like everything else in the Universe, stars get old. As they become older, stars like our own Sun "puff…
Tallest Mountains
[/caption] There are many tall mountains around the world as well as on other worlds. Mount Everest is the highest…
Weekend SkyWatcher’s Forecast – December 5-7, 2009
Greetings, fellow SkyWatchers! Are you ready for an mmm mmm good weekend? Well, the "m" stands for Messier and we're…