Astronomy
Weekend SkyWatcher’s Forecast: February 19-21, 2010
Weekend SkyWatcher's Forecast: February 19-21, 2010 Greetings, fellow SkyWatchers! It's a lunatic weekend as we head towards the Moon's surface…
What is a Supernova?
[/caption] What is a supernova? Well, "nova" means "new star", and "super" means "really big", like supermarket, so a supernova…
Roche Limit
[/caption] The Roche limit is named after French astronomy Edouard Roche, who published the first calculation of the theoretical limit,…
Astronomy Without A Telescope – Don’t Make a Meal of It
You should always put out the old dinner set when you have astronomers around. It all starts innocently enough with…
Keck Telescope
[/caption] There are two Keck telescopes – Keck I and Keck II; together they make up the W.M. Keck Observatory,…
Electron Volt
[/caption] From the name, electron volt, you might guess that this has something to do with electricity. Well, you'd be…
Atom Diagram
[/caption]The image on the left is a basic atom diagram. This one shows the protons, neutrons, and electrons of a…
Atom Definition
[/caption]The atom definition is: A unit of matter, the smallest unit of an element, having all the characteristics of that…
Spitzer, the Wallpaper Factory, Does it Again
At the end of the proverbial day, space-based missions like Spitzer produce millions of observations of astronomical objects, phenomena, and…
Universe Puzzle
I'm trying something new, here in Universe Today, a puzzle. This is, I hope, a puzzle that cannot be answered…