Astronomy
Astronomers Observe Bizarre Blazar with Battery of Telescopes
[/caption] Quasars visible at gamma-ray energies are called "blazars." Blazars are among the most energetic objects in the universe and…
Disappearing Stars Confirm Supernova Origins
Artist's rendering of SN 1993J, where a red supergiant supernova progenitor star (left) is exploding after having transferred about seven…
Vernal Equinox – Busting the Myth of Balancing Eggs
[/caption] Spring officially arrives for everyone, including astronomers on March 20. The word "Equinox" literally means "equal night". It's all…
The Sun as a White Dwarf Star
[/caption] What will happen to all the inner planets, dwarf planets, gas giants and asteroids in the Solar System when…
Turning the Tides – NGC 3109 by Ken Crawford
[/caption] Somewhere off in the far reaches of Hydra about 4.3 million light years away is a local subgroup of…
Cinder Cone Volcanoes
[/caption] Picture a volcano in your mind. You're probably thinking of a cinder cone volcano, the simplest type of volcano.…
ESO Image Reveals Galaxy Duo in Explosive Dance
The 'peculiar galaxy' Arp 261 has been imaged in unprecedented detail, revealing two galaxies in a slow motion -- but…
Earth Cyclones, Venus Vortices Have Much in Common
Scientists have spotted an S-shaped feature in the center of the vortices on Venus that looks familiar -- because they've seen…
Shield Volcanoes
[/caption] Shield volcanoes are large volcanoes with gently sloping sides. In fact, the largest volcanoes on Earth (and even the…
Weekend SkyWatcher’s Forecast – March 13-15, 2009
Greetings, fellow SkyWatchers! With the Moon gone from the early evening skies, it's time for a little sky dancing this…