Astronomy
Mount Etna
[/caption] Mount Etna is a stratovolcano on the east side of the Island of Sicily. Standing 3,329 meters tall, Etna…
Vulcan and Volcanoes
[/caption] The name "volcano" comes the island of Vulcano, located in the Mediterranean Sea off the coast of Sicily. The…
Weekend SkyWatcher’s Forecast – May 22-24, 2009
Greetings, fellow SkyWatchers! Are you ready for a dark sky observing weekend? Then let's take a ride with Wild's Triplets,…
Disappearing Accretion Disk Is Missing Link in Pulsar Birth
[/caption] A now-you-see-it, now-you don't accretion disk (white and blue in the artist's rendering at left) has tipped astronomers to…
Volcano Caldera
[/caption] A volcano caldera is a depression in the ground created by the collapse of land after a volcanic eruption.…
Volcano Crater
[/caption] Some craters are formed by a meteor impact, when a space rock strikes the Earth. And other craters are…
Ring of Fire Volcanoes
[/caption] The Pacific Ring of Fire is a region that surrounds the Earth's Pacific Ocean, and is known for its…
How Many Volcanoes Are There?
[/caption] It sounds like such a simple question: how many volcanoes are there on the Earth. But it's actually very…
Volcanic Eruption
[/caption] The ground beneath your feet feels cool, but you're actually standing on a thin shell of crust around the…
A Benevolent Sort of Asteroid Bombardment?
Celestial impacts can bring life as well as wipe it out, say the authors of a new study out of…