What are Active Volcanoes?

15 years ago

Geologists classify volcanoes into three distinct groups: dormant, extinct and active volcanoes. Dormant volcanoes haven't erupted in a long time,…

A’a Lava

15 years ago

[/caption] There are several different kinds of lava, depending on the chemical composition and temperature of the molten rock that…

Magma Chamber

15 years ago

[/caption] Here on the surface of the Earth, the ground is cool and comfortable. But as you descend into the…

Volcanic Gas

15 years ago

[/caption] The material that erupts out of a volcano starts as magma deep underground. Much of this magma is rock,…

New Mystery from Cosmic Dawn: The Blob

15 years ago

[/caption]                           This mysterious, giant object existed at…

Strombolian Eruption

15 years ago

[/caption] Named after the volcano Stromboli in Siciliy, Strombolian eruptions are one of the most beautiful to watch; and fortunately,…

Plinian Eruption

15 years ago

[/caption] Think about a classic volcanic eruption, with a huge cloud of volcanic ash rising up from a giant cinder…

Black Hole Jets Pack One, Two Punch in Radio, Gamma Rays

15 years ago

[/caption] Compact, ultrabright jets at supermassive black holes in active galaxies were already known to pack an impressive punch in radio waves.…

Awesome Moon and Venus View This Morning

15 years ago

[/caption] Did you happen to catch the view of the crescent Moon and crescent Venus this morning? Ted Judah from…

Oldest and Most Distant Water in the Universe Detected

15 years ago

[/caption] Astronomers have found the most distant signs of water in the Universe to date. The water vapor is thought…