Types of Lava
There are several different types of volcanoes: steep stratovolcanoes, wide shield volcanoes, and mounded lava domes. The shape of a…
First Views of ISS at Full Length, Full Power
[/caption] Space shuttle Discovery undocked from the ISS on Wednesday, providing the dramatic first views of the space station with…
What is the Temperature of Lava?
The temperature of lava when it is first ejected from a volcanic vent can vary between 700 and 1,200 degrees…
Stratovolcano
[/caption] Stratovolcanoes, or composite volcanoes, are some of the largest, most familiar mountains on Earth. Perhaps you've heard of Mount…
Lava Domes
[/caption] Not all volcanoes are the familiar cone-shaped mountains with lava spewing out of the top. Sometimes you can get…
Don’t ‘Supermassive’ Me: Black Holes Regulate Their Own Mass
Stellar-mass black holes, between 7 and 25 times the Sun’s mass, are called “micro-quasars" when they spawn powerful jets of particles and radiation,…
This Week’s Where In The Universe Challenge
It's Wednesday, so that means its time for another "Where In The Universe" challenge to test your visual knowledge of…
How Are Volcanoes Formed?
[/caption] Some of the most dramatic mountains in the world are volcanoes. Volcanoes can grow to enormous heights quickly, sometimes…
ISS/Shuttle Crews Take Call from President Obama
[/caption] The ten astronauts aboard the International Space Station chatted with US President Barack Obama – along with some school…
IYA Live Telescope Today – The Jewel Box Cluster
If you didn't get a chance to watch the IYA telescope "live" on Galactic TV today, don't worry. We took…