SCIENCE IN THE NEWS DAILY
Gamma-Ray Telescope to Open New Window on Cosmic Explosions
from Scientific American
NASA on Saturday is set to launch the next generation of space-based gamma-ray detectors. If all goes as planned, GLAST - for Gamma-ray Large Area Space Telescope - will within months begin to send back detailed, real-time data on the most energetic explosions and flare-ups the cosmos has to offer.
You may think of gamma rays as tools for scorching tumors or maybe as the stuff of comic book and TV lore .... In fact, gamma rays are very high energy x-rays produced when powerful energetic forces strongly accelerate electrons and send them hurtling through space.
GLAST will fill a blind spot in researchers' view of the heavens by scanning a wide swath of gamma rays, including a stretch of spectrum never before observed by ground- or space-based telescopes.
Read more ...
Connect With Us:
VIDEO: How Hair Ice Grows
In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
To view all multimedia content, click "Latest Multimedia."
Receive notification when new content is posted from the entire website, or choose from the customized feeds available.