News tagged with gamma rays

Dating our galaxy's dormant volcano

(Phys.org) —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.

Sep 23, 2013
4.7 / 5 (24) 5 | with audio podcast

From graphite to water

Scientists from the National Physical Laboratory (NPL), in collaboration with researchers in Belgium and Italy, have published research that could help provide a primary standard for dose measurements of ...

Sep 17, 2013
3 / 5 (2) 0

CSIRO telescope marks 25 years of success

One of the world's most successful astronomy observatories, CSIRO's Australia Telescope Compact Array near Narrabri, New South Wales (NSW), turns 25 years of age on 2 September.

Aug 26, 2013
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Earth's gold came from colliding dead stars

We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot ...

Jul 17, 2013
4.7 / 5 (48) 90 | with audio podcast

Liverpool Telescope plans double-sized successor

(Phys.org) —Planning is underway for a successor to the world's largest fully robotic telescope. The Liverpool Telescope (LT) is a 2-metre optical telescope located on La Palma that has been in operation ...

Jul 02, 2013
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