radiation

What’s The Fastest Way To Die In Space?

by Fraser Cain March 27, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Space is a hostile environment for human beings. No part of it will permit you to survive longer than a minute. But what’s the fastest way to die in space? Just in case you were planning to jump out into the […]

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How Fast Do Black Holes Spin?

by Fraser Cain February 13, 2014

There is nothing in the Universe more awe inspiring or mysterious than a black hole. Because of their massive gravity and ability to absorb even light, they defy our attempts to understand them. All their secrets hide behind the veil of the event horizon. What do they look like? We don’t know. They absorb all […]

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How Much Radiation Would You Get During A Mars Mission?

by Elizabeth Howell December 10, 2013

While asking questions about habitability on Mars, one thing that scientists also need to consider is whether it’s safe enough for humans to even do exploration there. Radiation is definitely a big factor — in a press conference yesterday (Dec. 9) for the American Geophysical Union’s conference, scientists said the environment is unlike anything we […]

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Speedy Particles Whip At Nearly The Speed Of Light In Earth’s Radiation Belts

by Elizabeth Howell December 4, 2013

The radiation-heavy Van Allen Belts around Earth contain particles that can move at almost the speed of light across vast distances, new research reveals. The information came from an instrument flown aboard the Van Allen Probes twin NASA spacecraft, which launched in 2012. Remove this ad Elizabeth Howell on Google+

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What is a Pulsar?

by Fraser Cain November 21, 2013

Pulsars are types of neutron stars; the dead relics of massive stars. What sets pulsars apart from regular neutron stars is that they’re highly magnetized, and rotating at enormous speeds. Astronomers detect them by the radio pulses they emit at regular intervals. Remove this ad Fraser Cain on Google+

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