News tagged with ionization

Image: Hubble gazes at long-dead star

This NASA/ESA Hubble Space Telescope image captures the remnants of a long-dead star. These rippling wisps of ionized gas, named DEM L316A, are located some 160,000 light-years away within one of the Milky Way's closest galactic ...

dateAug 01, 2016 in Astronomy
shares20 comments 0

Chernobyl, three decades on

It was 30 years ago that a meltdown at the V. I. Lenin Nuclear Power Station in the former Soviet Union released radioactive contaminants into the surroundings in northern Ukraine. Airborne contamination from what is now ...

dateApr 26, 2016 in Environment
shares10 comments 0

The properties of pre-stellar cores

Stars like the Sun begin their lives as cold, dense cores of dust and gas that collapse under the influence of gravity until nuclear fusion is ignited. These cores contain hundreds to thousands of solar-masses of material ...

dateJan 18, 2016 in Astronomy
shares1099 comments 10