News tagged with x-ray

Looking back to the cradle of our universe

(Phys.org) —NASA's Spitzer and Hubble Space Telescopes have spotted what might be one of the most distant galaxies known, harkening back to a time when our universe was only about 650 million years old ...

Feb 10, 2014
4.4 / 5 (21) 1 | with audio podcast

New insight into an emerging genome-editing tool

(Phys.org) —The potential is there for bacteria and other microbes to be genetically engineered to perform a cornucopia of valuable goods and services, from the production of safer, more effective medicines ...

Feb 06, 2014
4.7 / 5 (10) 0 | with audio podcast

Centaurus A: A new look at an old friend

(Phys.org) —Just weeks after NASA's Chandra X-ray Observatory began operations in 1999, the telescope pointed at Centaurus A (Cen A, for short). This galaxy, at a distance of about 12 million light-years ...

Feb 06, 2014
4.9 / 5 (20) 49 | with audio podcast

Explainer: What is X-ray crystallography?

Around 100 years ago a father and his son in north England conducted an experiment that would revolutionise the way scientists study molecules. A refined version of their method still remains one of the most ...

Feb 04, 2014
5 / 5 (2) 1

Capturing a fleeting starburst

On 11 November 2011, astronomers witnessed a distant star erupt in an incredibly powerful explosion. An international research team including Mikio Morii and colleagues from the MAXI Team at the RIKEN Global ...

Jan 31, 2014
4.8 / 5 (9) 3

NASA spacecraft take aim at nearby supernova

(Phys.org) —An exceptionally close stellar explosion discovered on Jan. 21 has become the focus of observatories around and above the globe, including several NASA spacecraft. The blast, designated SN 2014J, ...

Jan 24, 2014
5 / 5 (17) 1 | with audio podcast

Dead star and distant black holes dazzle in X-rays

(Phys.org) —Two new views from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, showcase the telescope's talent for spying objects near and far. One image shows the energized remains of a dead star, ...

Jan 09, 2014
4.7 / 5 (7) 0 | with audio podcast

Death by black hole in small galaxy?

(Phys.org) —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra ...

Jan 08, 2014
5 / 5 (12) 31 | with audio podcast