News tagged with composite

Image: NGC 6946, "the fireworks galaxy"

NGC 6946 is a medium-sized, face-on spiral galaxy about 22 million light years away from Earth. In the past century, eight supernovas have been observed to explode in the arms of this galaxy.

Nov 11, 2013
4.7 / 5 (3) 1

Looking for a new gold mine? We've got the map

As published this month in Nature Geoscience, researchers and industry partners have produced the first major 'cat scan of the earth'. Their work reveals a new chart of the sub-continental lithosphere mantle ...

Oct 28, 2013
4.3 / 5 (10) 1 | with audio podcast

Grazers and pollinators shape plant evolution

It has long been known that the characteristics of many plants with wide ranges can vary geographically, depending on differences in climate. But changes in grazing pressure and pollination can also affect the genetic composition ...

Oct 21, 2013
5 / 5 (2) 0 | with audio podcast

Hubble eyes a smoldering star

(Phys.org) —This new image, snapped by NASA/ESA Hubble Space Telescope, shows the star HD 184738, also known as Campbell's hydrogen star. It is surrounded by plumes of reddish gas—the fiery red and orange ...

Sep 23, 2013
5 / 5 (7) 0 | with audio podcast