News tagged with stars and galaxies

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What is Nothing?

Is there any place in the Universe where there's truly nothing? Consider the gaps between stars and galaxies? Or the gaps between atoms? What are the properties of nothing?

Aug 22, 2014
4.1 / 5 (67) 161

Image: Magnifying the distant universe

(Phys.org) —Galaxy clusters are some of the most massive structures that can be found in the Universe—large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope ...

Apr 01, 2014
3.8 / 5 (10) 0

Image: WISE catalog just got wiser

NASA's WISE mission has released a new and improved atlas and catalog brimming with data on three-quarters of a billion objects detected during two full scans of the sky.

Nov 15, 2013
4.8 / 5 (6) 2 | with audio podcast

Preparing for comet ISON

(Phys.org) —ESA's space missions are getting ready to observe an icy visitor to the inner Solar System: Comet ISON, which might also be visible in the night sky later this year as a naked eye object.

Sep 24, 2013
5 / 5 (3) 0

Cosmology in the lab using laser-cooled ions

Scientists would love to know which forces created our universe some 14 billion years ago. How could – due to a breaking of symmetry – matter, and thus stars and galaxies, be created from an originally ...

Aug 12, 2013
4.5 / 5 (6) 0 | with audio podcast

Astronomers gain new knowledge about early galaxies

The early galaxies of the universe were very different from today's galaxies. Using new detailed studies carried out with the ESO Very Large Telescope and the Hubble Space Telescope, researchers, including ...

Jul 03, 2013
4.9 / 5 (11) 11 | with audio podcast

Key link found in Cosmic Distance Ladder

(Phys.org) —When observing the bright explosion of a White Dwarf star in our neighbouring galaxy last year, researchers from The Australian National University collected the largest ever data set on what ...

Jun 20, 2013
4.4 / 5 (20) 0 | with audio podcast