News tagged with interstellar medium

Image: Glowing jewels in the galactic plane

The majority of the stars in our Galaxy, the Milky Way, reside in a single huge disc, known as the Galactic Plane, spanning 100 000 light-years across. The Sun also resides in this crowded stellar hub, lying ...

Apr 29, 2014
5 / 5 (5) 0

The sounds of interstellar space

Scifi movies are sometimes criticized when explosions in the void make noise. As the old saying goes, "in space, no one can hear you scream." Without air there is no sound.

Nov 04, 2013
4.9 / 5 (14) 8 | with audio podcast

The Sun's ripple effect

A new study co-authored by Boston University astronomers indicates that a bow shock (a dynamic boundary between the Sun's heliosphere and the interstellar medium) is highly likely. These findings challenge ...

Jul 30, 2013
5 / 5 (11) 10 | with audio podcast

Galaxy collisions

Collisions between galaxies are common. Indeed, most galaxies have probably been involved in one or more encounters during their lifetimes. One example is our own Milky Way, which is bound by gravity to the ...

Apr 09, 2013
4.7 / 5 (3) 1

Betelgeuse braces for a collision

(Phys.org)—Multiple arcs are revealed around Betelgeuse, the nearest red supergiant star to Earth, in this new image from ESA's Herschel space observatory. The star and its arc-shaped shields could collide ...

Jan 22, 2013
3.8 / 5 (13) 15 | with audio podcast