News tagged with bow shock

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

Wind mission encounters 'SLAMS' waves

(Phys.org) —As Earth moves around the sun, it travels surrounded by a giant bubble created by its own magnetic fields, called the magnetosphere. As the magnetosphere plows through space, it sets up a standing ...

Apr 16, 2013
5 / 5 (7) 1 | with audio podcast

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

The solar wind is swirly

(Phys.org)—Using ESA's Cluster quartet of satellites as a space plasma microscope, scientists have zoomed in on the solar wind to reveal the finest detail yet, finding tiny turbulent swirls that could play ...

Dec 19, 2012
5 / 5 (5) 19 | with audio podcast

The 'flame' burns bright in new WISE image

(Phys.org) -- A new image from NASA's Wide-field Infrared Survey Explorer, or WISE, shows the candle-like Flame nebula lighting up a cavern of dust. The Flame nebula is part of the Orion complex, a turbulent ...

Jul 03, 2012
4.2 / 5 (5) 0 | with audio podcast

Has the speediest pulsar been found?

(Phys.org) -- NASA's Chandra X-ray Observatory and ESA's XMM-Newton in space, and the Parkes radio telescope in Australia -- may have found the fastest moving pulsar ever seen.

Jun 28, 2012
4.6 / 5 (9) 3 | with audio podcast

Help! My stars are leaking!

Star clusters are wonderful test beds for theories of stellar formation and evolution. One of the key roles they play is to help astronomers understand the distribution of stellar masses as stars form (in ...

Sep 16, 2011
4.7 / 5 (3) 6