News tagged with stellar wind

Companion stars could cause unexpected X-rays

Many types of main sequence stars emit in the X-ray portion of the spectra. In massive stars, strong stellar winds ripping through the extended atmosphere of the star create X-ray photons. On lower mass stars, magnetic fields ...

dateMar 25, 2011 in Astronomy
shares0 comments 3

'Elephant trunks' in space

(PhysOrg.com) -- NASA's Wide-field Infrared Survey Explorer, or WISE, captured this image of a star-forming cloud of dust and gas, called Sh2-284, located in the constellation of Monoceros. Lining up along the edges of a ...

dateMar 07, 2011 in Astronomy
shares0 comments 3

Hubble finds that puny stars pack a big punch

(PhysOrg.com) -- A deep survey of more than 200,000 stars in our Milky Way galaxy has unveiled the sometimes petulant behavior of tiny red dwarf stars. These stars, which are smaller than the Sun, can unleash powerful eruptions ...

dateJan 10, 2011 in Astronomy
shares0 comments 2

WISE image reveals strange specimen in starry sea

(PhysOrg.com) -- A new image from NASA's Wide-field Infrared Survey Explorer shows what looks like a glowing jellyfish floating at the bottom of a dark, speckled sea. In reality, this critter belongs to the cosmos -- it's ...

dateNov 17, 2010 in Astronomy
shares0 comments 11

Recipe for water: Just add starlight

ESA's (European Space Agency) Herschel infrared space observatory has discovered that ultraviolet starlight is a key ingredient for making water in the atmosphere of some stars. It is the only explanation for why a dying ...

dateSep 01, 2010 in Astronomy
shares0 comments 3

Pulverized planet dust might lie around double stars

(PhysOrg.com) -- Tight double-star systems might not be the best places for life to spring up, according to a new study using data from NASA's Spitzer Space Telescope. The infrared observatory spotted a surprisingly large ...

dateAug 23, 2010 in Astronomy
shares0 comments 1

Superhot Planet Likely Possesses Comet-like Tail

(PhysOrg.com) -- As if the debate over what is and what is not a planet hasn't gotten confusing enough, Hubble Space Telescope astronomers have now confirmed the existence of a tortured, baked object that could be called ...

dateJul 15, 2010 in Astronomy
shares0 comments 3