News tagged with host star

Related topics:

The shocking environment of hot Jupiters

(PhysOrg.com) -- Jupiter-like worlds around other stars push shock waves ahead of them, according to a team of UK astronomers. Just as the Earth's magnetic "bow-shock" protects us from the high-energy solar ...

Apr 19, 2011
4.7 / 5 (3) 0 | with audio podcast

X-Ray observations of an extrasolar planetary system

(PhysOrg.com) -- The majority of extra-solar planets (about 278 of them) are more massive than Jupiter. About 20% of this majority group orbit their stars at a distances of less than one-tenth of an astronomical ...

Oct 22, 2010
4.7 / 5 (12) 0 | with audio podcast

Assumptions about exo-oceans

Some estimates indicate that 25% of Sun-like stars have Earth-like planets. A new study now shows that these planets are almost certain to have oceans if they are located in the right temperature zone around ...

Mar 04, 2011
5 / 5 (13) 16 | with audio podcast

The rose-red glow of star formation

The vivid red cloud in this new image from ESO's Very Large Telescope is a region of glowing hydrogen surrounding the star cluster NGC 371. This stellar nursery lies in our neighboring galaxy, the Small Magellanic ...

Mar 30, 2011
4.3 / 5 (4) 1 | with audio podcast

Bright star reveals new exoplanet

An international team of astronomers at Stellar Astrophysics Centre in Aarhus, Denmark, have discovered a new exoplanet, christened "Kepler-410A b." The planet is about the size of Neptune and orbits the ...

Jan 22, 2014
3.8 / 5 (5) 0

Planet affects a star's spin

The discovery of a hot Jupiter exoplanet that transfers orbital momentum to its host star may hold the key to a clearer understanding of the evolution of common planetary systems, according to findings presented ...

Jan 13, 2011
4.3 / 5 (6) 4 | with audio podcast

Black hole caught zapping galaxy into existence?

(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...

Nov 30, 2009
4.7 / 5 (28) 9

The Supernovae of Triangulum

(PhysOrg.com) -- The Triangulum Galaxy, at a distance of only 2.6 million light-years, is one of the closest spiral galaxies to earth. It is also the third largest member of our galactic neighborhood (after ...

Apr 30, 2010
4.6 / 5 (14) 3 | with audio podcast

VLT captures first direct spectrum of an exoplanet

(PhysOrg.com) -- By studying a triple planetary system that resembles a scaled-up version of our own Sun’s family of planets, astronomers have been able to obtain the first direct spectrum -- the “chemical ...

Jan 13, 2010
5 / 5 (9) 5 | with audio podcast

Planet and star are indeed moving together

(PhysOrg.com) -- A planet about eight times the mass of Jupiter has been confirmed to orbit a Sun-like star that's some 300 times farther from its own star than Earth is from its sun.

Jun 29, 2010
5 / 5 (10) 8 | with audio podcast