... In particular, the ``standard'' theory of star formation, successful in explaining the formation of low-mass stars, is not able to explain how a star with mass higher than ~8 M sun can be formed. ...
... STAR BIRTH IN THE EARLY UNIVERSE This NASA Hubble Space Telescope (HST) image shows ... stars in the image are massive stars that are only about 4 million years old and ... stars correspond to Main Sequence stars (like our Sun) with average surface ...
... stars are red giants, with an orange color due to surface temperatures lower than ... star of K 648 is about 70,000 degrees Fahrenheit (40,000 degrees Celsius), and ...
... to occur in circumstellar disks of gas and dust around young stars on rather short timescales : infrared surveys show that the number of low mass stars with disks drops dramatically for stars older than 10 Myr, suggesting that in order to form large ...
... Formation and Early Evolution of Intermediate Mass Stars . ... Talk at IAU Symposium 221: Star Formation at High Angular Resolution . ... Talk at the workshop Stars in Galaxies . ...
... A PLANETARY NEBULA IN THE MAKING The object shown in these NASA/ESA Hubble Space Telescope images is a remarkable example of a star going through death throes just as it dramatically transforms itself from a normal red giant star into a planetary nebula ...
... stars form in such environments and understanding the formation process of massive ... stars in the pre-main-sequence phase, to main sequence stars, to evolved objects ...
... STARS This stellar swarm is M80 (NGC 6093), one of the densest of the 147 known ... These stars appear to be unusually young and more massive than the other stars in a ...
... Hot super-Earths stripped by host stars: 'Cooked' planets shrink due to radiation . ... When will a neutron star. ... Radioastronomy . Solar physics . Star formation . Technical reports . Projects . ...