Tag Archives: main sequence stars
A revolutionary exoplanet
In 1992, Aleksander Wolszczan and Dale Frail became the first astronomers to publicly announce that they had discovered the first planets outside the Solar System, orbiting the dense core of a dead star about 2,300 lightyears away. This event is considered to … Continue reading
Posted in Scicomm
Tagged 51 Pegasi b, brown dwarf, CRIRES, Didier Queloz, Doppler spectroscopy, ELODIE spectrograph, exoplanets, Grand Tack Model, hot Jupiters, Ignas Snellen, James Peebles, main sequence stars, Michel Mayor, NASA Kepler telescope, Nice Model, Nobel Prize for physics, orbital velocity, pegasean planets, Physics Nobel Prize, planetary migration, Proxima Centauri, radial velocity, roaster planets, Very Large Telescope, Wolf 1061
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Astronomers find colossal ring system putting Saturn’s to shame
An astronomy professor at the University of Leiden, Ignas Snellen,called brown dwarfs ‘failed stars‘ because they were too heavy to be typical planets (13-75 times as heavy as Jupiter) and too light to sustain the fusion of hydrogen into helium. … Continue reading
Posted in Uncategorized
Tagged brown dwarfs, Doppler spectroscopy, gas giants, J1407, J1407b, main sequence stars, planet formation, SuperWASP
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