Tag Archives: Grand Tack Model
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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Studying our primal horizons at the Kuiper belt
In August this year, the New Horizons spacecraft will cross into the region of space beyond Neptune’s orbit. It won’t be the first human object to go this far: the two Voyager space probes have already done that, and then Pioneer … Continue reading
Posted in Uncategorized
Tagged Grand Tack Model, Kuiper Belt, New Horizons, Nice Model, Pioneer 10, planetary migration, Solar System, Trans-Neptunian objects, Voyager space probes
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