Tag Archives: planet formation
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
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Tagged brown dwarfs, Doppler spectroscopy, gas giants, J1407, J1407b, main sequence stars, planet formation, SuperWASP
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Astronomers strike gold with find of unique star-system only 150 ly away
Even after the loss of a critical stabilization system on-board, the NASA Kepler space telescope has made an important discovery. Scientists from the University of California have used the telescope to find a nearby star-system comprising a cool red M-dwarf … Continue reading
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Tagged Automated Planet Finder telescope, compositional analysis, EPIC 201367065, Keck Telescope, Kepler space telescope, planet formation
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ALMA telescope catches live planet-forming action for the first time
The ALMA telescope in Chile has, for the first time, observed a star system that might be in the early stages of planet formation. The picture has astronomers drooling over it because the study of the origins of planets has until now been … Continue reading
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Tagged exoplanets, HK Tauri, HL Tauri, orbital resonance, planet formation, proto-planetary disc
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For planets, one thing leads to another
One of the biggest benefits of being a journalist is that you become aware of interesting things from various fields. As a science journalist, the ambit is narrowed but the interestingness, not at all. And one of the most interesting … Continue reading
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Tagged exoplanets, Keplerian disk, Kuiper Belt, log-log plot, planet formation, Solar System
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A thicker crust on Vesta questions how it was baked
Billing its mission as a journey to the beginning of the Solar System, the NASA Dawn probe has revealed more information about the asteroid Vesta that has scientists both eager and cautious about what they have learned. The second largest … Continue reading
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Tagged 4 Vesta, asteroids, Ceres, chondrites, NASA Dawn, olivine, planet formation, Solar System
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Rocky exoplanets only get so big before they get gassy
By the time the NASA Kepler mission failed in 2013, it had gathered evidence that there were at least 962 exoplanets in 76 stellar systems, not to mention the final word is awaited on 2,900 more. In the four years it … Continue reading
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Tagged Astronomy, density, empirical relationship, exobiology, exoplanets, mass, NASA Kepler mission, planet formation, Solar System
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The secrets of how planets form
Astronomers who were measuring the length of one day on an exoplanet for the first time were in for a surprise: it was shorter than any planet’s in the Solar System. Beta Pictoris b, orbiting the star Beta Pictoris, has … Continue reading
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Tagged astrophysics, Beta Pictoris b, centrifugal force, curve plotting, escape velocity, exoplanets, gravitation, Kuiper Belt, monomial, neutron stars, non-linearity, planet formation, Solar System, spin-mass correlation, strong nuclear force
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