Investigating the mystery of migrating 'hot Jupiters'

The last decade has seen a bonanza of exoplanet discoveries. Nearly 2,000 exoplanets—planets outside our solar system—have been confirmed so far, and more than 5,000 candidate exoplanets have been identified. Many of ...

New look at HD 10180 shows it might have nine planets

(Phys.org) -- Astronomer Mikko Tuomi of the University of Hertfordshire, has found after looking at data regarding the solar system surrounding the star HD 10180, that it likely has nine planets making it the most highly ...

Richest planetary system discovered (w/ Video)

(PhysOrg.com) -- Astronomers using ESO's world-leading HARPS instrument have discovered a planetary system containing at least five planets, orbiting the Sun-like star HD 10180. The researchers also have tantalising evidence ...

Astronomers spot cosmic dust fountain

(PhysOrg.com) -- Space dust annoys astronomers just as much as the household variety when it interferes with their observations of distant stars. And yet space dust also poses one of the great mysteries of astronomy.

An exoplanet loses its atmosphere in the form of a tail

A new study led by scientists from the Instituto de Astrofísica de Canarias (IAC) reveals that the giant exoplanet WASP-69b carries a comet-like tail made up of helium particles escaping from its gravitational field and ...

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