Space update special: the 7-exoplanet system

Inara Pey: Living in a Modem World

An artist's impression of the sky from the outermost of the three TRAPPIST exoplanets in the star's habitable zone (see the 360-video below) An artist’s impression of the sky from the outermost of the three TRAPPIST exoplanets in the star’s habitable zone (see the 360-video below). Credit: NASA

On Wednesday, February 22nd, US space agency NASA, working with a team of European astronomers, confirmed no fewer than seven extra-solar planets are orbiting a star some 39 light years away – with three of them within the so-called “Goldilocks zone” of habitability.

The star in question is TRAPPIST-1, named for the instruments used in its discovery, the Transiting Planets and Planetesimals Small Telescope (TRAPPIST),  and more formally known as 2MASS J23062928-0502285. Regular readers of my Space Sunday column might remember that I referred to the system back in November 2016, whilst discussing the James Webb Space Telescope and the hunt of exoplanets. The NASA announcement, which coincides with the publication of a new paper by the TRAPPIST team, adds dramatic new information to…

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Author: Thomas

A man working his life out, day-by-day

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