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TRAPPIST-1 system

23 May 2017

NASA's Kepler telescope reveals orbital details of TRAPPIST-1 system's outermost and least understood planet

Astronomers studying NASA's Kepler Space Telescope identified a regular pattern in the orbits of the planets in the TRAPPIST-1 system, confirming suspected details about the orbit of its outermost and least understood planet, TRAPPIST-1h.

Earth-like planets

23 Feb 2017

NASA's exoplanets discovery: Finding 'Earth 2.0' closer to reality

The first known system of seven Earth-sized planets around a single star was made using the US space agency NASA's Spitzer Space Telescope.

23 Feb 2017

Here's why NASA's big discovery of 7 exoplanets is a 'holy grail' for astronomers

Fascinatingly, at least three of the seven rocky worlds represent the “holy grail for planet-hunting astronomers” as they are firmly located in the 'habitable zone'.

09 Feb 2017

'Proxima b' may not actually harbour life, says NASA

The search for life beyond Earth starts in habitable zones, the regions around stars where conditions could potentially allow liquid water - which is essential for life as we know it - to pool on a planet's surface.

Habitability index

07 Oct 2015

'Habitability index' to reveal where to look for alien life

Astronomers from University of Washington's virtual planetary laboratory have created a way to compare and rank exoplanets to help prioritise which of the thousands discovered warrant close inspection in the search for life beyond Earth.

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