Mission to discover alien life given green light


A deep-space mission to discover habitable Earth-sized planets in other solar systems and detect extra-terrestrial life they may host has been given the go-ahead by the European Space Agency (ESA).

Planetary Transits and Oscillations of stars (PLATO) mission will be launched into the L2 virtual point in space – 1.5 million kilometres beyond the Earth, as seen from the Sun – and will monitor thousands of bright stars over a large area of the sky.

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The satellite will search for tiny, regular dips in brightness as their planets cross in front of the stars, temporarily blocking out a small fraction of the starlight.

The PLATO mission led by University of Warwick in the UK will address fundamental questions such as “how common are Earth-like planets?” and “is our solar system unusual or even unique?” and could eventually lead to the detection of extra- terrestrial life.

In addition, PLATO will also investigate seismic activity in some of the host stars, and determine their masses, sizes and ages – with unprecedented accuracy – and helping to understand the entire exoplanet system.

The ESA Science Programme Committee meeting on June 20 agreed to the adoption of the PLATO mission, following its selection in February 2014. This means it can move from a blueprint into construction.

“The launch of PLATO will give us the opportunity to contribute to some of the biggest discoveries of the next decade answering fundamental questions about our existence, and could eventually lead to the detection of extra- terrestrial life,” said Professor Don Pollacco, the PLATO Science Coordinator and Professor of Physics at Warwick.

In the coming months, industry will be asked to make bids to supply the spacecraft platform. Its payload and control and analysis software will be constructed by agencies and institutes across Europe, researchers said.


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