Not exact matches
SPHERE's primary task is to
discover and study giant
exoplanets orbiting
nearby stars using direct imaging.
Astronomers currently know of roughly 200 planets circling
nearby stars, and more and more of these so - called
exoplanets are
discovered every year.
Launching in 2017, NASA's Transiting
Exoplanet Survey Satellite (TESS) and ESA's Characterizing
Exoplanets Satellite (CHEOPS) should collectively
discover and study many more worlds like 55 Cancri e circling
nearby stars.
Astronomers have
discovered three
exoplanets in orbit around a
nearby dwarf star, making them good targets for atmospheric analysis
At the same time, many
exoplanets that have been
discovered around
nearby and distant stars have similar mass and size to the ice giants, Uranus and Neptune.
As the Academies notes in their recent decadal survey,» [t] he search for
exoplanets is one of the most exciting subjects in all of astronomy...» The report went on to recommend «a program to explore the diversity and properties of planetary systems around other stars, and to prepare for the long - term goal of
discovering and investigating
nearby, habitable planets.»
Its ultimate purpose is to learn if some sort of life exists on planets circling
nearby stars; Hawking and other scientists postulate that many of the hundreds of newly
discovered exoplanets must harbor some forms of life.