The first known exoplanets were huge and gassy.
Not exact matches
By the time Kepler reports its
first results, the
exoplanet landscape will
no doubt have changed yet again.
Until then, all the
known exoplanets (planets circling other stars) were big and gaseous, but this one is probably made of rocky materials — the
first world like ours found in an alien solar system.
By next spring, the planet - hunting space telescope
known as Kepler — rejected by NASA three times but then approved after those initial detections of
exoplanets in the 1990s — will most likely report the discovery of the
first known Earth - like planet in an Earth - like orbit.
That's why, ever since astronomers confirmed the
first planet outside of our solar system in 1995, they have been looking for signs of water on the 200 - plus
exoplanets now
known.
Biomarker found in space complicates search for life on
exoplanets 02 October 2017 A molecule once thought to be a useful marker for life as we
know it has been discovered around a young star and at a comet for the
first time, suggesting these ingredients are inherited during the planet - forming phase.
This artist's concept shows Kepler - 421b, the
first known Uranus - sized transiting
exoplanet with the longest
known year, circling its star once every 704 days.
Since Omega Centauri is thought to be Kapteyn's star place of origin, scientists estimate that its planets must be approximately 11.5 to 12 billion years old, thus making Kapteyn b not only the oldest
known possibly habitable
exoplanet to date, but, along with Kapteyn c, the
first that might have originated from another galaxy, outside of the Milky Way.
The high precision of the Kepler space telescope has allowed us to detect planets that are the size of Earth and somewhat smaller, but no previous planets have been found that ar... ▽ More Since the discovery of the
first exoplanet we have
known that other planetary systems can look quite unlike our own.
Hubble observations made while it passed behind its primary star last December, reveal the hot Jupiter - like planet
known as HD 189733b is a deep cobalt blue in color, marking the
first time that the color of an
exoplanet has been measured.
The University of Exeter said today (May 15, 2017) that its researchers have taken their
first, tentative steps to explore the potential climate of the nearest
known exoplanet, Proxima b. We've
known about this planet for less than a year, since August, 2016..
teamed up with Massively Multiplayer Online Science (MMOS), the University of Reykjavík, University of Geneva and Michel Mayor — winner of 2017 Wolf Prize for Physics and discoverer of the
first exoplanet known to man.