Not exact matches
SPHERE's main goal is to
find and characterise
giant exoplanets orbiting nearby stars by direct imaging [1].
«It is likely the banded structure and large atmospheric waves we
found in brown dwarfs will also be common in
giant exoplanets,» Apai said.
Researchers expect to
find water on many planets outside the solar system, called
exoplanets, including Jupiter - size gas
giants such as HD 189733 b and HD 209458 b, which orbits a different star.
The first
exoplanets found were gas
giants orbiting close to their stars — a study suggests they could be built from collisions of several smaller planets
Most of the first
exoplanets found were hot Jupiters: gas
giants that orbit close to their stars.
Until these
findings by Dr Southworth's team, the only previous detections of
exoplanet atmospheres all involved gas
giants reminiscent of a high - temperature Jupiter.
Water is not only a key ingredient in supporting life, it's also a major clue as to how planets form, and NASA has
found a lot of the stuff in the atmosphere of a
giant exoplanet called Wasp - 39b.
I'm still holding out for the news that reads: «Second Earth
Found» -[this
exoplanet] will have all the right ingredients: orbit its star inside the habitable zone, spectroscopic analysis will reveal a nitrogen - rich atmosphere, evidence of water, roughly the same mass as our planet and it will belong in a system with a couple of gas
giants shepherding the outer system.
Before Kepler, plenty of Jupiter - sized worlds could be seen, but with its precision eye for spotting the tiniest of fluctuations of star brightness (as a small
exoplanet passes between Kepler and the star), the space telescope has
found that smaller
exoplanets outnumber the larger gas
giants.
This is the first time titanium oxide has been detected in the atmosphere of a gas
giant exoplanet, and the
finding should help astronomers develop a better understanding of the composition and processes going on in the atmospheres of these distant worlds.
An international team1 led by Alexandre Santerne from Instituto de Astrofísica e Ciências do Espaço (IA2), made a 5 - year radial velocity3 campaign of Kepler's
giant exoplanet candidates, using the SOPHIE4 spectrograph (Observatory of Haute - Provence, France), and
found that 52,3 % were actually eclipsing binaries5, while 2,3 % were brown dwarfs6.