The agency's Kepler space telescope had found a pair of Saturn - sized
planets orbiting a star now dubbed Kepler - 9, more than 2,000 light - years from Earth.
Not exact matches
Oh, so in the vast known Universe, which reaches out for 15 BILLION light years in all directions, with over 100 BILLION galaxies, containing an average of 100 BILLION
stars each, with most of those
stars now thought to have multiple
planets orbiting around them, you can't imagine that there would be at least ONE little
planet SOMEWHERE with the right conditions for life without divine intervention?
Astronomers conducting a galactic census of
planets in the Milky Way
now suspect most of the universe's habitable real estate exists on worlds
orbiting red dwarf
stars, which are smaller but far more numerous than
stars like our Sun.
Astronomers
now think that passing
stars or interactions between two large
planets may spawn these wacky
orbits.
Planets orbiting stars outside the Solar System are
now known to be very common.
Now, however, discoveries of potentially habitable
planets orbiting stars other than our sun — exoplanets, that is — are challenging that geocentric approach.
And the ones
now being found in distant galaxies — such as a November discovery, a
planet orbiting star HD 209458 in the constellation Pegasus — are assigned dry strings of numbers and letters.
Astronomers
now know of around 4000
planets in
orbit around other
stars.
Astronomers have
now teased out that secret: a
planet in a 3 - day
orbit that transits, or crosses in front of its
star.
We are
now pretty certain that there are billions of Earth - like
planets in our galaxy — rocky worlds about the same size as ours,
orbiting similar
stars at similar distances.
Astronomers using the TRAPPIST - South telescope at ESO's La Silla Observatory, the Very Large Telescope (VLT) at Paranal and the NASA Spitzer Space Telescope, as well as other telescopes around the world [1], have
now confirmed the existence of at least seven small
planets orbiting the cool red dwarf
star TRAPPIST - 1 [2].
I'm confident that we'll detect signs of life on exoplanets (
planets around other
stars) by observing the atmospheres of the
planets that we're detecting
now — especially those similar to Earth in mass and
orbit — and finding oxygen and other chemical signatures there.
He comments: «Until
now we have struggled to explain how pebbles can come together to form
planets, and yet we've
now discovered huge numbers of
planets in
orbit around other
stars.
Now, Hippke and Heller show that a combination of the
stars» gravity and radiation pressure from their photons can bring the craft into a stable
orbit around one of the
stars, then around the tantalising
planet (Astrophysical Journal Letters, doi.org/bx8t).
Using Hubble and the Keck Observatory, two teams of astronomers have
now found that the system consists of a Uranus - sized
planet orbiting about 370 million miles from its parent
star, slightly less than the distance between Jupiter and the sun.
Given that the presence of one close -
orbiting planet usually indicates the presence of others, many astronomers are
now expected to devote more resources to detecting such potential
planets around
Star B (ESO press release; and Dumusque et al, 2012).
According to scientists, a very thick cloud of dusty debris
now orbits the
star in the zone where rocky
planets typically form.
In fact, they're so common that scientists
now think that
stars with
planets orbiting them are more the rule than the exception.
About 20 years have passed
now since the discovery of the first extrasolar
planet orbiting a solar type
star in 1995.
Even if such an
orbit were possible, any Earth - type
planets that
orbited Edasich during its youth would by
now have been burnt to a cinder, and possibly fallen into the
star from frictional drag with the giant
star's gaseous envelope.
By
now, moreover, any Earth - type
planets that
orbited Aldebaran A during its youth would have been burnt to a cinder, and possibly fallen into the
star from frictional drag with the giant
star's gaseous envelope.
Now, researchers have begun to take an even closer look and investigate the possibility of
planets orbiting the individual
stars of multiple -
star systems.
«This is the first exoplanet discovered with the Gemini
Planet Imager, one of the new generation instruments designed specifically for discovering and analyzing faint, young
planets orbiting bright
stars,» said Franck Marchis, Senior Planetary Astronomer at the SETI Institute and member of the team that built the instrument and
now conducts the survey.
Even if such an
orbit were possible, any Earth - type
planets that
orbited Aldebaran A during its youth would have been burnt to a cinder by
now, and possibly fallen into the
star from frictional drag with the giant
star's gaseous envelope.
Thanks to Kepler, the astronomy community
now thinks that every
star is
orbited by at least one
planet, and probably a lot more than one.
Now Kepler has found a whole system of
planets orbiting a double
star.
Now, remember that we postulated a very eccentric
orbit, this means that the tidal effect will vary greatly and be much larger when the
planet is closest to the
star, hence if tides can interfere with or perhaps even control generation of
star spots, then the generation of the activity would be synchronized with the orbital period of the
star.
Earth's heat source is a variable
star, a remnant of the supernova that ejected the material
now orbiting the Sun as
planets, moons, asteroids and meteors: