Sentences with phrase «of known exoplanets»

The diversity of masses, sizes and orbits of known exoplanets has prompted recent efforts in the scientific community to explore the broad range of interactions that can exist between planets and their host stars.

So how did the team more than double the number of known exoplanets?

Following a gold rush of exoplanet discovery over the past two decades, it is time to tackle the next step: determining which of the known exoplanets are proper candidates for life.

The vast majority of known exoplanets have been indirectly detected by radial velocity, astrometry, transit, etc..

The explosion in the number of known exoplanets in recent years has made the study of them one of the most dynamic fields in modern astronomy.

Both qualify as quite small in the field of known exoplanets, in which most of the hundreds of worlds that have been discovered are giants larger than Jupiter.

In the past dozen years, however, numerous exoplanetary discoveries have been announced, including a suite of 30 new planets unveiled in October by the European Southern Observatory's HARPS planet - finding collaboration that boosted the full set of known exoplanets to more than 400.

The test is easy to implement and it could immediately classify 99 percent of all known exoplanets.

«Simpler way to define what makes a planet: New approach classifies 99 percent of all known exoplanets.»

Beatty's team targeted planet Kepler - 13Ab because it is one of the hottest of the known exoplanets.

Six years later, NASA launched Kepler and within five years, the number of known exoplanets ballooned to well over 1,000.

Not exact matches

The discoveries double the number of known potentially habitable exoplanets.

[1] Most of the exoplanets currently known were discovered using indirect techniques — such as radial velocity variations of the host star, or the dip in brightness of the star caused by a transiting exoplanet.

Many exoplanets searches have focused on sunlike stars in the hopes of finding an analog to our own solar system — unsurprising because it is the one system known to foster life.

Astronomers currently know of roughly 200 planets circling nearby stars, and more and more of these so - called exoplanets are discovered every year.

Many of those planets are among the most nearly Earth - size planets known: of the 25 smallest - diameter exoplanets discovered to date, all but one were spotted by Kepler.

The planet appears to be too hot and violent to support anything like life as we know it, but now that astronomers know how to study the atmosphere of one exoplanet, they are ready to try extending the technique to other, potentially more inviting worlds.

«The question whether so - called exoplanets are habitable or not is difficult to answer, as we do not know all the necessary conditions a planet has to fulfill in order to be habitable,» said Yann Alibert of the Center for Space and Habitability (CSH) at the University of Bern.

Prior scrutiny of the typical star Gliese 876 had rustled up two Jupiter - size companions, and further research revealed a third body, dubbed Gliese 876 d, pegged at 7.5 Earth - masses — the smallest - mass exoplanet then known.

Of the 52 potentially habitable exoplanets identified so far, 51 have a known distance from Earth, and 13 have the greatest chance of being life - friendlOf the 52 potentially habitable exoplanets identified so far, 51 have a known distance from Earth, and 13 have the greatest chance of being life - friendlof being life - friendly.

This research will contribute to a once - per - decade report on the field of astrophysics, produced by the National Academies, that NASA uses to help chart a course for future missions, some of which could continue the search for planets around other stars, known as exoplanets.

Marcy is one of the principal investigators on NASA's Kepler space telescope, which is responsible for the discovery of most of the nearly 2000 exoplanets known today, and has been tipped for a Nobel prize for his work in the field.

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.

Johnson and his colleagues used data from the exoplanet - hunting Kepler spacecraft to analyse the composition of stars known to have planets.

Both next - gen telescopes will help us get to know exoplanets even better, perhaps even detecting the signatures of life — if it exists.

Exoplanet research has gone beyond the point of finding planets — more than 3000 exoplanets are now known — to looking for chemical markers that might indicate the potential presence of life.

Roughly 2,000 known worlds orbit diverse locales throughout the Milky Way, and there's one thing the exoplanets have in common: None of them have names.

This exciting prediction is subject to uncertainty as the dates of exoplanet discoveries are only known to the year.

NESSI will focus on about 100 exoplanets, ranging from massive versions of Earth, called super-Earths, to scorching gas giants known as «hot Jupiters.»

The pros: Just by looking at the exoplanet's taxonomic species name, someone in the know would glean loads of information.

Data from the Kepler space telescope show that exoplanets tend to be similar in size to their neighbours and regularly spaced, no matter the size of their star

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.

PLATO will search for exoplanets using what is known as the transit method, which simply involves measuring the dimming of the light from a star as a planet passes in front of it.

That is how 51 Pegasi b — known as a «hot Jupiter» because of its size and closeness to its star — and hundreds of other exoplanets have been found.

Unlike chilly Jupiter, this exoplanet is one of the hottest known of the hot Jupiters, with a dayside temperature of nearly 5,000 degrees Fahrenheit.

The team's models revealed that, while apparently cloud - free exoplanets showed strong signs of water, the atmospheres of those hot Jupiters with faint water signals also contained clouds and haze — both of which are known to hide water from view.

The smallest, coolest exoplanet known to host water is roughly the size of Neptune, astronomers report in the Sept. 25 Nature.

Recent observations of extrasolar planets suggest that Mercury's structure might not be unique: the two smallest exoplanets whose densities are known, Kepler - 10b and Corot - 7b, are also far denser than expected, suggesting they share Mercury's orange - like structure.

These discoveries add eight new exoplanets signals to the previous total of 17 already known around such low - mass dwarfs.

Nonetheless, it weighs in the neighbourhood of several Earths, which puts it in the running for the lightest exoplanet known to orbit a normal star.

NASA's Hubble Space Telescope has detected a stratosphere, one of the primary layers of Earth's atmosphere, on a massive and blazing - hot exoplanet known as WASP - 33b.

Among the 155 known exoplanets, the new world joins a tiny subset that may consist mainly of rock.

But exoplanet researcher Sara Seager, a Massachusetts Institute of Technology astrophysicist who did not participate in the new study, notes that «we don't really know» what GJ 1214 b is made of; a number of ingredient distributions would account for the planet's observed density.

The new world is of fairly average size, but it is the most temperate exoplanet yet whose properties are well known in orbit around a sunlike star.

This discovery marks a significant increase in the number of known small - sized planets more akin to Earth than previously identified exoplanets, which are planets outside our solar system.

When it comes to big balls of rock, exoplanet BD +20594 b might have all other known worlds beat.

Of the more than 300 other known exoplanets, all have been detected indirectly by their effects on their parent stars — either a wobble in induced by the object's orbit or a decrease in detected light from the star as the planet passes in front of iOf the more than 300 other known exoplanets, all have been detected indirectly by their effects on their parent stars — either a wobble in induced by the object's orbit or a decrease in detected light from the star as the planet passes in front of iof it.

In a new study a team of researchers in Germany, Poland and Bulgaria has used transit timing of a known massive exoplanet to identify a hypothetical, much smaller companion.

For example, as Kepler has spotted 1,235 exoplanet candidates so far - 53 of which orbit stars in their habitable zones - knowing approximately how many stars there are in our galaxy (there are thought to be around 300 billion stars in the Milky Way), an estimate can be made of how many worlds are orbiting these stars.