Sentences with phrase «even planets orbiting their stars»

Not exact matches

«This also allows for searches for transmitters that are many orders of magnitude less powerful than those that would be detectable from a planet orbiting even the most nearby stars.»

«It might even have consequences for life on planets orbiting binary stars.»

Among the 1,900 - and - counting confirmed alien planets found so far, we've seen everything from bizarro, jumbo versions of Jupiter in scorchingly tight orbits to exoplanets dozens of times farther out than Neptune, and even worlds circling two stars, like Tatooine in Star Wars.

Many planets outside the solar system are even more massive than Jupiter, and they orbit their Sun - like stars at an Earth - like distance, but these faraway super-Jupiters are effectively giant gas balls that can not support life because they lack solid surfaces.

They even found an example of binary planets where two planets orbit each other in the absence of a parent star.

That parts - per - million sensitivity should allow Corot to detect the dips in a star's light caused by a transiting planet with a radius just twice that of Earth — and perhaps an even smaller one, provided its orbit is tighter than Mercury's, so that the planet completes three transits during the 150 - day viewing period.

Even if many other stars have solar systems too, planets that happen to orbit in just the right place to support life could be pretty rare.

Those stellar explosions can have lethal effects on planets orbiting stars even tens of light - years away.

The much - anticipated James Webb Space Telescope — often referred to as Hubble's successor — for example, will likely only study worlds that hug their host stars, making observations of planets with wider orbits like Mars or even Earth out of the question.

By measuring those rising and falling «light curves,» Kepler will give astronomers valuable information about planets orbiting other stars — including exoplanets in far - out orbits that other techniques can't detect — and even free - floating planets that don't orbit stars at all.

This is because their intense magnetic activity interferes with the light emitted by the star to a far greater extent than a potential giant planet, even in a close orbit.

And if any planets similar to these orbit in their parents stars» habitable zone, substantially farther from the home star where liquid water might more likely exist, their atmospheres will lose even smaller amounts of hydrogen - bearing compounds over time, the researchers note.

Even though many of the planets orbit their stars very closely and have high temperatures, which in turn causes their hydrogen - rich atmospheres to expand and a fraction of the gases to escape the planet over time, it's unlikely that the planets will lose enough of their atmosphere to become rocky bodies like Earth, the researchers report online today in the Monthly Notices of the Royal Astronomical Society.

Over a simulated interval of 200 million years, the inner planet slowly migrated even farther inward to become a «warm Jupiter» orbiting its parent star at about the same distance Mercury does in our solar system, the researchers report online today in Science.

And even then, the planet would have to orbit a special kind of star, a white dwarf, for the CFCs to show up.

If they were nearly the same, this would suggest that the cause was something opaque, like an orbiting disk, planet, or star, or even large structures in space» said Wright, who is a co-author of the paper, titled «The First Post-Kepler Brightness Dips of KIC 8462852.»

According to Weaver, the size of our sun, the region of the galaxy in which it formed, even how long it took for the planets to form — all these characteristics are different in other star systems and may influence the chemical inventory available to any Earth - like planets orbiting there.

From even just a few light - years away in our own little corner of the Milky Way, a planet in an orbit comparable to Earth's would be too close to its star for even the Hubble to see them as two distinct objects.

If this happens, the star could deflect some of the comets sunward, so that they might cross Earth's orbit or even hit the planet itself.

Likewise, even if a planet orbits within the so - called Goldilocks zone surrounding its parent star where conditions are neither too hot nor too cold, its atmosphere may be hostile to life, a new study suggests.

Measuring the dimming of starlight as a planet crosses the face of its star during orbit, scientists can collect a wealth of information, even without ever seeing those worlds directly.

The failure, thus far, to find large substellar objects like brown dwarfs or a Jupiter - or Saturn - class planet in a «torch» orbit (closer han the Mercury to Sun distance) around 107 Piscium — with even the highly sensitive radial - velocity technique of Geoffrey W. Marcy and R. Paul Butler — bodes well for the possibility of Earth - type terrestrial planets around this star (Cumming et al, 1999).

While TESS looks for planets orbiting dwarf stars from space, the SPECULOOS survey will be looking at even smaller and dimmer stars from the ground.

Some of these planets orbiting low - mass stars could experience very slow water loss that could last up to the lifetime of the star, which could allow habitable conditions to persist even during a moist or runaway greenhouse.

Kiang found that «plants» on Earth - like planets orbiting stars somewhat brighter and bluer than the Sun might look yellow or orange, and even look bluish by reflecting a dangerous overabundance of more energetic blue light.

Earth - size may not mean habitable The team, which also included planet hunter Geoffrey Marcy, UC Berkeley professor of astronomy, cautioned that Earth - size planets in Earth - size orbits are not necessarily hospitable to life, even if they orbit in the habitable zone of a star where the temperature is not too hot and not too cold.

But planets orbiting dimmer, cooler red dwarf stars might be at the right temperature for life even if they are so close.

In 1996, astronomers announced the discovery of a Jupiter - like planet around this Sun - like star (Butler and Marcy, 1996 — details below), and there were indications of an even larger planet in an outer orbit.

Enough observations would allow an orbit to be calculated, but even two observations should make a planet more likely than a distant star if (relative) motion is detected.

«Tau Ceti has been a popular destination for science fiction writers and everyone's imagination as somewhere there could possibly be life, but even though life around Tau Ceti may be unlikely, it should not be seen as a letdown, but should invigorate our minds to consider what exotic planets likely orbit the star, and the new and unusual planets that may exist in this vast universe,» says Pagano.

TrES - 5 orbits one of the faintest stars with transiting planets found to date from the ground and demonstrates that precise photometry and followup spectroscopy are possible, albeit challenging, even for such faint stars.

In 1996, astronomers announced the discovery of a Jupiter - like planet around this Sun - like star (Marcy and Butler, 1996 — details below), with indications of an even larger planet in an outer orbit.

Although planet b orbits Tau Boötis A quite closely, this star is even hotter than Sol (as an F spectral type).

It was believed that the formation of two or more stars would hardly leave enough mass remaining to cohere into planets, and that even if those planets were created, the gravitational pull of a close second star would expel them from their orbits — either by shoving them out of the system or pulling them to fall into one of the stars.

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.

GJ 1214 is a red dwarf star with one known planet in a hot inner orbit, beyond even the inner edge of the star's close - in habitable zone, as imagined by Aguilar with two hypothetical moons (more).

Scientists have discovered a planet a lot like Jupiter orbiting a dim star, if you can even call it a star — it's nothing like our sun.

Now, researchers have begun to take an even closer look and investigate the possibility of planets orbiting the individual stars of multiple - star systems.

The failure, thus far, to find large substellar objects like brown dwarfs or a Jupiter - or Saturn - class planet in a «torch» orbit (closer than the Mercury to Sun distance) around Xi Boötis A — with even the highly sensitive radial - velocity methods of Geoffrey W. Marcy and R. Paul Butler — bodes well for the possibility of Earth - type terrestrial planets around this star (Cumming et al, 1999).

The smallest planet orbits Kepler - 33, a star older and more massive than our Sun, Sol, which also had the most detected planet candidates at five (ranging in size from 1.5 to 5 times that of Earth) in uninhabitable, hot inner orbits closer to their star than even Mercury around our Sun (NASA Kepler news release; and JPL news release).

Studies conducted by our group have also shown that exoplanets orbiting really close to their host star have very dynamic atmospheres, meaning that they change continuously, producing clouds of different sizes, even whole cloud systems, all over the planet's surface.

Some of the research covered in the documentary includes scientists who are identifying and characterizing planets orbiting other stars (the other planets in our solar system would likely be more trouble than they're worth to make comfortable, the film argues); an engineer building a rocket fueled by plasma, the same charged particles found in our sun; and a team building a fleet of robots that could construct habitats before humans even arrive at their destination.

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.

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.