Sentences with phrase «one's host planet»

There are more pairs of stars than solo stars in our galaxy, but fewer pairs host planets.

Forgan and his co-authors found that when galaxies collide, the habitable zone is transformed and then gradually settles back to its general trend: Stars at larger distances from the galactic center have higher chances of hosting planets hospitable to life.

More massive stars are more likely to host planets more massive than Saturn, but this correlation may not exist for smaller planets.

How many stars like our Sun host planets like our Earth?

NASA's Kepler space observatory has shown that almost all red dwarf stars host planets in the range of one to four times the size of Earth, with up to 25 percent of these planets located in the temperate, or «habitable,» zone around their host stars.

«On the 20th anniversary year of the discovery that proved other suns host planets, the Kepler exoplanet explorer has discovered a planet and star which most closely resemble the Earth and our Sun,» John Grunsfeld, associate administrator of NASA's Science Mission Directorate, is quoted as saying.

Stars with a metal content as low as a quarter of the sun's can host planets between one and four times the size of Earth, the team found (Nature, DOI: 10.1038 / nature11121).

With a mass and size approximately one - third that of the Sun, and an abundance of heavy elements less than 10 percent solar, Kapteyn's Star was, as most red dwarfs, historically seen as a poor candidate for hosting any planets and habitable environments.

«A larger fraction of stars may host planets too small for us to detect.»

Four years ago, astronomers reported in Nature that another star in this group — Alpha Centauri B — hosts a planet roughly as massive as Earth.

They wondered if these multi-star systems might also host planets.

Its ultimate goal was to come up with a single number: The fraction of stars like the sun that host planets like Earth.

Churchill's essay next assesses the probability that other stars host planets.

Why is our moon 1/4 the size of of the earth, since all other known planets have moons that are comparably small in relation to its host planet?

Schmidt points to an irony, however: if a civilization is able to find a more sustainable way to produce energy without harming its host planet, it will leave behind less evidence that it was there.

Is it possible to detect an industrial civilization in the geological record once it disappears from the face of its host planet?

The authors show how the developmental paths should be strongly tied to interactions between the species and its host planet.

They then measured the likelihood of each one producing its current orbit in the event that its host planet was responsible for ejecting the hypothetical planet, an incident which would have caused significant disturbance to each moon's original orbit.

And if the moon — like ours — always showed the same face to its host planet, then for half the population the planet would be permanently visible in the sky, Fabrycky says.

The moon's host planet, a gas giant about the size of Uranus, hangs huge in the sky as always, its churning storms a constant sight for the inhabitants below.

Many young stars known to host planets also possess disks containing dust and icy grains, particles produced by collisions among asteroids and comets also orbiting the star.

• It is possible for natural objects to orbit moons, though the host moon must have sufficient mass that its Hill sphere is large enough to keep the orbiter within its grasp despite the draw of the host planet.

A moon could also make its host planet more likely to harbor life.

Observers on Earth would see a brief flash because the sail and its host planet, star and galaxy are all moving relative to us.

The general consensus among planetary scientists is that accretion is extremely unlikely to produce moons more than a few ten - thousandths the mass of their host planet.

These streams mean that more metallic stars — the kind more likely to host planets — that were thought to lie near the galactic core could find their way edgeward, suggests Jorissen.

Physicist Dejan Vinković, of the University of Split in Croatia calls the paper exciting, but he says it's still unclear exactly why stars that host planets have low lithium levels.

If these scenarios are correct, stars with low levels of lithium should be more likely to host planets.

In today's issue of Nature, a team led by Garik Israelian of the Instituto de Astrofisica de Canarias in Spain's Canary Islands surveyed 46 stars in our galactic neighborhood that host planets, along with 116 stars where so far no planets have been detected.

The results tantalize astronomers with the prospect that objects not much larger than Jupiter could host planets of their own.

In addition to its unusual origins, the host star is puzzling because it has fewer elements heavier than hydrogen and helium than any other star known to host a planet.

The surfaces of some moons in the outer solar system have been reworked as well, but unlike Pluto, those satellites are under the influence of gravity from a host planet.

Some scientists have argued that this makes globular cluster stars less likely to host planets.

«Exomoons are hard to detect because moons are typically much smaller than their host planets and thus typically don't affect the transit eclipse light changes, except if the moon is large as in the case of this system,» Edward Guinan, a professor of astronomy and astrophysics at Villanova University, told Gizmodo.

There are several ways to search for planets, one of which is measuring the radial velocity, or the «wobble» of the star due to the gravitational pull of a host planet.

The authors of a study published November 4 in the Proceedings of the National Academy of Sciences now conclude that between 14 and 30 out of every 100 stars with a mass and temperature similar to the sun may host a planet that could support life as we know it.

These oceans can be kept warm despite their great distance from the Sun because of gravitational interactions between the moons and their host planet, and they might support the kind of life found in deep sea vents on Earth.

Observers on Earth would see a brief flash because the sail and its host planet, star and galaxy are all moving relative to us,» CfA said in a statement released Thursday.

The magnification of a source (open red circle) by a lens star (yellow star) that hosts a planet (purple dot).

On every host planet it always plays out exactly the same way.

Schmidt points to an irony, however: if a civilization is able to find a more sustainable way to produce energy without harming its host planet, it will leave behind less evidence that it was there.

Is it possible to detect an industrial civilization in the geological record once it disappears from the face of its host planet?

«We are killing our host the planet Earth,» he claimed and called for a population drop to less than 1 billion.