Sentences with phrase «more luminous the star»

Just like the GJ436b, these might have been hot Neptunes orbiting around more luminous stars which would have circulated in their atmosphere that ended up leaving the rocky centre of the planet bare.

The longer the period, she found, the more luminous the star.

Then as now, astronomers estimated the distances to galaxies by studying Cepheid variables, an unusual class of stars whose brightness rises and falls predictably: The longer the period of variation, the more luminous the star.

The longer the pulsation period of one of these yellow supergiants, the more luminous the star; so measuring the period determines the star's true, or intrinsic, brightness.

Not exact matches

Named PH1, the planet goes around two of the four stars, shown close - up here: One is a yellow - white F - type star that is slightly warmer and more luminous than our sun; the other, at the 11 o'clock position, is a red dwarf, cooler and dimmer than the sun.

Deneb is tied with Orion's foot star, Rigel, as the most luminous bright star in the heavens — a white supergiant, more dazzling than the famous red variety.

But if the star is much farther away than that, it is far more luminous than previously believed — and then the dimming could be a return to normalcy after a merger, as Metzger's team has suggested.

In particular, the CDF - S source is likely associated with the complete destruction of a neutron star or white dwarf, and is roughly 100,000 times more luminous in X-rays.

Named V838 Monocerotis, it was more luminous than normal novae — at peak brightness, it briefly rivaled the most powerful stars in the Galaxy.

More than just Orion's brightest star, Rigel is among the most luminous objects in the galaxy, shining with the light of 55,000 suns.

The pressure of starlight from the star, which is 23 times more luminous than the Sun, then expelled the dust far into space.

A total of 6481 stars are plotted and every one of them is more than a hundred times more luminous than the Sun.

The temperature of the shell rises; the star becomes more luminous; and it finally approaches the top of the giant domain on the Hertzsprung - Russell diagram.

While the Sun produces energy at the rate of about two ergs per gram per second, a more luminous main - sequence star can release energy at a rate some 1,000 times greater.

Our substellar companions appear both non-coeval with their primary stars according to evolutionary models and, as a group, are systematically more luminous than the Upper Sco cluster sequence.

«The galaxy we have observed, EGS8p7, which is unusually luminous, may be powered by a population of unusually hot stars, and it may have special properties that enabled it to create a large bubble of ionized hydrogen much earlier than is possible for more typical galaxies at these times,» Sirio Belli, a Caltech graduate student who worked on the project, said, in the statement.

The one GOOD thing about these direct hits would be ELIMINATION of thick Hydrogen envelopes around these types of planets when these envelopes were HEATED by MUCH MORE LUMINOUS HOST STARS to the point where the envelopes FILLED the planets» Hill spheres.

The prospects for the habitability of M - dwarf planets have long been debated, due to key differences between the unique stellar and planetary environments around these low - mass stars, as compared to hotter, more luminous Sun - like stars.

The more numerous faint stars are still in the process of collapsing under their own gravity, but have become hot enough in their centers to be self luminous bodies.

Yet, the full star formation and enrichment history of a galaxy can be traced directly only if two key observables can be determined... ▽ More Red giant stars are perhaps the most important type of stars for Galactic and extra-galactic archaeology: they are luminous, occur in all stellar populations, and their surface temperatures allow precise abundance determinations for many different chemical elements.

Planet f initially looks more promising, but modeling the evolution of the star makes it seem probable that it has only moved into the habitable zone recently as Tau Ceti has gotten more luminous over the course of its life,» explains astrophysicist Michael Pagano, ASU postdoctoral researcher and lead author of the paper appearing in the Astrophysical Journal.

The more luminous a galaxy, the more mass it possesses (see How Stars Work).

With over 40 Solar - masses, extremely high luminosity, a variable spectra, and surrounding ejecta, it is classified as a Luminous Blue Variable like Eta Carinae, as an extremely large star that are now often regarded as the evolutionary link between main - sequence O stars and the more evolved, smaller but similarly explosive, Wolf - Rayet stars.

The larger a star (i.e., more massive) is, the more luminous it is (luminosity = mass3).

Likewise, if two stars are the same temperature but different sizes, then the large star will be more luminous than the small one.

The star is ten times the size of the Sun and 61 times more luminous.

Epsilon Piscium is an orange giant star belonging to the stellar class K0 III, slightly larger and more luminous than the Sun.

Clusters of luminous, young blue stars can be seen to have formed in and around the dark, gas - and dust - rich band that bisects the «Hamburger Galaxy» (more).

Our Luminous Primer is the unsung and unseen hero of your makeup bag: more of a behind - the - scenes coordinator that hangs backstage while everyone else plays a starring role (looking at you, Poppy Lipstick).

«The Fabulous Baker Boys» isn't the most scintillating screenplay, and its runaway box office success probably says more about the year it was released than the film itself, but it's a wonderfully sumptuous throwback to the grand glamour of old - school Hollywood — and none of its stars were ever quite as luminous, before or since.

Well, Noah Baumbach does, and if you consider that his «Frances Ha» lavishes its gorgeous monochromes on contemporary New York and the luminous countenance of Greta Gerwig (his star, current g.f. and co-writer), you might suspect that Baumbach's latest owes more than a tiny debt to Woody Allen's «Manhattan.»

Wonder Woman «s focus on luminous positivity in the face of the great darkness of World War One, as well as the ease in which its central team play off each other stands out even more when its lead character stars in something as flat - footed as this.

Something worth noting is that the address for this new page in Bungie's site is Alpha Lupi, which is the name of the brightest star in the constellation Lupus, being around 25,000 x more luminous than our own sun.