Sentences with phrase «very faint stars»

«You can see bulges in distant galaxies, but you can not resolve the very faint stars, such as the white dwarfs.

One is that it is in the form of brown dwarfs, very faint stars made of the same kind of baryonic material as our Sun.

«It has a very large field of view to quickly map the sky and great sensitivity, enabling us to look at very faint stars.

Sketch the scene and note the very faint star that changes position nightly.

Not exact matches

This is an extremely challenging task as such planets are both very close to their parent stars in the sky and also very much fainter.

But even at this distance, it is very challenging to obtain good images of the faint reflected light from discs, since they are outshone by the dazzling light of their parent stars.

However, the predicted «intracluster» glow of stars is very faint and was therefore a challenge to identify.

We usually use it to look for very faint planets in the close vicinity of nearby stars, by painstakingly observing them one by one,» said Pueyo.

The faint spot close to the brighter brown dwarf star may be the very first real image of an exoplanet.

Based on the infrared signature of the faint light, they found to their surprise that the glow seems to be created by second - and third - generation stars — stars created out of gas and dust that has been cooked in the hearts of very large, short - lived stars.

«It's very difficult to see these faint moving objects in front of thousands and thousands of background stars,» Parker says.

Astronomers studying distant objects call these stars «foreground stars» and they are often not very happy about them, as their bright light is contaminating the faint light from the more distant and interesting objects they actually want to study.

As for the distant future, astronomers dream of an infrared counterpart to Gaia, which would be able to peer through the Milky Way's dust cloud into its very center, and also would excel at detecting and measuring faint red and brown dwarf stars in the solar neighborhood.

The fact that they found none heavier than 18 times the Sun's mass suggests these heavier stars may not produce supernovae, or that they only produce very faint ones that are too dim to detect, the team says.

Extreme adaptive optics also allows much fainter objects to be seen very close to a bright star.

The earliest oxygen - deficient galaxies are so far away and so faint as to be nearly undetectable, but relatively close - by star - forming dwarf galaxies, with very little oxygen like early galaxies, may be easier to detect and offer the same clues.

«Though these galaxies are very faint, their increased numbers means that they account for the majority of star formation during this epoch,» said team member Anahita Alavi, a Ph.D. graduate student in Siana's lab, and the first author of the research paper.

But Kepler has difficulty identifying smaller planets because the stars that it examines tend to be extremely faint, which makes it very difficult to confirm discoveries with ground - based telescopes.

The light from 51 Eridani b is very faint; its nearest star is 3 million times brighter.

Astronomers are stuck with such indirect methods of detection because current telescope technology struggles to image very distant and faint objects - especially when they orbit close to the glare of a star.

«We were able to separate the light of the faint planet from the light of the much brighter star and to see that they were both growing and glowing in this very distinct shade of red.»

This extremely faint star system of two, very small and dim, red dwarf stars is located only about 14.2 light - years away.

The same curve also showed that there were very few faint white stars.

But reporters sometimes overlook the fact that all this means is that Kepler will measure a very faint dip in starlight when the planet passes in front of its parent star.

«Through new techniques we have been able to measure the movements of the stars in the very distant, very faint, stellar stream in the Umbrella,» Foster said.

We are now seeing planets in the blackness around other stars, very much in the same way he discovered the faint moon companions around Jupiter.

NASA's search for planets outside of our solar system has mostly involved very distant, faint stars.

What I'm trying to find are very faint objects that reflect and re-emit the light from a host star nearby.

NGC 188, a very old open cluster (estimated 5 billion years old), showed only 10 to 20 faint stars.

Snellan said this will be very difficult, because the planet is very faint compared to its parent star.

The cluster galaxies are typically very faint, about 10 million times fainter than the faintest stars visible to the naked eye on a dark night.

Not only are these planets intrinsically faint, they also orbit very bright host stars.

Messier included the object in his catalogue with the following description: «Very faint nebula, discovered in Sagittarius; its center is brilliant & it contains no star, seen with an achromatic telescope of 3.5 feet [FL].