Sentences with phrase «billions of faint stars»

Those highlights are set against a backdrop of billions of faint stars and galaxies.

Not exact matches

This array will, it is said, be able to detect the faintest energy emanating from distant stars — billions of light years from the earth.

The idea is to blot out the light of a star and zero in on a small planet, right next to it in the sky and 10 billion times fainter (at visible wavelengths) than it.

A certain kind of exploding star, called a supernova, turned out to be fainter than expected in the distant past, indicating that the universe is ballooning at an ever - faster rate, and has been for nearly half of its 13.8 billion - year existence.

NASA's Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago.

A habitable world would be a faint dot lost in the overpowering glare of its larger, 10 billion times brighter star.

These small, faint systems made up of millions or billions of stars, dust, and gas constitute the most common type of galaxy observed in the universe.

At that wavelength an Earth - like planet would glow like a lightbulb, although it would still appear millions of times fainter than its sunlike star — but that's still better than billions of times fainter, as it would be in visible light.

Testing the model has been tough because groupings of stars at distances of 8 billion to 11 billion light - years away from us are so faint that they tend to vanish into the background glow of Earth's atmosphere.

Examples of science projects enabled by the data in the High - Latitude Survey include: mapping the formation of cosmic structure in the first billion years after the Big Bang via the detection and characterization of over 10,000 galaxies at z > 8; finding over 2,000 QSOs at z > 7; quantifying the distribution of dark matter on intermediate and large scales through lensing in clusters and in the field; identifying the most extreme star - forming galaxies and shock - dominated systems at 1 < z < 2; carrying out a complete census of star - forming galaxies and the faint end of the QSO luminosity function at z ~ 2, including their contribution to the ionizing radiation; and determining the kinematics of stellar streams in the Local Group through proper motions.

Viewed from another star, our Earth's reflected light would be 10 billion times fainter than the Sun itself, with an orbit that separates the Earth from the Sun by a tiny fraction of an arcsecond.

This is so narrow, just a few foreground stars in our Milky Way galaxy are visible and are vastly outnumbered by the menagerie of far more distant galaxies, some nearly as faint as 30th magnitude, or nearly four billion times fainter than the limits of human vision.