Sentences with phrase «more ancient galaxies»
Ellis, his PhD student Dan Stark and their colleagues trained one of the world's biggest telescopes, the Keck 2 atop Hawaii's Mauna Kea, to scan light grazing massive clusters of closer galaxies [see image above], which focused the light coming from more ancient galaxies behind them and magnified it 20 times in a process called gravitational lensing.
https://www.scientificamerican.com/ Not exact matches
These can reveal distant, ancient galaxies whose light has been stretched by the universe's expansion to more than triple its initial wavelength.
Far fewer tidy spirals existed in the ancient era, and far more galaxies boasted peculiar, unclassifiable shapes.
A distant, ancient galaxy far more massive than our own formed all its stars in less than half a billion years
Just as London and Paris are built on more ancient Roman or even older remains, our Milky Way galaxy also has multiple generations of stars that span the time from its formation to the present.
Aging red giant stars coexist with their more plentiful younger cousins, the smaller, white, Sun - like stars, in this crowded region of our galaxy's ancient central hub, or bulge.
What is more, the most ancient galaxies appeared to have the highest concentrations of molecular gas.
Two super-Earths have been detected around Kapteyn's Star (an orphan star torn from an ancient dwarf satellite galaxy of the Milky Way), one within its habitable zone (more).