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.
Indeed, the burst appears to have occurred some distance
from the ancient galaxy.
Not exact matches
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.
But new observations
from NASA's Hubble Space Telescope have revealed
ancient stars mingled with the young ones, proving the
galaxy as a whole is in fact as old as its neighbors.
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.
But in my opinion, the fairest of them all is the Cosmic Horseshoe found in the Sloan survey in 2007: light
from an
ancient blue
galaxy draped 300 degrees around a red
galaxy 10 times heavier than the Milky Way.
Among the stunning shots taken this week were those of the Lagoon Nebula, about 3600 light years away
from Earth; the 47 Tucanae cluster of several million
ancient stars about 15,000 light years
from Earth; and the face - on barred spiral
galaxy NGC 6744 in the star - rich southern constellation of Pavo, about 30 million light years away.
That's exactly how two astronomers
from Seoul National University in Korea found an
ancient, relatively close
galaxy — by combing other researchers» leftovers.
STScI / NASA press releases: Hubble Makes the First Precise Distance Measurement to an
Ancient Globular Star Cluster Hubble Unmasks Ghost
Galaxies Deepest View of Space Yields Young Stars in Andromeda Halo Hubble Identifies Source of Ultraviolet Light in an Old Galaxy ESA press releases: Hubble Unmasks Ghost
Galaxies Four Unusual Views of the Andromeda Galaxy Public speaking: On the Trail of the Missing
Galaxies High - Level Science Products
from Large and Treasury Programs: GO - 9453: The Age of the Andromeda Halo (126 orbits) GO - 10265: The Formation History of Andromeda (107 orbits) GO - 10816: The Formation History of Andromeda's Extended Metal - Poor Halo (128 orbits) GO - 11664 / 12666: The WFC3 Galactic Bulge Treasury Program: Populations, Formation History and Planets (56 orbits) GO - 12549: The Formation History of the Ultra-Faint Dwarf
Galaxies (113 orbits)
ALMA can detect this dust
from the early Universe, which is present in the most distant and
ancient galaxies, thanks to submillimeter wavelengths.
R - process enrichment
from a single event in an
ancient dwarf
galaxy.
They are much older than other
galaxies, and because they're so
ancient, the light
from their stars is very dim.
A strange phenomenon called gravitational lensing has allowed astronomers to see this
ancient galaxy bigger and brighter than any others
from this distance.
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).
Flinthook puts you in the shoes of the the titular character - the
galaxy's smallest space pirate - and tasks you with stopping a malevolent treasure hunter
from unleashing an
ancient evil across the universe.
The Mass Effect trilogy follows the rise of Commander Shepard
from Alliance Marine to becoming the
galaxy's most elite soldier — the only soldier who can lead an all - out galactic war against an
ancient alien race known as the Reapers.
Frank O'Connor The weird issue with Halo — that the very first game starts with elements of an
ancient prophecy, and an all - powerful,
galaxy destroying weapon — is that it's really hard to build up
from there.
As for the stand - in for mass relays, instead there's
ancient Remnant technology
from a mysterious, advanced race that can cleanse a planet's atmosphere, acting as a new tool and source of technological intrigue that works well within the fiction of arriving in a hostile new
galaxy.
BioWare's Mass Effect trilogy is an epic space opera chronicling the adventures of Commander Shepard as she, or he, attempts to save humanity and the rest of the
galaxy,
from an
ancient race of deadly synthetic lifeforms.
Set in the year 2183, players take on the role of Commander Shepard, a soldier who must put together a team of intergalactic allies to stop the onslaught of an
ancient race of aliens
from wiping out all life in the
galaxy.
Chris Sanderson reviews Doctor Who: The Twelfth Doctor # 13... Earth is under attack
from an
ancient species who yoked suns and spanned
galaxies before we'd even evolved opposable thumbs.
BioWare's Mass Effect trilogy is the story of Commander Shepard, a tough - as - nails space - marine hero type who fights to save the
galaxy from an unstoppable wave of
ancient, sentient machine exterminators known as the Reapers.
Astronomers have produced one of the largest 3D maps of the young universe, where they pinpoint 4,000 early
galaxies from the
ancient past — many of which may resemble the Milky Way in its infancy.