Not exact matches
The first - ever direct
detection of gravitational waves, our top story in 2016, launched a long - dreamed -
of kind
of astronomy capable
of «unlocking otherwise unknowable secrets
of the cosmos,»
as physics writer Emily Conover puts it.
The publication follows months
of debate
as to whether or not the researchers were justified in claiming a
detection of gravitational waves (SN:...
This
detection is important because it marks the beginning
of a new era
of «multi-messenger»
as well
as «multi-wavelength» space exploration — an era when
gravitational -
wave detectors are triggering a global network
of other types
of instruments to focus their special
detection powers simultaneously on one fleetingly explosive point in space.
As with previous
detections of gravitational waves, the scientists used their measurements to test general relativity.
All the previous
gravitational -
wave detections since the first in September 2015 had been the result
of two merging black holes — objects much more massive than a neutron star — which have left only
gravitational waves as fleeting clues
of their merger.
The publication follows months
of debate
as to whether or not the researchers were justified in claiming a
detection of gravitational waves (SN: 6/13/14).
Two
detections of gravitational waves caused by collisions between supermassive black holes should be possible each year using space - based instruments such
as the Evolved Laser Interferometer Space Antenna (eLISA) detector that is due to launch in 2034, the researchers said.
Through these efforts, astronomers are attempting to understand recently discovered phenomena such
as the first
detections of gravitational waves from neutron star collisions and the accompanying electromagnetic fireworks
as well
as regular stars being engulfed by supermassive black holes.
Other cosmic phenomena such
as supernovae in the Milky Way and colliding neutron stars in our galactic neighborhood should also produce detectable
gravitational waves, each with their own accompanying revolutionary insights, but so far all three
of LIGO's
detections have been death - rattles from merging pairs
of black holes in remote stretches
of the universe.
«Fundamentally, the
detection of gravitational waves was a huge deal,
as it was a confirmation
of a key prediction
of Einstein's general theory
of relativity,» Bullock said.
This year astronomy was the focus
of the Nobel Prize in Physics,
as three astronomers two
of whom are faculty members at one
of our parent institutions, the California Institute
of Technology were recognized for four decades
of work leading to one
of the great discoveries
of modern astronomy, the
detection of gravitational waves.
Officially known
as the Laser Interferometer
Gravitational - Wave Observatory, LIGO previously announced the detection of gravitational waves in February 2016 and June 2016 (although those events were actually recorded in September 2015 and December 2015, r
Gravitational - Wave Observatory, LIGO previously announced the
detection of gravitational waves in February 2016 and June 2016 (although those events were actually recorded in September 2015 and December 2015, r
gravitational waves in February 2016 and June 2016 (although those events were actually recorded in September 2015 and December 2015, respectively).
The first direct
detection of gravitational waves occurred in mid-September 2015 (but announced February 11, 2016) with twin LIGO detectors in Hanford, WA and Livingston, LA (both USA) when ripples
of spacetime from the last fraction
of a second
of the merger
of two black holes with masses 29 and 36 solar masses combined to form a 62 - solar mass black hole with 3 solar masses
of energy radiated away
as gravitational waves in that last fraction
of a second.
A Caltech Feynman Professor
of Theoretical Physics, Emeritus, Co-founder
of the Laser Interferometer
Gravitational Wave Observatory (LIGO), and a recipient of the Nobel Prize for his instrumental role in the first direct detection of ripples in spacetime known as gravitational waves, Dr. Thorne's work is making history and ushering in an exciting new era
Gravitational Wave Observatory (LIGO), and a recipient
of the Nobel Prize for his instrumental role in the first direct
detection of ripples in spacetime known
as gravitational waves, Dr. Thorne's work is making history and ushering in an exciting new era
gravitational waves, Dr. Thorne's work is making history and ushering in an exciting new era in astronomy.
Brian O'Reilly, one
of the lead scientists at the Livingston location
of the
gravitational wave detection facility known
as LIGO, was just beginning his day.
The requirements
of gravitational wave detection as a whole are so extreme that the system designed around the laser improves its frequency and power stability by a factor
of 100 million for the LIGO experiments.