Search For "gravitation"
Hubble finds ghost light among galaxies stretches far back in time
Updated : 3 years, 2 months ago IST
In giant clusters of hundreds or thousands of galaxies, innumerable stars wander like lost souls, emitting a ghostly haze of light. These stars are not gravitationally tied to any one galaxy in a cluster.
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Research team reveals new details about Io's volcanoes of Jupiter
Updated : 3 years, 2 months ago IST
VLA teams up with Juno spacecraft to study Jupiter's atmosphere, and ALMA reveals new details about Io's volcanoes.
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Research explores possibility of life beyond Earth
Updated : 3 years, 3 months ago IST
For millennia, caves have served as shelters for prehistoric humans. Caves have also intrigued scholars from early Chinese naturalists to Charles Darwin. A cave ecologist has been in and out of these subterranean ecosystems, examining the unique life forms -- and unique living conditions --
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Supernova in distant space allows us to understand the origin of elements
Updated : 3 years, 4 months ago IST
A supernova is a stellar explosion, which occurs when the lives of some really massive stars come to an end. In this violent epilogue, the star expels the material from its outer layers by means of a shock wave, allowing us to see the various elements it was composed of.
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Astronomers discover 'cataclysmic' star pair with shortest orbit yet
Updated : 3 years, 5 months ago IST
Washington [US], October 6 (ANI): Astronomers at MIT and elsewhere have discovered a stellar binary, or pair of stars, with an extremely short orbit, appearing to circle each other every 51 minutes. The system seems to be one of a rare class of binaries known as a "cataclysmic variable," in
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Disturbances in adjacent dwarf galaxies suggest different gravity hypothes
Updated : 3 years, 7 months ago IST
Washington [US], August 7 (ANI): According to the standard model of cosmology, the vast majority of galaxies are surrounded by a halo of dark matter particles. This halo is invisible, but its mass exerts a strong gravitational pull on galaxies in the vicinity. A new study challenges this vie
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Moon's orbit proposed as gravitational wave detector: Research
Updated : 3 years, 11 months ago IST
Barcelona [Spain], March 19 (ANI): A new research has proposed using the variations in distance between the Earth and the Moon, which can be measured with a precision of less than a centimetre, as a new gravitational wave detector within a frequency range that current devices cannot detect.
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Astronomers offer new theory about mysterious location of massive stars
Updated : 4 years, 1 month ago IST
Atlanta (Georgia) [US], February 3 (ANI): A star's life begins with the gravitational collapse of a gaseous nebula of material composed primarily of hydrogen, along with helium and trace amounts of heavier elements. Now, astronomers from Georgia State University have found an explanation for
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Study finds gravitational action of sun, moon influence animals, plants
Updated : 4 years, 2 months ago IST
Washington [US], January 8 (ANI): A team of international researchers has shed light on the fact that the rhythms of activity in all biological organisms, both plants, and animals, are closely linked to the gravitational tides created by orbital mechanics of the Sun-Earth-Moon system.
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Gravitational action of sun and moon influences behaviour of animals and p
Updated : 4 years, 2 months ago IST
Brasilia [Brazil], January 5 (ANI): The rhythms of activity in all biological organisms, both plants and animals, are closely linked to the gravitational tides created by the orbital mechanics of the Sun-Earth-Moon system. This truth has been somewhat neglected by scientific research but is
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Study uncovers secrets of ultra-low frequency gravitational waves
Updated : 4 years, 4 months ago IST
London [UK], October 19 (ANI): New methods of detecting ultra-low frequency gravitational waves can be combined with other, less sensitive measurements to deliver fresh insights into the early development of our universe, according to researchers at the University of Birmingham.
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Scientists detect gravitational waves for first time from black holes swal
Updated : 4 years, 8 months ago IST
Washington [US], June 29 (ANI): For the first time, scientists detected gravitational waves caused by mergers between black holes and neutron stars. The team of researchers detected the two gravitational-wave events--from distances of more than 900 million light-years away--within a span of
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