Sentences with phrase «pair of astronomers»

But in 1992 a pair of astronomers turned up 1992 QB1, a body about 200 kilometers wide circling the sun at a distance of about 6.5 billion kilometers, well beyond Neptune's orbit.
But a pair of astronomers are now putting the question of what defines a galaxy to a public vote, in the hope of reaching a consensus and avoiding the sort of controversy that surrounded Pluto being stripped of its status as a planet.

Not exact matches

In 1974, U.S. astronomers Russell Hulse and Joseph Taylor discovered a pair of radio - emitting neutron stars called pulsars orbiting each other.
Early this year astronomers with the Sloan Digital Sky Survey released the largest color image of the universe ever made, a trillion - pixel set of paired portraits that covers one - third of the night sky.
Decades passed before astronomical technology verified that idea: It wasn't until 1979 that astronomers detected a real - life example of a gravitational lens in the double image of a quasar — side - by - side glimpses of a galaxy's blazing heart, resembling a pair of oncoming headlights.
Venus orbits the Sun, but not exactly on the same plane as the Earth, so it only passes directly between us and the Sun — what astronomers call a transit; think of it as a «mini-eclipse» — every century or so (and then, due to the odd dance of gravity, it happens in pairs separated by 8 years).
NASHVILLE, TENNESSEE — Astronomers have peered deeper than ever into the chaos of a pair of colliding galaxies, revealing a nest of stars exploding like fireworks.
Observations of the trio demonstrate that swirling jets can help astronomers find hidden black hole pairs.
The cuddled - up pair are closer to each other than any other known black hole duo, providing astronomers a first peek at the final stages of a possible collision.
Kepler 47: Strangest Sky Many stars in our galaxy exist in pairs, and astronomers had suspected that the competing pull of two stars would make it difficult for planets to form.
Galaxies of similar size to the Sombrero Galaxy may offer astronomers their first glimpse of a pair of supermassive black holes merging.
A 21 - year study of a pair of ancient stars — one a pulsar and the other a white dwarf — helps astronomers understand how gravity works across the cosmos.
In 1974, astronomers Russell Hulse and Joseph Taylor detected a binary pulsar, a pair of two dead stars emitting pulses of radio waves.
No collisions have been observed directly, but astronomers have found several pairs of black holes that are very close to each other, including some that are orbiting each other and some that seem to be on course for a collision.
A SCIENCE - FICTION scene could be playing out for real about 4900 light years from Earth, where astronomers have spotted the first known pair of planets jointly orbiting a binary star system (Science, doi.org/h8h).
The pairing of otherwise phenomenally rare galaxies suggests that they reside within a particularly dense region of the universe at that period in its history, the astronomers said.
The pair, discovered by astronomer William Herschel in 1784, form part of the Virgo Cluster, a gravitationally bound collection of nearly 2000 individual galaxies.
In a pair of papers in the 1 November issue of Astrophysical Journal Letters, radio astronomer Nichi D'Amico of the Bologna Astronomical Observatory in Italy and his colleagues report that the pulsar's faint radio blips disappear during nearly half of its orbit, presumably eclipsed by a shroud of gas from its companion.
Also in this Hubble image is another pair of probably interacting galaxies — they are hiding to the right of NGC 5256 in the far distance, and have not yet been explored by any astronomer.
Astronomer George Djorgovski of the California Institute of Technology in Pasadena used adaptive optics on the 10 - meter Keck telescope, also on Mauna Kea, to reveal orbiting pairs of black holes in 16 distant galaxies.
The case for dark matter began in the 1930s with a pair of papers by two very different kinds of geniuses, the buttoned - down Dutch astronomer Jan Oort (who also hypothesized the Oort Cloud of comets) and the explosive Swiss - American cosmologist Fritz Zwicky.
The pulsational pair instability scenario requires a star more massive than anything ever seen in the universe, says astronomer Shrinivas Kulkarni of the California Institute of Technology in Pasadena.
In January an international team of astronomers confirmed that one of the largest black holes in the universe is paired with a much smaller partner nearby — the first definitive observation of black holes in a close binary system [subscription required].
This would trigger gigantically powerful supernovas, known to astronomers as «pair - instability» supernovas, which would have added their own, slightly different mix of elements to interstellar gas clouds, and to stars that formed from them.
This pair of galaxies is named after the American astronomer Halton Arp, the creator of the Atlas of Peculiar Galaxies, a catalogue of weirdly - shaped galaxies that was originally published in 1966.
This is the first known example of a gravitationally bound pair of planetary mass objects, and astronomers can't agree on a name for them.
By harnessing the extreme sensitivity of the Atacama Large Millimeter / submillimeter Array (ALMA), astronomers have directly observed a pair of Milky Way - like galaxies seen when the universe was only eight percent of its current age.
Taking advantage of an unusual pair of nearby stars, astronomers have for the first time captured images of a magnetic field generated by a star other than our sun.
In 1974, radio astronomers Russell Hulse and Joseph Taylor, then of the University of Massachusetts Amherst, found just such a system: a pair of dense neutron stars in orbit around each other.
In 1996, two teams of astronomers announced the possible detection of a planetary transit eclipse of the close binary pair CM Draconis Aab (Guinan et al, 1998; Martin and Deeg, 1996; and Guinan et al, 1996).
In 1996, two teams of astronomers announced the possible detection of a planetary transit eclipse of the close binary pair CM Draconis Aab, which has yet to be confirmed (further details below).
Just last month, the collision of a pair of neutron stars was observed in both light and gravity through a joint effort involving thousands of astronomers on every continent in the world.
On March 11, 2013, an astronomer revealed the discovery of a pair of brown dwarfs within seven light - years of Sol.
Radio astronomer Robert Wilson recalls a pair of pigeons who almost thwarted the discovery of cosmic background radiation.
Feb. 17, 2016 — Astronomers have discovered an unnamed pair of stars that sets a new record for both the longest duration stellar eclipse (3.5 years) and longest period between eclipses (69 years) in a binary system.
Astronomers have traced the orbit through our Milky Way Galaxy of a voracious neutron star and a companion star it is cannibalizing, and conclude that the pair joined more than 30 million years ago and probably were catapulted out of a cluster of stars far from the Galaxy's center.
A team of astronomers using a pair of National Science Foundation radio telescopes has made the first measurements of the size and expansion of a mysterious, intense fireball resulting from a cosmic gamma ray burst last May.
He is a member of the survey team for the low - cost Kilodegree Extremely Little Telescope (KELT) system that consists of a pair of robotic telescopes designed to find exoplanets around bright stars operated by astronomers at Ohio State University, Vanderbilt University, Lehigh University and the South African Astronomical Observatory.
Using the supersharp radio «vision» of the National Science Foundation's Very Long Baseline Array (VLBA), astronomers have made the first detection of orbital motion in a pair of supermassive black holes in a galaxy some 750 million light - years from Earth.
Its well known and attractive, visual binary pair of a bright yellow star and a reddish - violet to pink companion was discovered in 1780 by Sir William Herschel (1738 - 1822), who was born Friedrich Wilhelm Herschel and subsequently discovered the planet Uranus in 1781 — which led to his appointment in 1782 as private astronomer to the King of England.
Astronomers have also found planets that orbit pairs of stars rather than single stars, and other planets orbiting «failed» stars called brown dwarfs that aren't mighty enough to produce light and energy (or carry out fusion) like normal stars do.
Astronomers used Spitzer's infrared vision to study a dusty disk that swirls around a pair of stars in the quadruple - star system HD 98800.
Using the supersharp radio «vision» of the National Science Foundation's Very Long Baseline Array, astronomers have made the first detection of orbital motion in a pair of supermassive black holes in a galaxy some 750 million light - years from Earth.
I learned this courtesy of a pair of online converters, one supplied by the U.S. Naval Observatory (because it's really astronomers who groove on this Julian thing — apart from Google, that is), and the other out of our own McMaster University.
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