Sentences with phrase «astronomers announced»
[MORE] The astronomers announced the observed abundance.
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On October 4, 2010, some astronomers announced that asteroid 21 Lutetia may be covered by a 2,000 - feet (600 - meter) deep layer of dusty debris generated by billions of years of meteorite impacts (Jonathan Amos, BBC News, October 4, 2010).
Using a unique capability of NASA's Hubble Space Telescope (HST) astronomers announced today that they have detected the rare element boron in an ancient star.
On March 4, 2014, a team of astronomers announced that analysis of new and older radial - velocity data from nearby red dwarf stars revealed a planet with a minimum of 32 (max 49) Earth - masses at an average orbital distance of 0.97 AU from host star Gl 229, with an orbital period around 471 days (UH news release; and Tuomi et al, 2014).
In 1997, a team of astronomers announced the tentative discovery of a giant planet companion «b» to Aldebaran A (more details below).
On 2007, a team of astronomers announced the discovery of a Neptune - class planet in an inner orbit, based on data from the HRS spectrograph on the Hobby - Eberly Telescope (Endl et al, 2008; and their web page on GJ 176 — more below).
On March 4, 2014, a team of astronomers announced that analysis of new and older radial - velocity data from nearby red dwarf stars revealed two super-Earths «b» and «c.» Planet b has around 4.4 (+3.7 / -2.4) Earth - masses and an average orbital distance of 0.080 (+0.014 / -0.004) AU from host star Gl 682.
On March 4, 2014, a team of astronomers announced that analysis of new and older radial - velocity data from nearby red dwarf stars revealed two super-Earths «b» and «c» with minimum earth - masses of 4.4 (+3.7 / -2.4) and 8.7 (+5.8 / -4.7), respectively, at average orbital distances of 0.080 (+0.014 / -0.004) and 0.176 (+0.009 / -0.030) AU, respectively, from host star Gl 682, with orbital eccentricities of 0.08 (+0.19 / -.08) and 0.010 (+0.19 / -0.10) and periods around 17.5 and 57.3 days, respectively (UH news release; and Tuomi et al, 2014).
On June 16, 2008, a team of astronomers announced at the 2008 Extra Solar Super-Earths Workshop in France their discovery of three «super-Earth» class planets in tight orbits around this star (ESO press release; Barnes et al, 2009; and Mayor et al, 2008 and 2009 — more details below).
In 2012, astronomers announced they'd found evidence for five planets between two and seven times the mass of the Earth, using the so - called radial velocity or «wobble» method, which measures the gravitational tug a planet exerts on its star.
On January 6, 2010, a team of astronomers announced their discovery of a «super-Earth» class planet in a tight orbit around this star (Keck press release and Howard et al, 2010 — more details below).
On March 26, 2014, astronomers announced the discovery of another dwarf planet in a highly eccentric orbit like Sedna.
On December 16, 2009, a team of astronomers announced the discovery of a super-Earth in an inner orbit using the «transit method» of planetary detection using «a fleet of ground - based telescopes no larger than those many amateur astronomers have in their backyards» as part of the MEarth Project (CfA news release).
During my senior year, astronomers announced new supernova results suggesting the existence of dark energy.
Last March, when a group of astronomers announced that they had detected faint swirls in the sky that almost certainly reflected undulations in the shape of the early universe, experts agreed it could be one of the greatest cosmological discoveries of all time.
In 2003, astronomers announced that they had discovered that iron from supernovae of the first stars (possibly from Type Ia supernovae involving white dwarfs) indicate that «massive chemically enriched galaxies formed» within one billion years after the Big Bang, and so the first stars may have preceded the birth of supermassive black holes (more from Astronomy Picture of the Day, ESA, and Freudling et al, 2003).
In 2005, astronomers announced that GRB 050709 and GRB 050509B may be have created by collisions involving two neutron stars (more from Chandra X-Ray Observatory) and ESO), but that the presence of a second flare by GRB 050724 was more likely to have been produced by a neutron star's merger with a black hole (ESO).
On December 1, 2010, a team of astronomers announced the results of the first analysis of the atmosphere of a super-Earth planet, GJ 1214 b, using the European Southern Observatory's Very Large Telescope.
In May 2002, astronomers announced an additional 11 moons for Planet Jupiter.
On January 13, 2003, astronomers announced the discovery of a methane brown dwarf companion to this nearby star (ESO and AIP joint press release and API press release in German — more below).
After ruling out the possibility of noise, the astronomers announced a second planet called K2 - 18c.
On March 29, 2000, astronomers announced the discovery of a Saturn - sized planet around this Sun - like star (NASA announcement and exoplanets.org — details below).
In August astronomers announced that the nearby star Proxima Centauri hosts an Earth - sized planet (called Proxima b) in its habitable zone.
In 1996, astronomers announced the discovery of a Jupiter - like planet around this Sun - like star (Marcy and Butler, 1996 — details below), with indications of an even larger planet in an outer orbit.
Astronomers announced on Wednesday that they had detected a planet orbiting Proxima Centauri, the closest neighbor to our solar system.
Radio astronomers announced that Venus had surface temperatures well above the boiling point of water!
On January 7, 2002, astronomers announced the discovery of a brown dwarf companion to this Sol - type star using direct imaging (see press release and graphics), whose mass and orbit were subsequently refined with 24 years of radial - velocity observations — Crepp et al, 2012, with more details below).
On January 8, 2002, astronomers announced the accidental discovery of a giant planet around this star (see UCSD or exoplanets.org press release and graphics, more details below).
In 1996, astronomers announced the discovery of a Jupiter - like planet around this Sun - like star (Butler and Marcy, 1996 — details below), and there were indications of an even larger planet in an outer orbit.
On June 16, 2008, a team of astronomers announced at the 2008 Extra Solar Super-Earths Workshop in France their discovery of one «super-Earth» type planet in a tight orbit around this star with two other gas giant planets in outer orbits (ESO press release and Bouchy et al, 2009).
On June 16, 2008, a team of astronomers announced at the 2008 Extra Solar Super-Earths Workshop in France their discovery of a «super-Earth» class planet in a tight orbit around this star with with two other gas planets in outer orbits (ESO press release and Bouchy et al, 2009 — more details below).
Between August 24 and September 18, 2006, two teams of astronomers announced the discovery and direct imaging of a brown dwarf companion to this star (press release; Luhman et al, 2006; and Mugrauer et al 2006 — more below).
In 2010, astronomers announced that parallaxes were used to successfully confirm that Star B is a stellar companion Upsilon Andromedae A (McArthur et al, 2010)..
On May 21, 2002, another team of astronomers announced the discovery of a stellar companion B in a wide orbit (Lowrance et al, 2002 — details below).
On July 11, 2007, astronomers announced that the presence of water molecules that are too hot to condense into clouds were detected in the planet's atmosphere (Spitzer press release and Tinetti et al, 2007 — more below).
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).
In May 2010, astronomers announced a 30 - degree difference in orbital inclination between planets «c» and «d» and indications of a fourth, outermost planet «e» (NASA news release; and McArthur et al, 2010 — more below).
On March 5, 2015, a team of astronomers announced that numerical simulations constrain the size of planetary candidate Alpha Centauri Bb (with orbital period P = 3.24 days; and semi-major axis a = 0.042 AU) to less than 2.7 Earth - masses at an inclination of 45 to 53 degrees relative to Stars» AB orbital plane (Plavchan et al, 2015).
On October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Chile.
At the January 2002, 199th Meeting of the American Astronomical Society in Washington, DC, two teams of astronomers announced that the cold dust in Vega's circumstellar disk is at least partly gathered into large clumps, in a characteristic shape that suggests the gravitational influence of a giant planet in an eccentric orbit (Abstracts for sessions 66.04 and 66.05, and CfA press release).
In late 2003, astronomers announced that the latest computer models indicate that the structure of a faint dust disk observed around Vega can be best explained by the presence of Neptune - sized and Jupiter - sized planets orbiting at distances roughly similar to those held by their apparent «cousins» in the Solar System (more discussion below — ROE press release).
On February 21, 2007, another team of astronomers announced that they had taken an infrared spectrum of the planet with the Spitzer Space Telescope (SSC news release; and CfA press release — more below).
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).
Between August 24 and September 18, 2006, two teams of astronomers announced the discovery and direct imaging of a spectral type - T, methane brown dwarf companion (T7.5 + / - 0.5) to this star (PSU press release; Luhman et al, 2006; and Mugrauer et al 2006).
On October 16, 2012, a team of astronomers announced the discovery of a planet with around 1.13 + / - 0.09 Earth - masses in a very hot and tight, circular orbit around Alpha Centauri B, using the European Southern Observatory's the High Accuracy Radial velocity Planet Searcher (HARPS) instrument on the 3.6 - metre telescope at ESO's La Silla Observatory in Chile.
Ever since astronomers announced the discovery of an Earth - sized exoplanet less than five light years down the cosmic street, the question on every good space cadet's mind has been whether or not we can colonize it.
When astronomers announced the discovery of seven Earth - sized planets orbiting the ultracool dwarf star TRAPPIST - 1, Earthlings immediately celebrated the possibility that one of those planetary neighbors could host life.
In 1998, two teams of astronomers announced, shockingly, that the expansion rate of space is increasing over time.
The planets made a splash in 1992, when astronomers announced them as the first extrasolar planets.
At today's session of the International Astronomical Union in Manchester, United Kingdom, astronomers announced that they have discovered 10 new planets orbiting stars other than our sun, bringing the total number to almost 50.