Sentences with phrase «by astronomers today»
It is this instrument that is mainly used by astronomers today.
http://astro-canada.ca/
This was feasible by the advent of Atacama Large Millimeter Array (ALMA), located on a mountaintop plateau in Chile, which works in tandem to detect electromagnetic waves at a wavelength range in the millimeter (pivotal for studying molecular gas) and a sensitivity level that is just starting to be explored by astronomers today.
Not exact matches
Today astronomers measure how much dark matter a cluster of galaxies may have by observing how the cluster bends light from more distant objects.
By the 1840s, the «Uranus problem» was widely considered one of the outstanding astronomical questions of the era, in much the way that dark matter and dark energy perplex astronomers today.
Most astronomers believe that they grew to the enormous sizes that we can observe today by feeding mostly on interstellar gas from its surroundings, which is unable to escape its gravitational pull.
«The ALMA data reveal that AzTEC - 3 is a very compact, highly disturbed galaxy that is bursting with new stars at close to its theoretically predicted maximum limit and is surrounded by a population of more normal, but also actively star - forming galaxies,» said Dominik Riechers, an astronomer and assistant professor at Cornell University in Ithaca, New York, and lead author on a paper published today (Nov. 10) in the Astrophysical Journal.
But the new twins, known collectively as Par 1802 and located 1500 light - years away, contain one member that is brighter and hotter than the other, a team of astronomers led by Keivan Stassun of Vanderbilt University in Nashville, Tennessee, reports today in Nature.
In a study published online today in the Proceedings of the National Academy of Sciences, astronomers analyzing 63 hot Jupiters (depicted above) detected by NASA's Kepler spacecraft have found no planets comparable in size to Earth orbiting nearby.
The find — made by the Atacama Large Millimeter / submillimeter Array (ALMA)-- could help astronomers understand how early galaxies grew into the ones we observe today.
The finding, by an international team of astronomers, including Professor Geraint Lewis from the University of Sydney's School of Physics, is announced today in Nature.
Meanwhile, astronomers had another chance of observing a stellar occultation by Pluto today, with telescopes at Mauna Kea, Hawaii.
Although such flares would be fatal in today's solar system, astronomers think they actually sustain the survival of newborn planets elsewhere by keeping them from spiraling into their parent stars.
Most astronomers believe that they grew to the enormous sizes that we can observe today by feeding mostly on interstellar gas from their surroundings, which is unable to escape the immense gravitational pull.
Today, astronomers continue to unveil the complex chemical composition of star - forming regions by exploring the rich data set collected with the Herschel Space Observatory.
Today, some astronomers prefer to refer to Star A as HD 10307, as it is listed in the Henry Draper (1837 - 82) Catalogue with extension (HDE), a massive photographic stellar spectrum survey carried out by Annie Jump Cannon (1863 - 1941) and Edward Charles Pickering (1846 - 1919) from 1911 to 1915 under the sponsorship of a memorial fund created by Henry's wife, Anna Mary Palmer.
Astronomers recognize that the densest gas cloud seen in the universe today would have to be thousands of times more compact to form stars by gravitational collapse.
Today, most astronomers probably refer to this star by its designation of «Gl 438» in the famous Gliese Catalogue of Nearby Stars (CNS, now ARICNS database) of Wilhelm Gliese (1915 - 93).
Today, however many astronomers refer to this star by its designation as Gliese (Gl) 433 in the first Gliese Catalogue of Nearby Stars (CNS, now ARICNS database) of Wilhelm Gliese (1915 - 93), who was a longtime astronomer at the Astronomiches Rechen - Institut at Heidelberg (even when it was at Berlin).
We know today's GRS was described by American astronomer Carr Walter Pritchett in 1878, but some believe it's the same «permanent spot» observed by Italian astronomer Gian Domenico Cassini in 1665 [sources: Encyclopaedia Britannica; Clavin; Daniels].
By exploiting both ground - and space - based telescopes, therefore, astronomers today can combine observations from across the spectrum, which has produced a previously hidden and extremely captivating picture of the Universe (Figure 3 and Figure 4).
The Cambridge findings are being jointly released today with the results of a separate survey by astronomers with the Dark Energy Survey, headquartered at the US Department of Energy's Fermi National Accelerator Laboratory.
Today, many astronomers refer to this star as HD 156668, as designated in the Henry Draper (1837 - 82) Catalogue with subsequent extension (HDE), a massive photographic stellar spectrum survey carried out by Annie Jump Cannon (1863 - 1941) and Edward Charles Pickering (1846 - 1919) from 1911 to 1915 under the sponsorship of a memorial fund created by Henry's wife, Anna Mary Palmer.
Today is the first day of summer — also known by astronomers, scientists, and mathematicians as the Summer Solstice.
Stars, planets, and galaxies that can be seen today are estimated to be only roughly 4 percent of the universe with the other 96 percent composed of dark matter and other elements astronomers are forced to quantify by inference.