Sentences with phrase «for astronomers since»

Its presence has been an intriguing mystery for astronomers since it is losing material to its central star at a rate that should have depleted it long ago.

Not exact matches

It could be a pulsar wind nebula, driven by the spinning neutron star, or pulsar, which astronomers have been searching for since 1987.

«We find no evidence of the orbit clustering needed for the Planet Nine hypothesis in our fully independent survey,» says Cory Shankman, an astronomer at the University of Victoria in Canada and a member of the Outer Solar System Origins Survey (OSSOS), which since 2013 has found more than 800 objects out near Neptune using the Canada - France - Hawaii Telescope in Hawaii.

Since then, astronomers have found thousands of these blinking collapsed stars, which have confirmed Einstein's theory of gravity and have been proposed as a kind of GPS for spacecraft (SN: 2/3/18, p. 7).

That's what researchers from the Space Telescope Science Institute (STScI) in Baltimore expected to find when they combined data on 458 GRBs discovered by satellites since 2007, a painstaking chore that no one had undertaken before, says Melissa Nysewander, a former STScI astronomer and a co-author of the study submitted for publication to The Astrophysical Journal.

At the Harvard - Smithsonian Center for Astrophysics, David Kipping has been thinking about finding faraway moons since 2007, before astronomers had the tools to detect them.

Since liquid water is critical to life on Earth, many astronomers believe the search for extraterrestrial life should focus on planets where liquid water occurs.

The star Mira (Latin for «astonishing»), located in the constellation Cetus, has captivated astronomers since its discovery in 1596 by German astronomer David Fabricius.

Since then, other astronomers had tried other methods of filtering out the star's noisy signal, and found that the evidence for planet Bb was inconclusive.

That's why, ever since astronomers confirmed the first planet outside of our solar system in 1995, they have been looking for signs of water on the 200 - plus exoplanets now known.

Astronomers have for the first time recorded the full force of the shock wave hurled from supernova 1987A, the brightest stellar explosion witnessed from Earth since the invention of the modern telescope.

Ever since the first exoplanets were discovered 2 decades ago, astronomers have been fascinated by super-Earths because we have no model for what they would be like.

Ever since the first exoplanet was discovered in 1996, astronomers have been scanning the heavens for another Earth: a rocky planet orbiting its star at just the right distance for it to harbor liquid water and thus, potentially, life.

And two space - based infrared observatories — the European Space Agency's Herschel Space Observatory, which has been gathering data since last year, and NASA's James Webb Space Telescope, scheduled to launch in 2014 — will allow astronomers to search for the infrared signatures of the specific icy radicals that Weaver's model predicts.

Since 1998, Mike Brown, Chad Trujillo of Gemini North Observatory, and astronomer David Rabinowitz of Yale University have used the 48 - inch Samuel Oschin Telescope at Palomar Mountain in Southern California to scan the Kuiper belt and beyond for objects two - hundredths the brightness of Pluto.

This limits competition among members who may be applying for the same fellowships, grants, and jobs — a problem we struggled with, since two group members and a spouse were astronomers on the job market at the same time.

Ever since the discovery was declassified in 1973, astronomers have been trying to come up with an explanation for them.

Since the postwar period, these OSPs in astronomy have been common U.S. practice, and while they have mostly been ius non scriptum, they have been alluded to in reports of the NSF's Division of Astronomical Sciences, 8 and largely followed by federally funded agencies (NASA's Hubble Space Telescope, for example, among the most expensive U.S. astronomical facilities, 9 is open to any astronomer in the world10).

Since joining the Observatory in 1989, Sue Ann has pioneered immersive, hands - on field trip opportunities such as the Radio Astronomer for a Day program that has served over 30,000 students.

This invisible stuff poses a big challenge for astronomers: Since we can't see it, we can't measure it directly.

Terzan 5 resembles a globular cluster — it has been classified as such for the last 40 years since its detection — but astronomers have now discovered that it is not like other globular clusters known so far.

For the first time since Pluto's discovery in 1930, astronomers at last see directly see details on the surface of the solar system's farthest known planet...

Since I have been an amateur astronomer for so long I debated if I should get this course thinking I would not learn much from it.

In recent radio surveys at Parkes astronomers looking for new pulsars also found a new type of pulsed object since called Fast Radio Bursts (FRBs).

Although they did not find any dark GRBs that originated in the early universe (such as the subsequently discovered GRB 090423), the astronomers were able to estimate that ancient GRBs probably account for only around 0.2 to 0.7 per cent of all gamma - ray bursts detected since their initial discovery.

Quasars (short for quasi-stellar radio sources) have been objects of intrigue for astronomers ever since they were first detected in the 1960s.

Quasars — quasi-stellar radio sources — have been objects of intrigue for astronomers ever since they were first detected in the 1960s.

Since that first summer with teachers, the Observatory has offered Radio Astronomer for a Day to students in grades 5 - graduate school!

Since then, astronomers have become increasingly a ware of the risk of future impacts, and major efforts are underway to discover and calculate the orbits for all asteroids larger than 1 km wide.

The area of Dublin Bay has been inhabited by humans since prehistoric times, but the writings of Ptolemy (the Greco - Roman astronomer and cartographer) in Signup for FREE to No Strings Attached Ireland to connect with women seeking men for naughty, casual, NSA adult dating and adult friend finder hookups.