Sentences with phrase «years of observations by»

35 Average northward range shift, in miles, of 305 North American bird species, according to a 2009 National Audubon Society analysis of 40 years of observations by bird - watchers.

This research provided «some good clues that we were going in the right direction,» says Blackburn, «but it took years and years of observations by lots of scientists before the puzzle pieces were put together to form a real picture of what happens.»

Thanks to years of observations by the versatile probe, astronomers now know Saturn as intimately as macaroni knows cheese.

The Northern hemisphere as a whole had «exceptionally low» snow cover for April and May of this year, and the count for the three spring months of March, April and May was the lowest in 50 years of observation by Rutgers University Snow Lab.

Not exact matches

Robert Goddard in 1920 was the first to describe what a heat shield was based upon observations of meteors and their core temperature however it took 31 more years for the heat shield to be developed by H. Julian Allen at the Ames Research Center.

The point is you speak of things as FACT and then something changes by 14 BILLION YEARS in a distance of 347 miles from the Earth observation to Orbit, and you just say OH well that's science for ya.

Thus Polanyi concludes that, «When Einstein discovered rationality in nature, unaided by any observation that had not been available for at least fifty years before, our positivistic textbooks promptly covered up the scandal by an appropriately embellished account of his discovery.»

During the whole course of this year, when I almost unceasingly kept asking myself how to end the business, whether by the rope or by the bullet, during all that time, alongside of all those movements of my ideas and observations, my heart kept languishing with another pining emotion.

Arsenal is, by most measurables and casual observations, going through the darkest stretch of Wenger's 22 - year reign as boss and, as rival clubs continue to move further ahead of them in all operational aspects, it appears the decision to remove the manager rests solely with a Board that has shown a complete inability to do what's right and just for the club's immediate and long - term future.

Completed over four years of observation, journaling by Waldorf teachers and writing, the research is our first, peer - reviewed research on the effectiveness of the Waldorf approach to assessment (without standardized testing.)

Dec 28, 2017 Dr Haiman, I was struck by the truth of your observations; I am married to a 62 year old man who was taken away from his «parents» when he was between the ages of 2 - 21/2.

I find that parents are at an advantage over other professionals since you have years - worth of observations to go by.

The Central Regional Director of the NCCE, Nicolas Ofori Boateng who made the observation, said the situation had influenced voter turnout at district level elections over the past years, as the electorates had lost confidence or felt betrayed by the assembly members.

The election observation mission is led by a 32 - year old, inexperienced member of the European Parliament (MEP).

Following a three - year study that involved about 3,000 teachers, analysts said the most accurate measure of a teacher's effectiveness was a combination of classroom observations by at least two evaluators, along with student scores counting for between 33 percent and 50 percent of the overall evaluation.

Interviewed by Investigative Post Editor Jim Heaney in front of an audience of 144, Arbetter offered pointed observations on Gov. Andrew Cuomo, a frequent guest until a year ago on The Capitol Pressroom.

Support for the measure came from a confluence of events and trends, including some trenchant observations by women writers during the last year or so.

«Based on the findings and observations enumerated in paragraph (5)- (viii) as well as series of facts and figures available to this Honurable House, the sum of N34, 988,990,000.00, which was approved and released as bailout loan to the State Government of Osun by the Federal Government of Nigeria in the year 2015, was judiciously utilized.»

I struck up a conversation with him in which he mentioned how helpful the City of Buffalo had been this year by loaning Tonawanda its «eye in the sky,» the mobile raised observation platform.

By tracking the changes in velocity and position of this extra emission over the years of the observations, they were able to show that it is orbiting around the young star.

Observations of young stars that are still surrounded by their gas disks demonstrate that those similar in size to our own Sun often undergo periodic explosive bursts, about 100 years in duration, during which the star's luminosity increases.

That's the conclusion reached by Louise Barrett at the University of Lethbridge in Alberta, Canada, who studied 11 years of observations from a baboon troop in De Hoop Nature Reserve, South Africa.

Observations made by NASA's Chandra X-ray Observatory reveal gas diving into four small black holes within a few light - years of the galaxy's core, where thousands of other hidden holes may also orbit.

Based on his group's observations, Moss argues that the increase in body size of marine bivalves throughout the Phanerozoic, the current geologic eon stretching back more than 540 million years, should be accompanied by a shift to faster growth and a shorter lifespan.

The spins line up in an eerie way too, according to observations published last year by astronomer Stephen Slivan of the Massachusetts Institute of Technology (MIT) in Cambridge.

Gravitational waves formed by binary supermassive black holes take months or years to pass Earth and require many years of observations to detect.

A Voyage to the Moon — a satirical account of a space voyage, often cited as the first science fiction story — was written by the real Cyrano de Bergerac in 1649, just 40 years after Galileo's first telescopic observations of the moon.

Observations made between 2002 and 2009 show that the time between transits is shortening by 60 milliseconds per Earth year, say Elisabeth Adams of the Massachusetts Institute of Technology and colleagues (Astrophysical Journal, vol 721, p 1829).

A new observation of gravitational waves, announced by scientists with the Advanced Laser Interferometer Gravitational - Wave Observatory, LIGO, follows their first detection, reported earlier this year (SN: 3/5/16, p. 6).

The first observation of Robert Brown and the subsequent explanation by Albert Einstein are already more than a hundred years old: Robert Brown observed the random, irregular dithering movement of pollen in a liquid.

Schlichting's group found just a single occultation, caused by a KBO approximately one kilometer in diameter, in 4.5 years of observations.

A team led by Andreas Eckart (University of Cologne, Germany) has observed the region using ESO's Very Large Telescope (VLT)[1] over many years, including new observations during the critical period from February to September 2014, just before and after the peribothron event in May 2014.

As Stephen C. Riser and M. Susan Lozier note in their February 2013 Scientific American article, «Rethinking the Gulf Stream,» «A comparison of the Argo data with ocean observations from the 1980s, carried out by Dean Roemmich and John Gilson of the Scripps Institution of Oceanography, shows that the upper few hundred meters of the oceans have warmed by about 0.2 degree C in the past 20 years.

Now, 5 years and several gravitational wave observations later, a neutron - star merger that Messick helped spot by analyzing gravitational wave signals is Science's 2017 Breakthrough of the Year.

One, a group of Fermi researchers led by Johann Cohen - Tanugi of Montpellier University in France and Jan Conrad and Maja Llena Garde, both of Stockholm University in Sweden, looked at two years» worth of observations of 10 dwarf galaxies.

Image: A mussel shell engraved by Homo erectus between 540,000 and 430,000 years ago Credit: Wim Lustenhouwer, VU University Amsterdam Source: Kate Wong's World's Oldest Engraving Upends Theory of Homo sapiens Uniqueness on Observations These scratches may not look like much but they predate the existence of our species, Homo sapiens, and upend any claim -LSB-...]

Observations of atmospheric carbon dioxide made by aircraft at altitudes between 3 and 6 kilometers (10,000 - 20,000 feet) show that seasonal carbon dioxide variations have substantially changed during the last 50 years.

Upon closer examination of the data — compiled from nearly 500 hours of observation by the 64 - meter Parkes radio telescope in Australia — a team led by astronomer Duncan Lorimer of West Virginia University in Morgantown estimated that the blast actually came from about 3 billion light - years away.

Some of this debris was thought to lurk within a few light - years of the sun and generate x-rays that have been detected by space probes and ground - based observations.

Boyle says scientific observations will start by the end of the year with the first results likely within 12 months.

By comparing the models to recent observations of clusters in the Milky Way galaxy and beyond, the results show that Advanced LIGO (Laser Interferometer Gravitational - Wave Observatory) could eventually see more than 100 binary black hole mergers per year.

By making observations for a second Mars year and during different parts of the solar cycle, the scientists will be better able to distinguish among these effects.

«We would like to tackle these unresolved problems by using the new X-ray observations by ASTRO - H, planned to be launched early next year, and by more sensitive future X-ray satellites, together with multi-wavelength observations of ULXs and SS 433,» he said.

Observations made by Peter van de Kamp of the Sproul Observatory at Swarthmore College over a period of 40 years suggest that Barnard's star is accompanied by at least two dark companions, each with about the mass of Jupiter.

To verify this bounty of planets, a research team co-led by Jack Lissauer, planetary scientist at NASA's Ames Research Center in Moffett Field, Calif., analyzed stars with more than one potential planet, all of which were detected in the first two years of Kepler's observations — May 2009 to March 2011.

The problem is exacerbated by the lack of an adequate replacement for a pair of Earth - observation satellites, the Orbiting Carbon Observatory and Glory, which failed on launch in the past two years.

At the moment, Kaiser says, the trailing STEREO orbiter sees areas of the sun that will be visible from Earth in about three days, but in two years» time the twin spacecraft will be separated by 180 degrees, allowing simultaneous observation of the entire sun for the first time.

Observations by Zach Berta - Thompson at the University of Colorado at Boulder last year hinted that GJ 1132b was surrounded by a cloud of neutral hydrogen — a sign it was losing its gas to space, which may render it uninhabitable.

The data come from more than 150 years of bird - introduction records — including government reports, scientific papers, and observations by local experts — which were collected and analyzed as part of a European program called Delivering Alien Invasive Species Inventories for Europe.

A team led by astronomer Paul Kalas of the University of California, Berkeley, detected a planetary candidate orbiting Fomalhaut, a star 25 light - years away in the constellation Pisces Australis (the Southern Fish), using visible - light observations from the Hubble Space Telescope.