Sentences with phrase «previous observations have»

«Previous observations have pointed to large methane plumes being released from the seabed in the relatively shallow sea off the northern coast of Siberia, but the latest findings were made far away from land in the deep, open ocean where the surface is usually capped by ice.»

Previous observations have provided tantalizing, but weak hints of a small companion orbiting this red dwarf star, but this new campaign will make a more sensitive search for the telltale wobbles in the dwarf star's orbital motion that might reveal the presence of an Earth - like orbiting planet.

In fact, previous observations have found such collapsing gas motions to feed materials toward the central protostars.

«Previous observations have revealed the east - west elongation of the dusty gaseous torus.

Previous observations have shown loop oscillations caused by blast waves emanating from the flare, however this pushes the loops in a single direction.

Previous observations had suggested that lionesses employ a democratic approach to breeding; pridemates hunted and reared their cubs together, and none seemed to be reproducing more than her fair share.

Previous observations had suggested that very - low - frequency (VLF) radio waves (from 5 to 25 kilohertz) transmitted on Earth were helping to clear particles from the inner belt.

Previous observations had revealed that these filaments that stretch out from NGC 4696's main body encircle a bright centre, where an active supermassive black hole is feeding on dust and debris and heating up the surrounding gas to temperatures that make it glow white - hot.

Not exact matches

The rover's instruments have found no traces of the gas, in contrast to some previous observations made by Red Planet orbiters.

Thus the annual Human Rights Report of the U.S. State Department, mute the previous decade on discrimination and the occasional acts of violence against Christians, included in its January 1990 report the observation that «Christians have had difficulty in getting permission to build new churches» and that «Christians complain that there are barriers to Christians rising to high positions in public service, public corporations, universities and the military.»

Using the advanced mathematics of the period Burridan and Nicole Oresme (c. 1325 - 1382) amongst others had to conclude that previous ideas on motion and gravity introduced by Aristotle were false according to observation and reason.

From our previous studies we have found that people are inaccurate in their food observations and are biased to notice certain food items over others.

«In previous meetings, we had specifically raised observations on the state of preparedness of the member states, the credibility of the union if anchored on watered down criteria, and the continuing disparities between macroeconomic conditions in ECOWAS countries, amongst others.

This enriched interior debris hasn't been detected in previous observations, however, so next - generation telescopes may be needed to find the «missing» iron and confirm the origin of the bubbles.

Previous calculations have indicated any effect would be too small to account for dark energy, and would produce an acceleration that changes in time in a way that disagrees with observations.

The intensity of observations outstripped all previous astronomical finds, said astronomer Edo Berger of Harvard University at an October 16 news conference in Washington, D.C. «I don't think there has been anything like this before.»

Paula Stephan, a labor economist at Georgia State University in Atlanta and a member of the next generation committee, has described these arrangements and their effects in exacting detail in her book, How Economics Shapes Science, and a number of the previous reports and studies concur with her observations.

Previous research has suggested a connection between coal - burning and the Sahel drought, but this was the first study that used decades of historical observations to find that this drought was part of a global shift in tropical rainfall, and then used multiple climate models to determine why.

«Including a predawn area in the observation is useful because all the heating from the previous day's sunshine has reached its minimum there,» said THEMIS Deputy Principal Investigator Victoria Hamilton of Southwest Research Institute.

Although previous supernovas have been seen this early, the new observation is the earliest one with a spectrum — an accounting of the emitted light broken up by wavelength — taken six hours after the explosion, Yaron and colleagues report online February 13 in Nature Physics.

It would focus on the composition and thickness of the ocean, already reckoned to be briny and rich in magnesium salts following previous observations of seeps to the surface by other space probes flying nearby.

This is an important observation, because previous research — including Ross's own work — had used skull thickness as a proxy for density.

Previous evidence of similar plumes was reported in 2014 in Science, but after follow - up observations, those water vapor spouts seemed to have stopped — or were not there in the first place.

Previous observations, including by Charles Darwin, have suggested that elephants may manipulate their breath to reach inaccessible food, but there has been limited opportunity to test this behaviour in an experimental setting.

«We've never looked at these systems before with the sensitivity of Webb, so it's not unlikely that we could discover lower - mass planets that we weren't sensitive to in previous ground - based observations of these stars,» Hinkley says.

These dust particles have surprisingly diverse mineral content and structure as compared with models of interstellar dust based on previous astronomical observations.

Previous observations of other young star systems have helped to reshape our understanding of planet formation.

Previous observations of Nasty 1 have provided some information on the gas in the disk.

Yet from previous observations of its spectrum, combined withlots of theoretical calculations, astronomers have sketched a pictureof the intense activity in its nucleus.

The team's observations, as well as previous studies, haven't spotted any nascent planets inside the protoplanetary disk, she notes: Either those measurements haven't had high enough resolution to discern the objects, or it's too early in the star's evolution for such bodies to have formed.

In previous work, Gagné had argued that J2126 belonged with a different group of stars, but he says that the new observations have convinced him that TYC 9486 is its closest kin.

Previous methods for performing this type of tuning have either required extensive manual labor, or a large amount of very accurate observation data, which has limited the applicability of these models until now,» Doctoral student Antti Kangasrääsiö from Aalto University explains.

Isaacman - VanWertz picked pinene because it has been extensively studied, so he could use previous work to make sense of his observations.

Previous observations of this planet transit had to rely on space - borne telescopes.

That sad tale fits with previous observations of dwarf galaxies orbiting the Milky Way and having their matter stripped away.

Now Samantha Trumbo and Mike Brown at the California Institute of Technology have compared daytime observations of the anomalous spot with previous night - time ones made by Galileo (arxiv.org/abs/1708.07922).

Previous observations showed that plumes sometimes emerge from this region, and theory had suggested that the plumes are born when an extra-strong electric field from the sun rips material away.

Previous observations of other hot Jupiter - class planets (HD 189733 b and unpublished data for HD 209458 b) have found that their hot spots may be shifted slightly away from the closest point to the star, possibly due to strong winds moving hot, gaseous material around.

Two previous papers have confirmed Fomalhaut b's existence as derived in the previous Hubble observations.

«Including a predawn area in the observation is useful because all the heating from the previous day's sunshine has reached its minimum there,» Hamilton said.

But in a paper published Monday in the journal Nature Astronomy, researchers have described a TDE that is over 10 times longer in duration than previous observations.

The scientist's previous work has led him to some surprising observations.

Previous disk observations have focused mainly on the outer disk, which is cleared inward of ~ 50 au.

Previous proofs have relied on complex climate models, but this proof doesn't need such models — just careful observations of the land, ocean and atmospheric gases.»

Consistent with our previous observations, single V+S + and V − S + cells were equivalent in their ability to regenerate normal Venus distribution upon expansion in 30 independent clonal cultures (Figure 7C).

Previous observations from Earth and from Mars orbit have detected a global distribution of seasonally - fluctuating quantities of methane - a factor that is surprising as the gas is short - lived and only has two realistic production mechanisms, one of which is through metabolising microbes.

Previous observations suggest that these altered proteins would highly likely restore HRR function and be resistant to talazoparib (12).

Previous telescope observations had shown that individual galaxies carry around a lot of dust.

When combined with previous observations, new research with the Heterodyne Instrument for Planetary Wind And Composition (HIPWAC) joined to the large aperture of the Subaru telescope supports the model that Titan has currents or jet streams at high latitudes racing through its upper atmosphere (stratosphere) at speeds of approximately 756 km / hour (470 miles / hr.).

Previous Hubble observations have revealed that supermassive black holes, weighing millions or billions times more than the Sun, reside at the centers of nearly all galaxies and may play a role in shaping those central regions.