Sentences with phrase «earth scientists knew»

Mission to Earth Scientists knew more than a century ago that adding carbon dioxide to our atmosphere would warm temperatures.

Not exact matches

In a statement, President Obama said of the astronaut and public servant, «John always had the right stuff, inspiring generations of scientists, engineers and astronauts who will take us to Mars and beyond — not just to visit, but to stay... The last of America's first astronauts has left us, but propelled by their example we know that our future here on Earth compels us to keep reaching for the heavens.

It's estimated that roughly 99 percent of Earth's land ice is stored in the ice sheets that cover Antarctica and Greenland, so their health is something scientists — and the world — can no longer ignore.

Since 1,700 top scientists issued a dramatic warning 25 years ago about humanity pushing the Earth beyond its capacity to sustain life as we know it, we've managed to stabilize one of the things that was worrying them: the depletion of the ozone layer.

Scientists know that the Earth exists because of the sun, as well as the other planets and debris floating around in the solar system.

Any scientist on earth knows that the overwhelming body of evidence points towards h om os exu ality, hete ros exuality, and bis exu ality as normally occurring phenomenon within the spectrum of innate human (and hundreds of other animals) se x ual development.

There are «scientists» who still think the Earth is flat, you know.

Before scientists or religious leaders knew the earth was round, God had Isaiah say in Isaiah 40:22, «He sits enthroned above the circle of the earth, and its people are like grasshoppers.»

June 4, 2013 — Scientists may not know for certain whether life exists in outer space, but new research from a team of scientists led by a University of South Florida astrobiologist now shows that one key element that produced life on Earth was carried here on mScientists may not know for certain whether life exists in outer space, but new research from a team of scientists led by a University of South Florida astrobiologist now shows that one key element that produced life on Earth was carried here on mscientists led by a University of South Florida astrobiologist now shows that one key element that produced life on Earth was carried here on meteorites.

Scientist do know everything on earth is made from stars.

Science is true, god was created by people including scientists who could not be able to explains things when we knew so little about the earth and the universe.

You make me laugh, because you are no different than the «scientists» that believed the sun revolved around the earth.

Feb. 13, 2013 — The greatest battle in Earth's history has been going on for hundreds of millions of years - it isn't over yet - and until now no one knew it existed, scientists reported Feb. 13 in the journal Nature.

Feb. 13, 2013 — The greatest battle in Earth's history has been going on for hundreds of millions of years — it isn't over yet — and until now no one knew it existed, scientists reported Feb. 13 in the journal Nature.

Our faith is not moved when scientists say that people evolved from other life forms (over «x» billion years), because we know that we were created by the creator and possessor of heaven and earth — JEHOVAH.

You don't have to be a scientist to know that the earth is 4.5 billion years old.

Life - Producing Phosphorus Carried to Earth by Meteorites June 4, 2013 — Scientists may not know for certain whether life exists in outer space, but new research from a team of scientists led by a University of South Florida astrobiologist now shows that one key element that produced life on Earth was carried here on mScientists may not know for certain whether life exists in outer space, but new research from a team of scientists led by a University of South Florida astrobiologist now shows that one key element that produced life on Earth was carried here on mscientists led by a University of South Florida astrobiologist now shows that one key element that produced life on Earth was carried here on meteorites.

Today, scientists know that Earth's outer layer is divided into giant pieces and that the motion of tectonic plates — as they bump together or slide past each other — helps explain how some earthquakes occur.

Just ask a paleontologist: No matter how many dinosaur skeletons or Neanderthal skulls scientists dig up, they still can tell only a small part of the story of what life on Earth was like millions, or even thousands, of years ago.

According to Cindy Ebinger, a professor of earth and environmental sciences at the University of Rochester, scientists had previously known about the volcanic rock structure under the Appalachians.

Given the crucial role the planet's magnetic field plays in guiding navigators and protecting Earth from solar storms, scientists know surprisingly little about it.

To confirm that hypothesis, scientists need to know how Earth - like Venus started out, and then how it transformed from temperate to unbearable.

Scientists believe that these ions, which the SELENE spacecraft (better known as Kaguya) detected, drifted over geologic time from the outer layers of Earth's atmosphere and became embedded in the moon's regolith, a loose top layer of soil and rock.

Scientists knew that activity in the stratosphere 10 kilometers to 50 kilometers above Earth plays a role in what happens in the troposphere, the part of the atmosphere extending from the planet's surface to the stratosphere.

Scientists have known for a long time that Earth's surface rises and falls, much like an elastic spring, from the weight of the atmosphere.

That is because the assistant professor of earth and environmental sciences at Vanderbilt University is a member of a small group of earth scientists who are pioneering in the use of mineral cave deposits, collectively known as speleothems, as proxies for the prehistoric climate.

Scientists already knew that Jupiter sported an aurora in its northern hemisphere — one that is permanent, large enough to swallow Earth, and hundreds of times brighter than the ephemeral glows our planet hosts at each pole.

Remote Bouvet Island, a tiny, glacier - smothered landmass in the South Atlantic rimmed by 500 - meter - tall cliffs, has a notable distinction: It's the only known spot on Earth, scientists say, that has zero invasive species.

Scientists no longer observe Saturn's rings only from Earth.

While some studies suggest the birds rely on smells, the position of the sun, or Earth's magnetic field to navigate, scientists also know that pigeons use visual landmarks.

Scientists have long suspected that our planetary companion was built when a Mars - sized body — commonly known as Theia — struck the young Earth, throwing molten rock into orbit that coalesced into the Moon.

In many ways, scientists know less about the interior of Earth than they do about distant stars.

Then the scientists noticed the ridge in a pitted, yellowed skull of our 2 - million - year - old relative Homo erectus — but not in older hominids known as australopithecines, who walked the earth as far back as 4.4 million years ago.

However, researchers don't really know the true hydrogen isotopic composition of Earth's water, says Lydia Hallis, a planetary scientist at the University of Glasgow in the United Kingdom and lead author of the new study.

Most scientists agree that such DNA - based life probably emerged from a much simpler life - form that no longer exists on Earth.

As a jumping - off point, scientists like Shirey and Richardson are searching for clues in the past based on what we know about how Earth works today.

«To know the origin and evolution of the moon is to know those of Earth,» says Tatsuaki Hashimoto of the Japan Aerospace Exploration Agency, the lead scientist for a proposed lunar rover called SELENE - 2.

«The gap between what we know and don't know about Earth's biodiversity is still tremendous, but technology is playing a major role in closing it and helping us conserve biodiversity more intelligently and efficiently,» said coauthor Lucas N. Joppa, a conservation scientist at Microsoft's Computational Science Laboratory in Cambridge, U.K.

Scientists already knew about flashes of high - energy gamma - rays from Earth, which are associated with large thunderstorms.

But to do this accurately the scientists had to know how Earth's mantle would respond to an ice burden, and that depended on whether it was hot and fluid or cool and viscous.

No prior life on earth — either evolved in the wild or made by scientists in the laboratory — is known to have ever had or lived with such a tied - up ribosome.

We know this because scientists have found meteorites on Earth that clearly originated on Mars; these pieces evidently drifted around the solar system before landing here.

Scientists knew that this activity, along with termite droppings, creates highly fertile patches of earth with a higher percentage of nitrogen and phosphorous than ground farther away.

Scientists are interested in understanding early life on Earth because if we ever hope to find life on other worlds - especially icy worlds with subsurface oceans such as Jupiter's moon Europa and Saturn's Enceladus - we need to know what chemical signatures to look for.

When the Gravity Recovery and Climate Experiment (GRACE) satellites began measuring gravity signals around the world in 2002, scientists knew they would have to separate mass flow beneath the earth's crust from changes in the mass of the overlying ice sheet.

Scientists are interested in understanding early life on Earth because if we ever hope to find life on other worlds — especially icy worlds with subsurface oceans such as Jupiter's moon Europa and Saturn's Enceladus — we need to know what chemical signatures to look for.

In 2014, the international collaboration of scientists known as the Pale Red Dot — named in homage to Carl Sagan, who described Earth as a Pale Blue Dot — banded together after astronomers noticed the periodic signal of a possible planet coming from the star every 11.2 days.

«TPF will look at each of the nearest few hundred stars for a few hours, and we'll know for sure whether or not there's an Earth - like planet around it,» says jpl scientist and senior project overseer Charles Beichman.

«Titan's northern lakes region is one of the most Earth - like and intriguing in the solar system,» said Linda Spilker, Cassini project scientist, based at NASA's Jet Propulsion Laboratory, Pasadena, Calif. «We know lakes here change with the seasons, and Cassini's long mission at Saturn gives us the opportunity to watch the seasons change at Titan, too.

For years scientists scratched their heads over the «Pioneer anomaly»: Radio signals from the twin spacecraft, which are no longer in contact with Earth, showed they were decelerating more rapidly than could be explained solely by the pull of the sun or other known physical effects.