Sentences with phrase «asteroid strike»

A major asteroid strike on the planet could cause widespread devastation.

After all if cost is no barrier when it comes to dealing with hypothetical threats like global warming it should be no barrier when it comes to hypothetical threats like asteroid strikes.

A large asteroid strike happens only once every 100 million years.

It has survived asteroid strikes, axis shifts, periods of intense volcanic activity and periods with CO2 levels far higher than they are today.

Scientists said that dinosaurs might have survived the killer asteroid strike if it had occurred slightly earlier or later.

Where is a good asteroid strike when you need it?

One sequence depicts the massive asteroid strike that helped wipe out the dinosaurs 65 million years ago.

The spheres looked like microtektites, the debris created and tossed aside when comets or asteroids strike Earth at high speeds.

Boulders that were picked up, carried, and dropped by tsunamis, as seen by HiRISE tsunamis were probably caused by asteroids striking ocean.

Then, they used impact simulations with different - sized asteroids striking Mars to see which size asteroid accumulated the metals at the rate they expected in the early solar system.

Nigel Henbest's feature «Close call» looked at averting the threat to Earth from asteroid strikes (26 January, p 42).

A team led by experts at Cardiff University has provided new evidence to explain why deep sea creatures were able to survive the catastrophic asteroid strike that wiped out the dinosaurs 65m years ago.

Even if a tsunami were to reach coastal communities, far fewer people would die than if the same asteroid struck land, Rumpf said.

On top of the risk of a deadly, engineered virus leaking into public spaces, there are also the environmental dangers of climate change, nuclear war, the potential of an enormous asteroid strike wiping us out, and the problem of humanity's overpopulation of the planet, just to name a few of the biggest challenges when it comes to remaining on Earth.

It's also been theorised that asteroid strikes on the planet have a similar effect, throwing material into the sky, and some scientists believe that the end of the age of the dinosaurs may have been caused by a giant asteroid hit.

Accidental massive nuclear war and an unexpected asteroid strike — those are the two things that could wipe out the edifice of civilization that we've built up as a species over millennia.

Asteroid strikes repeatedly bombarded the planet during its first eon, but the heat released by those hits wasn't as sterilizing as once thought, new research suggests.

Last year, Lowe co-authored a paper describing a particularly devastating asteroid strike that occurred 3.3 billion years ago, right around a time full of wrenching geologic changes.

The end - Cretaceous asteroid strike, however, could have generated ground velocities of a meter or two per second, Sleep said.

In the better - preserved record from the past 550 million years, most asteroid strikes are not associated with any obvious die - offs, making the case of the dinosaurs something of an outlier.

Asteroid strike spurred quick chill that led to dinosaurs» demise.

Spurred by human activity, the crisis is occurring faster and could extinguish more species than the gigantic asteroid strike that may have wiped out the dinosaurs 65 million years ago.

Although Earth's inhabitants still face the threat of deadly asteroid strikes, researchers say that impacts of the magnitude seen in the Martian dichotomy have long since died off, leaving only scars to tell their story.

Did asteroid strikes during the earth's youth spawn the earliest fragments of today's landmasses?

In October of 1990 a very small asteroid struck the Pacific Ocean with a blast about the size of the atomic bomb that leveled Hiroshima, killing roughly thousands of people in seconds.

«Not only did a giant asteroid strike, but it happened at the worst possible time, when their ecosystems were vulnerable.

Ice Age: Collision Course (PG for mild rude humor, action and scenes of peril) 5th installment in the prehistoric fantasy franchise finds woolly mammoth Manny (Ray Romano), ground sloth Sid (John Leguizamo) and smilodon Diego (Denis Leary) and company on an epic trek to prevent impending asteroid strikes inadvertently triggered by saber - toothed squirrel Scrat's (Chris Wedge) pursuit of that ever - elusive acorn.

That's when the meteorite or asteroid struck prehistoric Earth (a misnomer in this story, since humans are both around and recording their history — whatever, though).

(As might a civilization - ending asteroid strike or a Cubs» World Series win.)

Asteroid strikes apparently wiped out most of humanity, with just a few pockets of survivors left to adapt and create small civilizations.

Between climate change, habitat loss, invasive species, overfishing and overhunting, it looks like the Anthropocene may have the dubious distinction of spurring the Sixth Great Extinction — the last one being 65 million years ago, when the dinosaurs died out, presumably the result of a cataclysmic asteroid strike.

Now utopia has grown unfashionable, as we have gained a deeper appreciation of the range of threats facing us, from asteroid strike to pandemic flu to climate change.

The rate of global change from human activity is 100x faster than any event in the past other than a major asteroid strike.

These core samples contain bits of the original granite bedrock that was the unlucky target of cosmic wrath 66 million years ago, when a large asteroid struck Earth, blasted open the 180 - kilometer - wide Chicxulub crater, and led to the extinction of most life on the planet.

Revelations is clearly very accurate, clearly agreeing with moden science computer models regarding global warming predictions, what will happen when a large asteroid strikes (note the word «when») and many other things unknown to science prior to the 21st Century.

And while previous extinctions have been driven by natural planetary transformations or catastrophic asteroid strikes, the current die - off can be associated to human activity, a situation that the lead author Rodolfo Dirzo, a professor of biology at Stanford, designates an era of «Anthropocene defaunation.»

«Trickle of food» helped deep sea creatures survive asteroid strike that wiped out the dinosaurs.»