Sentences with phrase «by an asteroid»

But until now, whether the disparity was caused by an asteroid impact or volcanic action on the surface has been in dispute.

I was hoping that everyone involved would get hit by an asteroid.

Were they carried by a tsunami triggered by an asteroid impact at sea?

They have all been destroyed by asteroid impacts — in the movies.

The heat generated by an asteroid accounted for nearly 30 percent of lives lost, according to the study.

This, they say, was subsequently buried by material spread across the surface by asteroid impacts and by lava from volcanic eruptions.

By the 1990s, death by asteroid impact was all the rage.

About 1,100 miles across and nearly five miles deep, it was formed about 3.5 billion years ago by an asteroid impact.

Other evidence bolsters the notion that the Annagh Head boulder field wasn't created by a tsunami caused by an asteroid strike at sea or an underwater landslide, the researchers note.

On a day already chock full of space news — release of the FY2014 budget request and a hearing on the threat to Earth posed by asteroids — Rep. Bill Posey (R - FL) decided to reintroduce his RE-asserting American Leadership in Space Act, or REAL Space Act.

The setup of both games are the same: you are in a wasteland created by an asteroid collision with Earth.

That's because they may have been created by an exploding star and delivered to Earth by an asteroid billions of years ago.

Other researchers have contested the idea that Earth was continually bombarded by asteroids through much of the Hadean, or that a last barrage of asteroids shelled the planet 3.9 billion years ago in what has been called the Late Heavy Bombardment, killing any incipient life (SN Online: 9/12/16).

And because the first dust clouds would have formed with the star nearly 100 million years ago, Chen and Jura argue that «this disk must be continually replenished by asteroid collisions.»

The various characters are limited in their range of expression, and the plot of the title is limited, but I love the optimistic nature of the universe created by Asteroid Base and how the studio has managed to make positive feelings such a central concept of the entire experience.

Russia's moon exploration program sees potential for minerals delivered by asteroid impact.

Such elements are normally captured in the metallic cores of rocky worlds, and their existence hinted that Mars had been pelted by asteroids throughout its early history.

This suggests that the biggest impact craters formed very early in Mars» history, and that later pummeling by asteroids mostly dented and dinged the surface.

One middle - aged star, known as HD 69830, appears to be surrounded by an asteroid belt that is 25 times as dense as the one in our solar system, possibly the remnants of a rocky planet that never formed.

Another possible scenario, though seen in only about 2 percent of the team's new simulations, is that Mars formed more than twice as far from the sun as its present - day orbit in the region currently inhabited by the asteroid belt.

In the new study, Kunk and Izett dated sanidine from the zone which was melted by the asteroid.

One maps has «lanes» formed by asteroid fields.

«Impact,» which was released on May 8, saw Earth under attack from a giant comet, while «Armageddon,» coming out on July 1, found the planet threatened by an asteroid.

Sequel to the 2011 game, Rage 2 takes place in a post-apocalyptic world, where most of humanity was obliterated by an asteroid colliding with the Earth.

takes place on a ship getting slowly torn apart by an asteroid field.

It might be pulverized by an asteroid at any time; we might accidentally blow it up or trash it beyond repair.

Humanity - the greatest destroyers the planet has seen since it got its ass royaly kicked by an asteroid 68 million years ago.

The open hole left behind by the asteroid quickly filled back in as material rebounded from the depths, building a great ring of peaks around the crater's center.

Johns Hopkins Applied Physics Laboratory in Laurel, Maryland: «Planetary Object Geophysical Observer (POGO),» a secondary payload that is a hopper to be dropped on the asteroid surface by the Asteroid Retrieval Vehicle to measure elemental composition of asteroid regolith at multiple locations.

Even the group of cephalopods, the so - called ammonites, was not annihilated by the asteroid strike at the end of the Cretaceous Period.

Trigo adds: «In addition, Annama is a fascinating meteorite because it reveals the processes taken place during the formation of the Solar System, as well as more details about the thermal processing suffered by the asteroid it comes from.»

A spectrometer will measure the light absorbed by the asteroids» surfaces, which will tell much about their composition.

Some scientists suspect that nitrogen gas existed on Mars, but was blasted away by asteroid impacts billions of years ago.

One series of planet sculptures was inspired by an asteroid project they created for a friend, and each planetoid is handmade and one - of - a-kind.

Do you lie awake at night wondering what would happen if we earthlings were devastated by an asteroid or a plague?

Chances that life on Earth will be blighted by an asteroid strike are only half as high as previously assumed, according to a report in tomorrow's Nature.

«It may give us clues to the formation of Earth's moon and the moons of the other planets, and the role played by asteroid impacts in shaping the terrestrial [rocky] planets,» says Alexander Zakharov of the Moscow - based Space Research Institute and chief scientist for Fobos - Grunt.

If that idea is correct, then it implies that the moon's water is mostly ancient — contrary to scientists who have argued that water was delivered more recently by asteroid impacts or even produced by a hail of protons known as the solar wind.

They found that the dichotomy's newly revealed shape matched an impact by an asteroid measuring 1,000 to 1,700 miles (1,600 to 2,700 kilometers) wide, moving at about four to six miles (six to 10 kilometers) per second and striking at an angle of 30 to 60 degrees with the ground, with the most likely angle being 45 degrees.

New research, led by the University of Southampton, has questioned the role played by ocean acidification, produced by the asteroid impact that killed the dinosaurs, in the extinction of ammonites and other planktonic calcifiers 66 million years ago.

Giant planet interiors are inaccessible to direct study from above, but oscillations excited by asteroid and comet impact can generate waves that are potentially observable.

This encounter with TC4 is being used by asteroid trackers around the world to test their ability to operate as a coordinated international asteroid warning network.

And recent discoveries even suggest that we may occasionally be visited by asteroid - like objects coming in from interstellar space.

Earth has been hit by asteroids many times in its past.

Hypothesized «kill mechanisms» include toxic heavy metals brought by the asteroid, acidic oceans (so corrosive that animal shells dissolved) and global firestorms.

These zircons tend to refute the conventional picture of a hot, volcanic planet under constant assault by asteroids and comets.

The bright areas around craters appear to be composed of pristine and possibly primodial material uncovered and ejected by asteroid collisions that may extend for 19 miles (30 kilometers) or more.

It's catching the murderer in the mystery, taking down the drug cartel in a thriller, finding the secret talisman in the fantasy, saving planet Zignog from obliteration by asteroids in the science fiction novel, etc..