Sentences with phrase «planets than asteroids»

Not exact matches

The meteorite, dubbed Northwest Africa (NWA) 7034, contains a concentration of water by weight about ten times higher than in any of the other 100 or so known Martian meteorites — those rare rocks that get ejected from the Martian surface into space when an asteroid hits the planet, and eventually find their way to Earth.

If binary asteroids can form single craters, then Earth is more likely to be hit by a pair of objects in future than our planet's crater record would suggest.

We now know that hordes of asteroids pass close to our planet, some closer than the Moon itself.

The solar system consists of more than just planets; it is also a beehive of asteroids and comets.

After circling Vesta for about a year, Dawn will depart for Ceres, which is larger than Vesta, and the only dwarf planet in the Asteroid Belt; it will enter orbit there in 2015.

Marchi's team proposes a novel, more efficient mechanism As the planet was pummeled by primordial asteroids — some larger than 100 kilometers in diameter — impacts would melt large volumes of rock, creating temporary lakes of lava.

Earth is struck by an asteroid 60 meters (more than 190 feet) wide approximately once every 1500 years, whereas an asteroid 400 meters (more than 1,300 feet) across is likely to strike the planet every 100,000 years, according to Rumpf.

FAR OUT Mars may have formed near what's now the asteroid belt, much farther away from the sun than the other rocky planets.

The intermediate stage, taking pebbles and joining them together into objects the size of asteroids, is less clear, but with more than 3,500 planets already found around other stars, the whole process must be ubiquitous.

If binary asteroids can form single craters, then Earth is more likely to hit by a binary impact in future than our planet's crater record would suggest.

There's a lot we still don't fully understand about these little guys but it looks like we may now be able to form a more coherent story of Earth's early years — one which fits with the idea that our planet suffered far more frequent bombardment from asteroids early on than it has in relatively recent times.»

Dynamicists place less importance on small objects like Pluto, which don't significantly affect the movements of planets and asteroids, than they do on larger, more massive bodies.

It was the first asteroid known to come closer to the earth than the planet Mars.

They know, for example, that dark matter behaves differently than «normal» matter, such as galaxies, stars, planets, asteroids and all of the living and nonliving things on Earth.

With a blink comparator, if an object in the field moves back and forth it is something other than a star — an asteroid or comet, perhaps, or in this case, a newly discovered planet.

Its orbit places Vesta in the Main Asteriod Belt, but the object more closely resembles a small planet or Earth's Moon than another asteroid (more discussion).

While the new definition would make Pluto a planet again, it would also make many moons, large asteroids and object in the remote Kuiper Belt into planets as well, bringing the grand total number of planets in our Solar System to more than 100.

In addition to rocky asteroids and icier bodies further out from the Sun, many agglomerated into larger planetesimals that eventually collided to form planets like the Earth, and more than 250 minerals, including olivine and zircon, developed within the planetesimals with the help of melting, collisional shocks, and reactions with water.

Using a plot of the innermost solar system, students can count the number of minor planets (asteroids, comets, etc.) with orbits of less than 1.3 Astronomical Units.

It really wasn't supposed to be more than a simple space shooter about defending the planet against asteroids with only a handful of different ships.

This mammoth game drops you into the middle of a ginormous universe with more than 400 billion — yes, billion — individual star systems, each with their own planets, space stations, asteroids, players, and more.

Gameplay is as mentioned, a throwback to some of the older arcade titles like Asteroids, where you steer your ship around the vast land of space ranging from 8 different galaxies each different than the last fending off enemies and using your left trigger to sweep around a planet in a «lasso» formation to put the planet under your control through the different rounds of that level taking as much territory as you can from the enemy.

«The planet has been through a lot worse than us... been through earthquakes, volcanoes, plate tectonics, continental drift, solar flares, sun spots, magnetic storms, the magnetic reversal of the poles, hundreds of thousands of years of bombardment by comets and asteroids and meteors, worldwide floods, tidal waves, worldwide fires, erosion, cosmic rays, recurring ice ages — and we think some plastic bags and some aluminum cans are going to make a difference?»

Wouldn't you agree that there is even more uncertainty surrounding whether a planet - sized asteroid will strike the Earth or not than around what happens if CO2 increases?