Sentences with phrase «made by the comets»

They also looked at whether craters made by the comets hitting the surface could excavate enough nitrogen — but that would require a very deep layer of nitrogen ice at the surface, which is not proven.

Not exact matches

P.S, Pep in his pre game comet gave us a huge compliment by saying that Arsenal is probably the best and most deadliest team to counter attack «in the world», make what you will of that but i say its not constant,

«No one has before made measurements when a comet passes so close by a planet,» says Associate Professor Mats Holmström at the Swedish Institute of Space Physics in Kiruna, Sweden.

The meteorite is made of volcanic rock, and the presence of water in it suggests that crustal rocks on Mars interacted with surface water that was delivered by volcanic activity, near - surface reservoirs or by impacting comets, Agee says.

The team that made this discovery, led by Yale University astronomer Tabetha Boyajian — the star's namesake — suggested a variety of explanations for its strange behavior, including that the star itself was variable, that it was surrounded by clouds of dust or dusty comets, or that planets around it had collided or were still forming.

Chunks of the moon and Mars (blasted free by other impacts on those bodies) and comets can also make their way here.

The ESA's Rosetta mission, which ended in September 2016, found that organic matter made up 40 % (by mass) of the nucleus of comet 67P Churyumov - Gerasimenko, a.k.a. Chury.

But observations made from multiple angles by three different craft revealed that comet Lovejoy's tail waggled and wobbled in unexpected ways (see video, from 0:20 onward) as the object zipped through the deepest parts of the solar atmosphere.

Because a comet's nucleus is made up of a combination of icy materials and loosely consolidated «dirt,» when a comet is heated by passing close to the Sun, it more or less slowly disintegrates, producing the visible tail.

Planets can be born in the same way, so by tracing comets like 67P back to the pebbles that made them, we can find out more about what kinds of material made Earth.

Then on 15 July something unexpected happened: perhaps by accident, perhaps in a moment of revolutionary fervour after Bastille Day, someone at the French space agency CNES made public sensational new images of the comet's icy core.

Those clays were probably brought to Europa by comets or asteroids, and if such material was able to make it into Europa's subsurface ocean, it could provide the nutrient - rich soup that could allow life to emerge.

The observations, published by the Astrophysical Journal Letters, also were significant because modest comets like Lemmon and ISON contain relatively low concentrations of crucial molecules, making them difficult to probe in depth with Earth - based telescopes.

According to observations made by NASA and ESA orbiters, the extremely close flyby of comet C / 2013 A1 Siding Spring was accompanied by a meteor shower larger than any seen on Earth.

By then, 31 separate observations of the comet had been collected to determine an orbit, and the first announcement of Lovejoy's discovery was made this past Friday (Dec. 2) by the Minor Planet Center of the International Astronomical UnioBy then, 31 separate observations of the comet had been collected to determine an orbit, and the first announcement of Lovejoy's discovery was made this past Friday (Dec. 2) by the Minor Planet Center of the International Astronomical Unioby the Minor Planet Center of the International Astronomical Union.

You might be surprised to hear that, because when a sungrazer makes the news, it's usually accompanied by screaming headlines going on about «comets hitting the sun,» followed by a breathless recounting of «fiery explosions.»

Even with the earth's predicted doom just months away, when the comet's young discoverer (played by Elijah Wood) makes a presentation at his high school a classmate stands up tall and loud and claims that the best thing about being famous is that?

«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?»