Sentences with phrase «kilometer per second»

The new observations also indicate that the two galaxies are about 30,000 light - years apart, moving at roughly several hundred kilometers per second relative to each other.

Some galaxies drive galactic winds, expelling dust and gas at hundreds of kilometers per second into the intergalactic medium, the space between galaxies.

The improved Hubble constant value is 73.2 kilometers per second per megaparsec.

Observations of supernovas suggest that the universe is expanding at 73 kilometers per second for each megaparsec (about 3.3 million light - years).

The nuclear reactions that result from this gas mixing produce a large supply of neutrons that are captured by the nuclei of heavy elements such as iron to make Sr and Y. Chiappini and her colleagues found that the best way to explain the pattern of abundances they had observed was to apply a stellar model involving a spinning velocity of 500 kilometers per second at the surface.

We used GPS and interferometric synthetic aperture radar data to model the earthquake rupture as a slip pulse ~ 20 kilometers in width, ~ 6 seconds in duration, and with a peak sliding velocity of 1.1 meters per second, which propagated toward the Kathmandu basin at ~ 3.3 kilometers per second over ~ 140 kilometers.

THE RESEARCHER Adam Burrows is something of a human computer, swiftly converting kilometers per second into miles per hour in his head, although the speed of his calculations «depends on whether I've eaten.»

The orbit takes the stars far apart for most of the time, but once per orbit they approach very close and the competing solar winds — traveling at 420 kilometers per second from the large star and up to 3000 km / s from the smaller — create a bow shock, heating the gas to tens of millions of degrees.

Elleman said that footage of the reentry vehicle showed it brightly streaking across the sky at 6 kilometers per second before going dim just a few kilometers above the ocean.

The researchers suggest that because the star is moving at a relatively quick pace of 130 kilometers per second [see note below] relative to the galaxy, it has compressed and heated the interstellar gas in front of it.

However, the ruptures ripped through the planet at hundreds of kilometers per second rather than fracturing only near the surface, as typical earthquakes do.

The encounter puts the brakes on the solar wind, causing it to abruptly slow from supersonic speeds of 400 to 700 kilometers per second down to subsonic speeds of 100 km / sec, according to simulations.

CMEs leave the sun at speeds ranging from 20 to 2,000 or more kilometers per second.

That's up to 9 kilometers per second slower than the average for bigger objects that have hit Earth over its history, says space scientist and asteroid specialist William Bottke of the Southwest Research Institute in Boulder, Colorado.

The main engine is scheduled to fire at 8:18 P.M. PT for 35 minutes to reduce Juno's speed of about 58 kilometers per second by roughly 1 percent — just enough to fall into the planet's gravitational embrace.

(These disturbances travel at the speed of light, while the fastest seismic waves of an earthquake propagate at several kilometers per second, which means that monitoring the disturbances could potentially improve existing early - warning systems by seconds or even minutes.)

Knowing the distance to the spiral nebulae would allow the conversion of his measured angular rate of rotation to a rotational velocity in kilometers per second.

Here, the researchers only included gases that were ejected upwards at a rate of 1 kilometer per second minimum.

Planck's measurements, combined with the current Standard Model of physics, predicted an expansion rate today of 66.53 (± 0.62) kilometers per second per megaparsec.

Matter screamed away from it at thousands of kilometers per second, sweeping up material around it and getting compressed.

The new measurement indicates that distantly separated galaxies are spreading apart at about 70 kilometers per second for each megaparsec between them.

But the wind whooshes at only around 300 kilometers per second over extended, pointy wisps called coronal streamers, which give the corona its crownlike appearance.

Charged winds moving at speeds up to 1000 kilometers per second from the star, much like those in our Sun's solar wind but millions of times denser, are able to follow the twisted field lines on their way out into space.

The star spins around its axis at the speed of 600 kilometers per second at the equator, a rotational velocity so high that the star is nearly tearing apart due to centrifugal forces.

So depending upon which Earth - Mars rendezvous you're aiming for, the trip time at six kilometers per second, departure velocity, can be as low as 80 days.

Traveling at 27 miles per second (44 kilometers per second), the comet is headed away from the Earth and Sun on its way out of the solar sy... Read

Pulled by our star's gravity, on Sept. 9 A / 2017 U1 approached within 40 million kilometers of the sun — well within the orbit of Mercury — before being flung back up and out of the ecliptic plane in the direction of the constellation Pegasus at nearly 44 kilometers per second.

A constant flow of charged particles streams away from the sun at hundreds of kilometers per second, battering vulnerable planets in its path.

Based on these analyses, A / 2017 U1 came from the direction of the constellation Lyra, swooping in from high above the ecliptic plane in which the sun's planets orbit at a breathtaking 25 kilometers per second.

Observations taken the next day in Chile and South Africa showed hydrogen gas hurtling away from the explosion at roughly 30,000 kilometers per second — about one - tenth the speed of light.

Provisionally designated A / 2017 U1, the object appears to be less than a half - kilometer in diameter and is traveling at just over 40 kilometers per second — faster than humanity's speediest outbound space probes.

The image above and high - speed video below capture a 2.8 - millimeter aluminum bullet plowing through a test material for a space shield at 7 kilometers per second.

Think of a 14 - story building moving faster than a kilometer per second.

A: The action happens pretty fast because you're traveling at 7 or 8 kilometers per second.

Light moves at a finite speed (299,792 kilometers per second, to be precise), so the journey from star to star is a very long one even...

On April 30, if all goes well, after running out of fuel to fight off orbital decay NASA's long - running MESSENGER spacecraft will end its mission to Mercury by crashing into the planet's surface at nearly 4 kilometers per second.

PACKS A PUNCH Engineers are testing a new spacecraft shield by slamming a bullet into it at 7 kilometers per second.

The team had to overcome many hurdles, including keeping the beams of photons focused on the ground stations as the satellite hurtled through space at nearly 8 kilometers per second.

And because the LMC is orbiting the Milky Way at nearly 400 kilometers per second, a star ejected from it could be moving faster than the 500 kilometers per second that makes it a hypervelocity star in the Milky Way.

In such unique, dense environments, galaxies move at a speed of about 1000 kilometers per second.

Previous simulations have shown that within these strands of stellar debris, gas can clump back together into balls roughly the mass of Jupiter that are then launched away at several thousand kilometers per second.

In June, JAXA scientists successfully tried out the reverse thrust engines that would try to slow Akatsuki from 37 kilometers per second to the 35 kilometers per second speed it would need to drop into Venus's orbit.

Some of the flows zip along at nearly 10 kilometers per second, allowing them to achieve very high magnetic Reynolds numbers.

Note: The text originally stated that Mira A's velocity (130 kilometers per second) is three times that of a bullet; in fact a bullet travels at about one kilometer per second.

The energy levels of the x-rays point to gas cascading onto the growing star at a speed of about 3000 kilometers per second, says Hamaguchi.

As a result of the flyby, the velocity change to the spacecraft was 8,451 miles per hour (3.778 kilometers per second).

Since the neutron star propagates with an estimated speed of at least 350 kilometers per second, the asymmetry in the spatial distribution of the radioactive elements is expected to be very pronounced.

Just as an ambulance's siren screeches more shrilly as it approaches a listener, the earthquake's waves piled up on one another as they propagated toward Kathmandu at 3.3 kilometers per second.

The object's incoming motion — 25.5 kilometers per second — was so extreme that astronomers believe it is not the kind of asteroid or comet typically seen inside the solar system.