Sentences with phrase «gravitational tug»

A stronger gravitational tug means that something very dense is beneath the surface; a weaker tug indicates something lighter and less dense.

The first method detects planets by the subtle gravitational tug they give to their host stars.

Such wobbles are caused by the back - and - forth gravitational tugs of planets circling around them.

The team speculate that a meteorite impact, moonquake, or pressure created by gravitational tugs from the Earth could have triggered a minor ceiling collapse in the tube.

By looking for the effects of unexplained gravitational tugs on stars, scientists may be able to determine whether galaxies are littered with dark matter clumps.

In a study described today in Nature, researchers measured the minuscule gravitational tug between rubidium atoms and a 516 - kilogram array of tungsten cylinders.

Small gravitational tugs from waterlogged river basins could give scientists a big advantage in predicting devastating floods, researchers report July 6 in Nature Geoscience.

Evidence of three new basins comes from gravity data collected by NASA's GRAIL mission in 2012 (new basins circled in black, redder colors indicate a greater gravitational tug).

Most planet hunters watch for wobbles in the light from stars, which arise from the back - and - forth gravitational tugs of unseen companions.

The spacecraft measured Enceladus» gravitational tug at various points during three passes just 30 to 60 miles from the surface.

In the past, significant drops in corporate profits have acted like gravitational tugs on jobs growth, with companies cutting positions and putting a freeze on new hiring.

The Alpha Centauri dual star system is thought to host rocky Earth - mass worlds, but this assumes they could form in the turbulent conditions associated with the opposing gravitational tugs of paired star systems.

Their new paper is the first to show that the moon's gravitational tug also puts a slight damper on the rain.

The spiralling in of such a closely orbiting planet is to be expected, as gravitational tugs between the two bodies will boost the star's spin rate at the expense of the planet's orbital energy.

The planet — Proxima b — was discovered by astronomers who spent years looking for signs of the tiny gravitational tug exerted by a planet on its star, after spotting hints of such disruption in 2013.

Adjust the sail's trim and you could travel almost anywhere in the Solar System — without heavy rocket propellants or a helpful gravitational tug from a nearby planet.

To catalog it, the planet - finding astronomers added a lowercase b, after other classification schemes that deem the star itself A. Astronomers used the «wobble» method to detect 51 Pegasi b, in which the planet's gravitational tug alters its star's light.

Christy says he thought additional satellites this close to the planet would be unlikely, given the disruptive gravitational tug of Pluto and Charon.

Winfried Michaelis's group in Brunswick, Germany, creates an electric field by means of two electrostatic generators to hold one end of a crossbar in place while the other end (not shown) is subjected to a minute gravitational tug.

The team looked for changes in the star's light that could be caused by an orbiting planet, whose gravitational tug would induce a slight wobble in the star.

But Batygin says that galactic gravitational tugging is an inefficient process and that the Planet Nine explanation remains a less convoluted way of achieving the same result.

Contrary to all expectations, the universe's expansion is apparently accelerating, so the inwards gravitational tug of both normal and dark matter is being trumped by the effect of another substance so exotic no one knows for certain what it might be.

Over time, the gentle gravitational tugs of this periodic conjunction have gradually nudged...

Planetary scientists have long known that Io is the most volcanically active body in the solar system, thanks to constant gravitational tugs from Jupiter and its other moons that churn Io's interior.

«According to the standard view of cosmology, the once infinitesimal universe has ballooned in volume ever since its fiery birth in the Big Bang, but the mutual gravitational tug of all the matter in the cosmos has gradually slowed that expansion.

During a series of passes over Enceladus» frigid terrain, Cassini measured the moon's gravity using the Doppler method: The scientists could see how much the signal coming from the spacecraft was squeezed and stretched as the spacecraft wobbled in response to the moon's varying gravitational tug.

A side effect of this organized pattern is that the moon's gravitational tug pulls at Earth — but since the planet's surface is covered in liquid water, it simply sloshes over to appease that tug, creating tides.

There are computer simulations that suggest Saturn's gravitational tug kept Jupiter from sailing inwards, so the giants drifted a little closer — then stopped.

A close - in planet will have a stronger gravitational tug on its star, making it easier to detect the star's wobble.

Years of infrared observations have shown a handful of stars at our galactic center whipping around an invisible object with a strong gravitational tug.

In Tajeddine's model, small gravitational tugs from each moon create density waves in which thicker material piles up inside the ring at specific locations.

The gas giant is on a near - collision course with your planet, thanks to gravitational tugs between the planets in your system.

To do that, researchers must search for the subtle wobbles the orbiting planet induces in its host star, a difficult task since the star's own roiling activity can mask the subtle gravitational tugs of a lightweight planet.

The planet's gravitational tug causes its star to...

The most plausible answer was the galaxies also contained clouds of what they dubbed «dark matter» that could not be seen by conventional means, but which exerts a gravitational tug.

Some atoms and molecules near the top of our atmosphere are simply moving so fast they overcome Earth's gravitational tug.

Its gravitational tug pushes and pulls large bodies of water, and when the moon is full, it's also at a position in its monthly orbit to be at its strongest.

Known as the Doppler method, it measures the gravitational tug exerted on a star by a planet — a planet that could not be seen directly because it would be lost in the glare of its star.

The disks are positioned so that their gravitational tugs on the pendulum should almost exactly offset each other.

A team of European astronomers says the secret to their cohesion is a cushion of dark matter that protects them from the gravitational tug - of - war outside.

The detector is essentially a pendulum — a molybdenum ring hanging on an ultrathin tungsten fiber — that feels the gravitational tug of two rotating molybdenum disks below.

That rotation is mainly due to gravitational tugs from the other planets.

Gravitational tugs on a pair of spacecraft have revealed previously unseen blemishes on the moon's face.

Some candidates can be checked further using another technique that looks for «wobbles» in the star caused by the gravitational tug of an orbiting body, but Kepler 452 b is too distant and small for that.

Mikko Tuomi, of the University of Hertfordshire in England, and his colleagues examined data taken by telescopes in Chile, Hawaii and Australia that looks for wobbles in a star's movement that could be due to planets» gravitational tug.

Astronomers like Marcy watch a star to see if it waltzes back and forth, indicating the gravitational tug of an orbiting planet.

Eventually, gravitational tugs from the sun would destabilise the moonlets, making them crash into the bigger one.

All of the previously discovered planets — which now number more than 100 — were detected by the gravitational tugs they exert on their stars.