Sentences with phrase «by objects in space»

The measurement technique relies on radio telescopes picking up radio waves emitted by objects in space; the more accurately scientists can determine the positions of the radio telescopes, the more precisely they can measure various characteristics of the Earth.

Not exact matches

In relation to the space around it the Earth is weightless.But early man felt that the Earth (a very huge object) must be held up by something.
The brain neutralizes change by transferring it from the time within objects to the space between them, displacing the change that is ingredient in the object to a surface interaction as another property of space.
And as the Kneales have it, «when «space» and words of similar origin occur in pure mathematics, they refer to abstract patterns of ordering which may conceivably be exemplified by widely differing systems of objects» (DL 386).
Temporality exists in the relations among occasions; without temporality, no larger scale events or enduring objects are possible, and in a realistic and relational theory of time and space, the concrescence of microphysical occasions is productive of space - time by providing the relata for the relations which are the fabric of space - time.
The Protestant bishop of Karachi, for example, has been stopped twice in the past year by Christians who object to his plan to develop commercial space around the outer wall of St. Andrews, the second - largest Protestant church property in Karachi.
Each actual occasion prehends the space - time continuum in its infinite entirety; that, says Whitehead, is nothing but an example of the general principle (also illustrated by prehension of qualitative eternal objects) that «actual fact includes in its own constitution real potentiality which is referent beyond itself.»
Thus we experience precisely in freedom what is meant by God, even if we do not name or consider this ineffable, incomprehensible, infinite goal of freedom, which makes possible the distance to the object of our choice, the actual space of freedom.
This gives him cognizance of the event by adjective (R 18), for he identifies it and its space - time boundaries by sense - objects situated in it (PNK 67, 84; CN 78, 147).
For Newton, absolute space and absolute time are presupposed by a theory of the dynamics of moving bodies and in particular are necessitated by the fact that no available physical frame of reference seems suitable for a satisfactory analysis of the accelerated motions of material objects.
If the motion is so fast that individual droplets are not resolved in our perception, it will appear that a permanently existing localized object is continuously moving across the space occupied by the fluid.
Nevertheless, the layman's common - sense view of reality is baffled by such conundrums as the nature of time and space, the reality of human freedom, quantum jumps in physics, or the claim of modern science that colors are not really present in the objects of perception but only in the mind of the beholder.
In the section on tape - measure shots, for example, we have this observation by former Yankees pitching great Lefty Gomez: «When Neil Armstrong first set foot on the moon, he and all the space scientists were puzzled by an unidentifiable white object.
Most likely, Meech says, the object is an outcast from another star system: a space rock flung out during the star's tempestuous youth when it was surrounded by freshly - formed giant planets embedded in a disk of debris.
From the sudden and jagged pattern apparent in the image, the LROC team determined that the camera must have been hit by a tiny meteoroid, a small natural object in space.
A September report by the National Research Council found that the debris field is so dense that collisions between objects in orbit will create additional debris faster than space junk falls out of orbit.
What struck Barbour most was Einstein's comment that his intuitive leap about space and time had been inspired by Austrian physicist and philosopher Ernst Mach, whose study of the speed of sound in fluids helped explain the sonic boom heard when objects break the sound barrier.
«Observations with multiple space telescopes have revealed that, while other neutron stars spin multiple times a minute, this object rotates only once about every 6.5 hours — making it by far the slowest - spinning star in its class discovered to date,» said David Burrows, professor of astronomy and astrophysics at Penn State.
Using similar techniques originally inspired by string theory, Strominger's group has computed the spectrum of gravitational waves emitted when compact objects like stars fall into giant black holes — predictions that could be verified by the future Evolved Laser Interferometer Space Antenna, planned to launch in two decades (or maybe sooner).
The founders estimate that printing parts in space could reduce the structural mass of objects by at least 30 percent, because the objects would not need to survive Earth's gravity or the extreme G - forces of launching into orbit aboard a rocket.
«About a third of the gamma - ray objects seen by Fermi remained unknown in the most recent catalog, and this result represents an important advance in understanding their natures,» said David Thompson, a Fermi deputy project scientist at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
«Because ultraviolet light from objects in space can be detected only by telescopes located outside Earth's atmosphere, Swift's UVOT telescope provided unique data on this event.
Until then, scientists regarded black holes as simple objects — quite literally holes in space, completely described by just three variables: their mass, spin and charge.
Current thinking is that these tiny diamonds can form in three ways: enormous pressure shockwaves from high - energy collisions between the meteorite «parent body» and other space objects; deposition by chemical vapor; or, finally, the «normal» static pressure inside the parent body, like most diamonds on Earth.
Minute tremors in space itself, predicted by Einstein's general theory of relativity, are generated when massive objects accelerate.
Though the collisions described by the amplituhedron still occur in space - time, the object itself is outside it, providing a possible way to imagine a world not woven of this fabric.
The optical flashes that carry our messages are generated by such lasers, whose core workings Einstein envisioned in those distant World War I years; the bar codes on every object we purchase also depend on Einstein's lasers being able to accurately read those coded spacings.
Gravitational waves, the undulations produced in space - time when massive objects move, had long been predicted by Einstein's theory of general relativity.
Launched in July by the space shuttle Columbia, Chandra can view X-rays from very hot objects such as quasars and the gas falling into black holes.
In mice, depending on the strain, the sexes may exhibit different levels of anxiety, detected by how willing the animals are to explore new objects or spaces.
McGreevy admits the quantum systems he and his colleagues studied were very abstract because they had properties that were smeared out continuously in space instead of varying in a stepwise, quantum fashion.Sachdev's has come up with a more realistic model, McGreevy says, by applying a gravitational object, a kind of black hole, to a quantum system with properties that vary stepwise along a lattice, just as in the lattice structure of strange metals.
The star names were officially recognized by the International Astronomical Union, which oversees the naming of objects in space, and announced on December 11.
The Biomass radar will still have to be turned off when it is over North America and Europe because it will interfere with systems used by the military to track objects in space, but forests there are relatively well studied; it's the swathes of forest in the tropics, Siberia, and China that will be the new satellite's main concern.
What exotic objects in deep space are firing out particles at by far the highest energies in the universe?
These proposed devices, like their predecessors, aim to cancel gravity by wrapping an object in superconducting coils to generate a magnetic field so strong that it warps space.
This is the first detection of the roughly half of the normal matter in our universe — protons, neutrons and electrons — unaccounted for by previous observations of stars, galaxies and other bright objects in space.
«Being hit by a 1 - centimetre object at orbital velocity is the equivalent of exploding a hand grenade next to a satellite,» says Heiner Klinkrad, head of the space debris office at the European Space Agency in Darmstadt, Gerspace debris office at the European Space Agency in Darmstadt, GerSpace Agency in Darmstadt, Germany.
Similarly - aged stars moving through space together in a group — described by astronomers as an association — are of great interest to researchers, because they are considered a prime target to hunt for brown dwarfs and free - floating planet - like objects.
The force created by the rocket is less than the weight of a human hair, but in the vacuum of space it is enough to push a small object forward with a constant acceleration.
It looks to us like there are photons and these other particles, but they might really be manifestations, projections, from a higher - dimensional space, of objects that are more conveniently described in our world by saying, «There is a photon,» or «There is a gluon.»
About 150 tiny reflective beads are held together by laser light, forming this arrangement (inset) that can act as a mirror to see objects in space.
Aireal, developed by Disney Research in Pittsburgh, Pennsylvania, lets users feel virtual objects in front of them by sending bursts of air to places in space that coincide with the virtual object.
The strength of the pull exerted by a given object declines in proportion to the square of the distance from it, Newton told us, while Einstein explained gravity as the result of massive objects curving space - time.
NASA has released a gallery of images captured by the Hubble Space Telescope, showcasing celestial objects contained in the Messier catalog.
On January 10, 2005, astronomers using the infrared Spitzer Space Telescope announced that the dust disk is bigger than previously estimated and was probably created by collisions of protoplanetary objects as big as the planet Pluto, up to 2,000 kilometers (about 1,200 miles) in diameter (press release — more below).
This image taken by the Hubble Space Telescope shows the spectacular region around an object known as Herbig - Haro 502, a very small part of the vast stellar nursery in the picturesque Orion Nebula.
These two images of a huge pillar of star birth demonstrate how observations taken in visible and in infrared light by NASA's Hubble Space Telescope reveal dramatically different and complementary views of an object
And recent discoveries even suggest that we may occasionally be visited by asteroid - like objects coming in from interstellar space.
The Earth and moon can serve as giant detectors for ripples in the fabric of space - time known as gravitational waves, which are given off by stars, black holes and other massive objects in deep space, researchers say.
The little moonlet, which according to The Verge is about 20 miles wide and resembles «a little space rock with what looks like two googly eyes,» resides in what is known as the Encke Gap, a 200 - mile - wide space between Saturn's rings that is caused by the diminutive object itself.
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