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, Ger
space debris office at the European
Space Agency in Darmstadt, Ger
Space 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.