In the past few years, space probes, improved ground - based telescopes, and orbiting observatories have shown us close - up pictures
of hundreds of objects in our solar system.
Not exact matches
Programmers have, rather, fed the computer a learning algorithm, exposed it to terabytes
of data —
hundreds of thousands
of images or years» worth
of speech samples — to train it, and have then allowed the computer to figure out for itself how to recognize the desired
objects, words, or sentences.
The experiment itself was simple: a
hundred and forty - five undergraduate students were given a standard test
of creativity known as an «unusual use» task, in which they had two minutes to list as many uses as possible for mundane
objects such as toothpicks, bricks, and clothes hangers.
The robot's vision can now «read» stop signs (rather than rely on a map to plot them out) and differentiate between
hundreds of objects in real time.
A great deal
of the pleasure
of reading Obsolete
Objects derives from simply coming across such passages -
hundreds of them.
At the laying
of the cornerstone for the institution on September 24, 1858, Bellows made a statement upon which those who
object to the treatment
of alcoholism as a sickness could well ponder today, over one
hundred years later:
There are only a few fraternities on or off campus, and fewer than a
hundred students live in them, but they have been the
object of allegations
of sexual assault, and students and faculty have demanded that something be done.
Loyalty to the nation - state has been a principal
object of the communications and educational systems
of the family and
of the national community for a few
hundred years — a relatively short period in man's history.
For thousands
of years it insisted that the sun orbits the earth, and less than a
hundred years ago it decreed that
objects heavier than air could never fly.
A human
object of love may serve for a while, but unfortunately the mortality rate is one
hundred per cent.
Before the methane storage project was approved by the Federal Energy Regulatory Commission in October 2014,
hundreds of citizens tried every possible legal means to prevent the expansion
of fracked gas storage at Seneca Lake, a source
of drinking water for 100,000 people and to
object to a form
of industrialization that places us in harm's way.
Classification is not a big deal when you are working with
hundreds of extrasolar planets or thousands
of supernovas, but it becomes hugely complicated when you are trying to make sense
of billions
of objects.
Levan concludes: «Now, astronomers won't just look at the light from an
object, as we've done for
hundreds of years, but also listen to it.
In fact it's a tight collection
of several
hundred thousand stars, most
of which are packed into a ball just a few light - years across (though the whole
object is over 100 light - years in diameter).
It is home to countless
objects — estimates range from
hundreds of thousands to more than a billion — that collectively outweigh the asteroid belt many times over.
«These are really grinding, catastrophic events,» he says, noting that the doomed
objects must be
hundreds of kilometers across to produce as much dust as Spitzer sees.
For now, such technology can cloak only
objects with a surface area
of a few square micrometres and a few
hundred nanometres deep.
Sometimes a cigar is just a cigar, but the
hundreds of amulets in his collection — many
of them phallic
objects from Egypt, Rome, and Japan — reflect Freud's interest in magic and religion.
«We now know there is an extraordinary diversity
of strange, transient
objects,» he says, referring to the
hundreds of fleeting celestial flare - ups that appear beyond the solar system each year.
«The first near - Earth
object was discovered in 1898,» said Don Yeomans, long - time manager of NASA's Near - Earth Object Program Office at the Jet Propulsion Laboratory in Pasadena, Calif. «Over the next hundred years, only about 500 had been
object was discovered in 1898,» said Don Yeomans, long - time manager
of NASA's Near - Earth
Object Program Office at the Jet Propulsion Laboratory in Pasadena, Calif. «Over the next hundred years, only about 500 had been
Object Program Office at the Jet Propulsion Laboratory in Pasadena, Calif. «Over the next
hundred years, only about 500 had been found.
In the course
of the mission, Wright predicts, «we'll see
hundreds of millions
of sources, and we'll find millions
of brand - new
objects that nobody knew existed.»
According to the IAU, dozens more plutoids may yet be identified, but
hundreds of smaller bodies seem likely to remain burdened with the designation «transneptunian
object.»
Since that discovery
hundreds of large
objects, most more than 100 kilometers in diameter, have been spotted in the Kuiper Belt, including some
of the roughly Pluto - size bodies that spurred a redefinition
of the word «planet» and relegated Pluto to dwarf status.
The team also used a technique called photogrammetry, where
hundreds of photographs taken from all angles
of an
object are sewn together into a 3D representation.
«There are other elements involved, but if size were the only factor, we'd be looking for an asteroid smaller than about 40 feet (12 meters) across,» said Paul Chodas, a senior scientist in the Near - Earth
Object Program Office at NASA's Jet Propulsion Laboratory, Pasadena, Calif. «There are
hundreds of millions
of objects out there in this size range, but they are small and don't reflect a lot
of sunlight, so they can be hard to spot.
For example, NASA's Spitzer Space Telescope, which launched in August, can see an
object the size
of Pluto located a few
hundred astronomical units away [one astronomical unit is 96 million miles — the distance from the Earth to the s Sun], and Spitzer can detect a planet the size
of Earth out to about 1,000 astronomical units.
The
objects are made up
of hundreds of millions
of stars densely packed together on an average
of 100 light years across.
Manually analysing time - resolved microscopy images with
hundreds or thousands
of moving
objects is not feasible.
At such speeds, a collision with even an apple - size
object could shatter a spacecraft into
hundreds of pieces.
Even larger
objects, known as moonlets, were suspected to be disrupting the ring in such a way as to cause periodic jets
of dust to shoot
hundreds of kilometers into space.
Galaxy clusters are the most massive
objects in the universe, containing
hundreds to thousands
of galaxies, bound together by gravity.
Thanks to the dry, clear atmosphere at the South Pole, SPT is better able to «look» at the cosmic microwave background — the thermal radiation left over from the Big Bang — and map out the location
of galaxy clusters, which are
hundreds to thousands
of galaxies that are bound together gravitationally and among the largest
objects in the universe.
But experts broadly agree that it can be done — so a handful
of telescopic surveys around the world now monitor
hundreds of millions
of suns night after night to seek these
objects, gradually taking a bulk census
of the Milky Way's loneliest worlds from the telltale twinkles
of chance cosmic alignments.
These nearby
objects include the Local Supercluster, a vast assemblage
of galaxies to which our Galaxy, the Milky Way, belongs and the coma cluster, a galaxy cluster that lies a few
hundred million light years away in the constellation
of Coma Berenices.
There are two different black hole scenarios proposed to explain these
objects: (1) they contain very «big» black holes that could be more than a thousand times more massive than the Sun (Note 1), or (2) they are relatively small black holes, «little monsters» with masses no more than a
hundred times that
of the Sun, that shine at luminosities exceeding theoretical limits for standard accretion (called «supercritical (or super-Eddington) accretion,» Note 2).
For
objects bigger than 1 centimetre, the estimates are frightening: there are anything from
hundreds of thousands to millions
of them, mostly in unknown orbits and each capable
of smashing a satellite to smithereens.
An
object hundreds or thousands
of times the mass
of the sun would represent an elusive class
of black hole
For 18 months everything went well, then he relapsed and started to bang his head on
objects and to punch or slap his face
hundreds of times a day.
Now it is the
object of a mammoth international modeling effort that is expected to occupy
hundreds of scientists for 10 years at a cost
of at least $ 100 million.
The first stars born in the universe are believed to have been massive
objects, up to
hundreds of times bigger than the sun.
In the past decade, astronomers have spotted
hundreds of objects in the Kuiper belt, one
of them (Eris) even bigger than Pluto.
But like a drop
of red dye thrown into the ocean, those stars emerged into an enormous
object — a galaxy boasting
hundreds of billions
of other stars.
With much shorter wavelengths than photons
of visible light, electron beams can be used to observe
objects hundreds of times smaller than those that can be resolved with an optical microscope.
It is entirely feasible that within those few days the earth could receive
hundreds of blows like that
of the Tunguska
object.»
Before this, astronomers were forced to use much less reliable techniques to estimate the distances
of objects more than a few
hundred parsecs from our solar system.
Two
of the
objects, several
hundred light years away, were identified by researchers as being the most Earth - like planets
of any discovered to date.
The burning
of fossil fuels is altering the ratio
of carbon in the atmosphere, which may cause
objects tested in the coming decades to seem
hundreds or thousands
of years older than they actually are, according a study published in the Proceedings
of the National Academy
of Sciences.
As an
object moves through the doughnut hole, the scanner takes
hundreds of X-rays from a range
of different angles.
Similarly to dwarf planets, there are potentially
hundreds of plutoid
objects in the solar system that have yet to be given official status.
The primary shows weaker alkali lines than field dwarfs
of similar spectral type, but still consistent with either a high - gravity dwarf or a younger
object of hundreds of millions
of years.