Cassini is scheduled to make a close flyby of Enceladus on Oct. 28, in the mission's deepest - ever dive through the moon's active plume
of icy material.
The vast fountains
of icy material erupting from Enceladus's south pole enthralled planetary scientists when they were first spotted in images returned by NASA's Cassini spacecraft in 2005.
This in turn suggests that the planet was bombarded by a lot
of icy material which gathered in its atmosphere.
Because a comet's nucleus is made up of a combination
of icy materials and loosely consolidated «dirt,» when a comet is heated by passing close to the Sun, it more or less slowly disintegrates, producing the visible tail.
Not exact matches
Designed for wearing at work but flexible enough for a quick hike around town as well, the Santiago shoes use
materials made mostly
of leather with a rubber sole that can handle slick
icy surfaces.
The
icy materials in 67P will vaporise, emitting gas and dust in a tail that will trail for thousands
of kilometres and be observed by Rosetta.
The other suggests they arose in a two - stage process called core accretion, in which bits
of material smashed and fused together to form bigger rocky,
icy bodies.
The jets also supply
icy material to one
of Saturn's rings.
It is a giant swarm
of icy objects believed to be
material left over from the formation
of the solar system.
Astronomers believe this region, called the Oort cloud, contains a vast collection
of icy debris left over from
material that came together to form the sun, Earth, and the other major planets 4.6 billion years ago.
Last year, scientists predicted that some
of the
material spewed out into space by the
icy geysers at Enceladus's south pole would slowly fall down to certain areas on the surface.
Carolyn Porco, leader
of the Cassini imaging team, says the ring pictures may even help us figure out how Earth formed: «If we understand how
icy particles in the outer solar system behave, then we can refine our understanding
of how the early solar system formed from that same
material.»
Like a cosmic lava lamp, a large section
of Pluto's
icy surface is renewed by a process called convection that replace older ices with fresher
material.
In particular, sensors that could analyze the chemical composition
of the plumes, either remotely or by sampling the
material as it whizzed through the vapor, could provide keen insights into the chemical processes taking place on or deep beneath Europa's
icy surface.
What little rocky
material occurs in today's ring system probably is the debris
of collisions between
icy ring particles and asteroids and comets swept up by the planet's huge gravitational field, says Canup.
Philae's job is to sample the pristine
icy material, looking for clues to the origins
of Earth's oceans and
of life itself.
If Pluto's core was rocky and its mantle
icy, most
of the
material blasted into space by the collision would have been ice, accounting for Pluto's high rock - to - ice ratio today.
For example, the spacecraft spotted geysers
of water vapor and other
material blasting from the south pole
of the
icy moon Enceladus.
The presence
of icy grains is expected to assist in the formation
of planets since it creates additional, solid
material to form the planetary core.
(4) Does the «typical» circumstellar disk states
of primary star + Kuiper Belt Star show evidence for
material from each
of the different kinds
of small outer solar system bodies (Comets, Centaurs, KBOs) like the active comet debris in HR4796A and the
icy KBO debris in Fomalhaut and HD 32297?
Icy moons are made mostly
of ice, which can be frozen water, or ice made
of other
materials.
The team found that, at the high pressures expected in the moon's ocean,
icy materials called clathrates could form that imprison methane molecules within a crystal structure
of water ice.
This water even escapes as geysers, through fissures in its
icy crust, producing stunning plumes that eject
material hundreds
of miles high and into Saturn's rings.
These composite images show a suspected plume
of material erupting two years apart from the same location on Jupiter's
icy moon Europa.
If you regularly run on trails or in very
icy, slushy, or muddy conditions, it's worth checking to see if your favorite shoe comes in Gore - Tex, the lightweight, waterproof
material found in all kinds
of outdoor gear.
She always seemed so detached from the
material, as though her
icy demeanor was not just a character choice but a way
of deflecting the
material.
Juvenile provocation for provocation's sake, Hard Candy delights in its stylishly deviant
material — in which squishy - sounding mutilation and garbage disposal testicle - grinding occurs in an
icy, claustrophobic apartment characterized by sharp architectural angles and symbolic primary colors — while both pulling its ghastly punches and failing to exhibit the devilish irony
of an American Psycho or the meta accusations
of a Funny Games.
Icy planetesimals likely were the carriers
of materials like water and carbon compounds that are the fundamental building blocks
of life.
We expect these kinds
of crashes will increase over the holidays, with a combination
of icy winter weather and the tendency
of trucking companies to overload their vehicles and overwork their drivers in an attempt to meet end -
of - the - year demands for goods and
materials.
From the
Icy Crystal Santa's Gifts Collection Features beautiful formations
of dendrites with the elegance
of ice sculptures Dimensions: 6 «H.
Material (s): acrylic Pack includes 18
of the item shown