Tag Archive for 'Ice'

Large, smooth areas on Vesta correlated with higher concentrations of hydrogen. Image credit: Elizabeth Palmer / Essam Heggy.

Dawn Data Provide New Evidence for Ground Ice on Asteroid Vesta

Sep 22, 2017 by News Staff

Using data from NASA’s Dawn spacecraft, researchers have found new evidence for the occurrence of ground ice on Vesta, the second largest asteroid of...

Deutsch et al found new evidence of ice sheets in permanently shadowed craters near the north pole of the planet Mercury. Image credit: Brown University.

Scientists Find New Evidence for Surface Water Ice at Mercury’s North Pole

Sep 21, 2017 by News Staff

A new study led by Brown University planetary researchers adds three new large members to the list of water ice-filled craters near Mercury’s north pole...

Zeolitic ice (left) and aeroice (right) are illustrated: their structure can be regarded as combinations of a couple of polyhedral building blocks. In molecular scale, each polygonal face of the polyhedra is made of water molecules (left bottom); yellow lines are hydrogen bonds. Image credit: Masakazu Matsumoto / CC BY 2.0.

Scientists Predict Existence of Ultralow-Density Ices: ‘Aeroices’

Sep 6, 2017 by News Staff

A research team at Okayama University in Japan has theoretically predicted a new class of ice phases, called aeroices, likely the most stable solid phases...

Oxo Crater is the second-brightest feature on Ceres. Only Occator’s central area is brighter. Oxo lies near the 0 degree meridian that defines the edge of many Ceres maps, making this small feature easy to overlook. NASA’s Dawn spacecraft took this image in its low-altitude mapping orbit, at a distance of 385 km from the surface of Ceres. Image credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA / PSI.

Crater Slope Avalanches Reveal Ceres’ Surface Water Ice

Aug 25, 2017 by James Romero

Surface water ice found within a brilliantly bright crater on the dwarf planet Ceres is being exposed by avalanches reprocessing impact deposits in just...

Experimental configuration of the X-ray Free Electron Laser probe and optical laser; the shock freezing behavior of water captured in a Debye-Scherrer geometry. Inset: schematic of target package as a cut away side view. Image credit: Gleason et al, doi: 10.1103/PhysRevLett.119.025701.

Researchers Observe Real-Time Growth of Exotic ‘Ice VII’

Jul 12, 2017 by News Staff

A Stanford-led research team has captured the freezing of water, molecule-by-molecule, into a super-dense, exotic form of ice called ice VII. The results...

Amaya et al created 78% cubic ice crystals. Image credit: Ohio State University.

Physical Chemists Create 78% Cubic Ice Crystals

Jul 10, 2017 by News Staff

Physical chemists from Ohio State University and elsewhere have set a new record for creating ice crystals that have a near-perfect cubic arrangement of...

An artist’s impression of the two forms of ultra-viscous liquid water with different density; on the background is depicted the X-ray speckle pattern taken from actual data of high-density amorphous ice, which is produced by pressurizing water at very low temperatures. Image credit: Mattias Karlén.

Physicists Discover Two Low-Temperature Forms of Liquid Water

Jun 27, 2017 by News Staff

A Stockholm University-led team of physicists has discovered two low-temperature phases of liquid water with large differences in structure and density. An...

A view of the Moon’s south pole showing where reflectance and temperature data indicate the possible presence of surface water ice. Image credit: NASA’s Scientific Visualization Studio.

NASA’s Lunar Reconnaissance Orbiter Finds New Evidence of Surface Water Ice on Moon

Jun 2, 2017 by News Staff

Researchers analyzing data from NASA’s Lunar Reconnaissance Orbiter (LRO) have found evidence of surface frost near the Moon’s south pole. A view of...

Perspective view of Mars’ north polar ice cap and its distinctive dark troughs forming a spiral-like pattern. The view is based on images taken by ESA’s Mars Express and generated using elevation data from the Mars Orbiter Laser Altimeter on board NASA’s Mars Global Surveyor. Image credit: ESA / DLR / FU Berlin / NASA / MGS / MOLA Science Team.

ESA Releases Stunning Mosaic of Mars’ North Pole

Feb 20, 2017 by News Staff

Researchers, using a camera aboard ESA’s Mars Express, have created a stunning mosaic of Mars’ north polar region. Perspective view of Mars’ north...

In this extended color image of Pluto taken by NASA’s New Horizons spacecraft, rounded and bizarrely textured mountains, named the Tartarus Dorsa, rise up along Pluto’s day-night terminator and show intricate but puzzling patterns of blue-gray ridges and reddish material in between. This view, roughly 330 miles (530 km) across, combines blue, red and infrared images taken by New Horizons’ Ralph/Multispectral Visual Imaging Camera on July 14, 2015. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute.

New Horizons Spots Penitentes in Pluto’s Tartarus Dorsa Region

Jan 6, 2017 by Enrico de Lazaro

Planetary researchers using data from NASA’s New Horizons mission have found evidence of snow and ice features on the dwarf planet Pluto that, until...

This false-color image shows the dwarf planet Ceres. Image credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA.

Dawn Finds New Evidence for Water Ice on Ceres

Dec 28, 2016 by News Staff

Images from NASA’s Dawn probe have revealed a dark, cratered world whose brightest area is made of reflective salts — not water ice. But several...

This image is an artist’s concept of a view looking down on NASA’s Mars Reconnaissance Orbiter. The spacecraft is pictured using its SHARAD instrument to ‘look’ under the surface of Mars. Image credit: NASA.

NASA’s Mars Reconnaissance Orbiter Finds Subsurface Water Ice in Utopia Planitia

Nov 23, 2016 by News Staff

Frozen beneath Utopia Planitia, a large plain on Mars, lies about as much water as what’s in Lake Superior, according to an international team of planetary...

Artist’s concept of ocean on Jupiter’s moon Europa. Image credit: NASA / JPL-Caltech.

Ice-Quake Echoes Could Lift Lid on Oceans within Pluto and Europa

Nov 22, 2016 by James Romero

Measuring outer solar system ice-quakes could identify if Europa’s subsurface ocean is an oxygen-rich, leading candidates for life, or uncover the origin...

The Hellas depression. Image credit: Joseph S. Levy et al.

Concentrically-Fractured Depression on Mars Could Be Place to Look for Signs of Microbial Life

Nov 14, 2016 by News Staff

An unusual depression in the northern Hellas basin on Mars could be a new place to look for life on the planet, says a team of planetary researchers. The...

This New Horizons image shows Pluto’s small moon Nix. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute.

Pluto’s Small Moon Nix is Covered in Relatively Pure Water Ice

Jun 23, 2016 by Enrico de Lazaro

The latest data from NASA’s New Horizons probe reveal a water-ice signature on the surface of Nix, one of Pluto’s five known moons. This New Horizons...

This Pluto mosaic was made from New Horizons LORRI images taken on July 14, 2015, from a distance of 49,700 miles (80,000 km). This view is projected from a point 1,118 miles (1,800 km) above Pluto’s equator, looking northeast over the dark, cratered Cthulhu Regio toward the bright, smooth expanse of icy plains called Sputnik Planum. Pluto’s North Pole is off the image to the left. This mosaic was produced with panchromatic images from the New Horizons LORRI camera, with color overlaid from the Ralph color mapper onboard New Horizons. Image credit: S.A. Stern et al, doi: 10.1126/science.aad1815.

Pluto Likely Has a Hidden Liquid Ocean

Jun 21, 2016 by News Staff

When NASA’s New Horizons robotic spacecraft flew by Pluto in July 2015, it revealed clues that the enigmatic dwarf planet might have – or had at...

This image, taken by New Horizons’ LORRI camera on July 14, 2015, shows Pluto’s small, irregularly shaped moon Hydra. Image credit: NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute.

New Horizons Beams Back Compositional Data about Pluto’s Small Moon Hydra

May 10, 2016 by News Staff

The first compositional data from NASA’s New Horizons spacecraft about Pluto’s small, irregularly shaped moon Hydra show the moon’s surface is dominated...

An illustration of the ice XVII’s molecular configuration. Image credit: Yingying Huang / Chongqin Zhu.

Ice XVII: Chemists Predict Existence of New Form of Ice

Feb 15, 2016 by News Staff

An international team of scientists, led by Xiao Cheng Zeng from the University of Nebraska-Lincoln and Jijun Zhao from the Dalian University of Technology,...

Hair ice on a stem of beechwood, hair length up to 10 cm. Image credit: D. Hofmann et al.

European Biologists Finally Solve Mystery of Hair Ice

Jul 23, 2015 by News Staff

A team of scientists, led by Dr Diana Hofmann of the Institute of Bio- and Geosciences in Jülich, Germany, has identified the missing ingredient that...

Square ice between two graphene sheets as seen in a transmission electron microscope (TEM); high-contrast dark spots are oxygen atoms that indicate positions of water molecules; hydrogen atoms yield too little contrast to be resolved even by the TEM. The top right inset shows a magnified image of a small area in the centre of the ice crystal. Image credit: University of Ulm.

Physicists Create New Form of Ice: Square Ice

Mar 27, 2015 by News Staff

When water is confined at high pressure between sheets of graphene its molecules adopt a square configuration, says a team of physicists from the University...

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