Tag Archive for 'Mars'

This image shows ancient Mars capable of supporting liquid water on its surface. Image credit: Michael Lentz / NASA Goddard Conceptual Image Lab.

MAVEN Finds New Evidence that Most of Martian Atmosphere Was Lost to Space

Mar 31, 2017 by News Staff

According to an analysis of new data from NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft, solar wind and radiation are responsible...

This digital-image mosaic of Mars’ Tharsis plateau shows the extinct volcano Arsia Mons. It was assembled from images that NASA’s Viking 1 orbiter took during its 1976-1980 working life at Mars. Image credit: NASA / JPL / USGS.

Martian Shield Volcano Arsia Mons Was Last Active 50 Million Years Ago, Research Reveals

Mar 21, 2017 by News Staff

According to new research reported in the journal Earth and Planetary Science Letters, the 10-mile- (16 km) high Martian shield volcano called Arsia Mons...

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...

A large pit valley in Lucaya crater, Mars: (a) exposure of putative crossbeds on windward slope of dunes, and (b) interdune strata exposed in planform showing contrasting albedo and crosscutting relationships similar to that exposed in the dune. Image credit: M.C. Bourke & H.A. Viles.

Researchers Uncover New Evidence for Water on Ancient Mars

Feb 19, 2017 by News Staff

Dr. Mary Bourke from Trinity College Dublin and University of Oxford Professor Heather Viles have discovered a patch of land in an equatorial crater on...

This artist’s concept depicts the early Martian environment (right) -- believed to contain liquid water and a thicker atmosphere -- versus the cold, dry environment seen at Mars today (left). Image credit: NASA’s Goddard Space Flight Center.

Did Ancient Martian Volcanism Provide the Sunblock to Get Life Going?

Feb 8, 2017 by James Romero

Intense volcanism early in Mars history could have aided the emergence of life on the red planet through filtering out harmful ultraviolet (UV) radiation...

Hand sample images of the cut NWA 7635 stone and a representative backscattered electron image of the igneous texture of the stone. Image credit: Thomas J. Lapen et al, doi: 10.1126/sciadv.1600922.

Rare Martian Meteorite Provides Clues to Red Planet’s Evolution

Feb 2, 2017 by News Staff

Northwest Africa (NWA) 7635 — a Martian meteorite found in Algeria in 2012 — has given planetary researchers information about volcanic activity...

Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective, a view similar to that which one would see from a spacecraft. The distance is 1,550 miles (2,500 km) from the surface of the planet. The mosaic is composed of 102 Viking Orbiter images of Mars. The center of the scene shows the entire Valles Marineris canyon system, over 1,240 miles (2,000 km) long and up to 5 miles (8 km) deep, extending form Noctis Labyrinthus, the arcuate system of graben to the west, to the chaotic terrain to the east. Many huge ancient river channels begin from the chaotic terrain from north-central canyons and run north. The three Tharsis volcanoes (dark red spots), each about 15.5 miles (25 km) high, are visible to the west. South of Valles Marineris is very ancient terrain covered by many impact craters. Image credit: NASA / JPL-Caltech.

Methane Gas May Have Caused Greenhouse Effect on Young Mars, Planetary Researchers Say

Jan 25, 2017 by News Staff

Methane present in the early Martian atmosphere, together with carbon dioxide and hydrogen may have created a greenhouse effect on the planet 3.5-4.5 billion...

This view of a Martian rock slab called ‘Old Soaker,’ which has a network of cracks that may have originated in drying mud, comes from the Mast Camera on NASA’s Curiosity Mars rover. The location is within an exposure of Murray formation mudstone on lower Mount Sharp inside Gale Crater. Mud cracks would be evidence of a time more than 3 billion years ago when dry intervals interrupted wetter periods that supported lakes in the area. Several images from Mast Camera’s left-eye camera are combined into this mosaic view. They were taken on Dec. 20, 2016, during the 1,555th sol of Curiosity’s work on Mars. The Old Soaker slab is about 4 feet (1.2 m) long. Image credit: NASA / JPL-Caltech / MSSS.

Curiosity Finds Possible Signs of Ancient Drying on Mars

Jan 18, 2017 by News Staff

A grid of small polygons spotted by NASA’s Curiosity Mars rover may have originated as cracks in drying mud more than 3 billion years ago, according...

Earth-Moon System as Seen from Mars Orbit

Jan 9, 2017 by News Staff

This image composite combines the best Earth image with the best Moon image from four sets of images acquired on November 20, 2016, by the High Resolution...

This artist’s impression shows how Mars may have looked about 4 billion years ago. Image credit: M. Kornmesser / ESO.

More Evidence for Warm, Wet Early Mars

Dec 27, 2016 by News Staff

A study published in the Journal of Geophysical Research: Planets provides new evidence for a warm early Mars that hosted water across a geologically long...

This low-angle self-portrait of NASA’s Curiosity rover shows the vehicle at the site from which it reached down to drill into a rock target called ‘Buckskin’ on lower Mount Sharp. The selfie combines several component images taken by Curiosity’s Mars Hand Lens Imager (MAHLI) on Aug. 5, 2015, during 1065 Sol (Martian day) of the rover’s work on Mars. For scale, the rover’s wheels are 20 inches (50 cm) in diameter and about 16 inches (40 cm) wide. Image credit: NASA / JPL-Caltech / MSSS.

NASA’s Curiosity Rover Finds Boron on Martian Surface

Dec 14, 2016 by Enrico de Lazaro

Boron, a metalloid chemical element with properties intermediate between those of carbon and aluminum, has been identified for the first time on the Martian...

Color composite of Phobos taken with TGO’s CaSSIS camera on November 26, 2016. The observation was made at a distance of 4,785 miles (7,700 km). To create the final color image, two images were taken through each of the four color filters of the camera -- panchromatic, blue-green, red and infrared -- and then stitched together and combined to produce the high-resolution composite. Two of the color filters used by CaSSIS lie outside the wavelength response of the human eye, so this is not a ‘true’ color image. However, showing the data as a color representation can reveal details of the surface mineralogy. Different colors are clearly seen, with the bluest part in the direction of the large crater Stickney, which is out of view over the limb to the left. Although the exact composition of the material is unknown, the color differences are thought to be caused by compositional variations on scales of hundreds of feet to several miles. Image credit: ESA.

ExoMars Trace Gas Orbiter Snaps Color Image of Phobos

Dec 11, 2016 by News Staff

ESA’s ExoMars Trace Gas Orbiter (TGO) has sent back its first color image of Phobos, the larger and inner of the two natural satellites of Mars. Color...

Star of Bethlehem May Not Have Been Star After All, Says Astrophysicist

Dec 2, 2016 by News Staff

Grant Mathews, professor of theoretical astrophysics and cosmology in the University of Notre Dame’s College of Science, believes the event that led...

Artist's impression of the Schiaparelli lander after the parachute has been deployed. Image credit: ESA / ATG Medialab.

Schiaparelli Crash Caused by Sensor Malfunction, ESA Experts Say

Nov 24, 2016 by News Staff

The crash of the ExoMars Schiaparelli test lander, also known as Entry, descent, and landing Demonstrator Module (EDM), last month was caused by a sensor...

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...

On November 1, HiRISE camera on NASA’s Mars Reconnaissance Orbiter observed the impact site of Schiaparelli lander, gaining the first color view of the site since the lander’s Oct. 19 arrival. These cutouts from the observation cover three locations where parts of Schiaparelli reached the ground: the lander module itself in the upper portion, the parachute and back shell at lower left, and the heat shield at lower right. The heat shield location was outside of the area covered in color. The scale bar of 32.8 feet (10 m) applies to all three cutouts. Image credit: NASA / JPL-Caltech / University of Arizona.

New HiRISE Image Shows Schiaparelli Crash Site in Color

Nov 4, 2016 by News Staff

The latest image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter shows parts of ESA’s ExoMars...

The smooth-surfaced rock at the center of this Oct. 30 image from Curiosity’s Mast Camera was examined by the rover’s ChemCam instrument and confirmed to be an iron-nickel meteorite. Image credit: NASA / JPL-Caltech / MSSS.

Curiosity Finds Odd-Looking Iron-Nickel Meteorite on Mars

Nov 3, 2016 by News Staff

A small globular object found by NASA’s Curiosity rover at the Murray Formation of lower Mount Sharp on Mars has been identified as an iron-nickel meteorite. The...

Artist’s impression of the Schiaparelli module on the surface of Mars. Image credit: ESA / ATG Medialab.

Mars Reconnaissance Orbiter Takes Closer Look at Schiaparelli Crash Site

Oct 28, 2016 by News Staff

An image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter (MRO) reveals further details of the...

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