Remote sensing Archives - Eos

skip to main content

Planetary Sciences

Phobos, the larger of Mars’ two tiny satellites, pictured near the limb of Mars by the robot spacecraft Mars Express in 2010.

Scientific Press Releases 25 September 2018

Martian Moon May Have Come from Impact on Home Planet

Spectral fingerprints of Phobos’ surface support an ancient big crash origin for the Martian moon.

Planetary Sciences

Icy Bay in Alaska’s Wrangell-Saint Elias Wilderness

News 13 September 2018

Global Ice Monitoring Satellite to Launch as Early as This Week

The soon-to-launch satellite will measure the height and thickness of sea ice, glaciers, ice sheets, and permafrost around the world to an unprecedentedly high precision.

Planetary Sciences

Image of part of the Cerberus Fossae fault, taken by the HiRISE instrument aboard the Mars Reconnaissance Orbiter.

Research Spotlight 28 August 2018

Searching for Signs of Marsquakes

Researchers use high-resolution images of Mars’s surface to look for signals of coseismic displacement.

Planetary Sciences

Mercury’s south pole to 80°S, with an Arecibo radar image in pink indicating locations of water ice.

Research Spotlight 20 April 2018

Evidence of Extensive Ice Deposits Near Mercury’s South Pole

New radar observations and refined illumination maps reveal uneven water ice deposits twice the size of those found around the planet’s north pole, suggesting the source may be a recent comet impact.

Hydrology, Cryosphere & Earth Surface

Horizontal exposure of cyclic cross strata in the Navajo Sandstone

Meeting Report 15 February 2018

Planetary Dune Workshop Expands to Include Subaqueous Processes

The Fifth International Planetary Dunes Workshop: From the Bottom of the Oceans to the Outer Limits of the Solar System; St. George, Utah, 16–19 May 2017

Planetary Sciences

Irradiation-induced color changes in sodium chloride suggest Europa’s ocean waters are mixing with surface waters—a sign of the moon’s potential to support life

Research Spotlight 31 January 2018

Seeking Salt That Surfaces from Europa’s Hidden Ocean

Irradiation-induced color changes in sodium chloride could reveal whether it came from ocean water mixing with surface water, a key component of the moon’s potential to support life.

Planetary Sciences

Researchers examine images taken by NASA’s Curiosity rover to see how Martian sand dunes form.

Research Spotlight 29 June 2017

Curiosity Spies Shifting Sands on Mars

Images from the rover’s pioneering encounter with sand dunes on Mars constrain wind speeds required to move sand in the thin Martian atmosphere.

The movement of the Gulf Stream has big impacts on ocean mixing and heat transport off the East Coast of the U.S.

Research Spotlight 8 November 2016

Gulf Stream Destabilization Point Is on the Move

Westward migration of the wavelike Gulf Stream pattern could have big effects on ocean mixing and heat transport off the U.S. East Coast.

Hydrology, Cryosphere & Earth Surface

water-valleys-show-climate-Mars-warm-wet-later

Research Spotlight 30 September 2016

Mars’s Climate May Have Been Wet Much Later Than Thought

Water-carved valleys may be relatively young, challenging assumptions about the history of the Red Planet's climate.

Planetary Sciences

orbiter-data-shows-frost-not-liquid-water-helped-Martian-gullies-formation

Research Spotlight 26 August 2016

How Do Gullies Form on Mars?

New orbiter data support an important role for seasonal frost—not liquid water—in the formation of Martian gullies.