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Mars radiation levels

Mars radiation levels are two to three times higher than around Earth.

August 24, 2004

Credit

NASA/JPL/JSC/Lawrence Berkeley National Laboratory

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This crater, located in Chryse Planitia, is relatively unmodified, meaning it appears very much like it did when it first formed.
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This crater, located in Chryse Planitia, is relatively unmodified, meaning it appears very much like it did when it first formed.
Lismore Crater
Stages in the seasonal disappearance of surface ice from the ground around the Phoenix Mars Lander are visible in these images taken on Feb. 8, 2010, (left) and Feb. 25, 2010, during springtime on ...
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Stages in the seasonal disappearance of surface ice from the ground around the Phoenix Mars Lander are visible in these images taken on Feb. 8, 2010, (left) and Feb. 25, 2010, during springtime on northern Mars.
Ice Around Phoenix Lander Continues to Lessen in Spring
This computer-generated view based on multiple orbital observations shows Mars' Gale crater as if seen from an aircraft north of the crater.
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This computer-generated view based on multiple orbital observations shows Mars' Gale crater as if seen from an aircraft north of the crater.
Oblique view of Gale Crater from the North (Unannotated)
This mosaic of infrared images shows the abundance and location of hematite at Opportunity's landing site, Meridiani Planum. On Earth, hematite is a mineral that typically forms in water.
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This mosaic of infrared images shows the abundance and location of hematite at Opportunity's landing site, Meridiani Planum. On Earth, hematite is a mineral that typically forms in water.
Meridiani Planum
Re-analysis of 2002-2009 data from a hydrogen-finding instrument on NASA's Mars Odyssey orbiter increased the resolution of maps of hydrogen abundance. 
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Analysis Sharpens Mars Hydrogen Map
Analysis Sharpens Mars Hydrogen Map, Hinting Equatorial Water Ice
Continuing our survey of non-crater dune fields brings us to this group of dunes in Aonia Terra. The daytime IR illustrates the warmth of the dune material compared to the surrounding materials.
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Continuing our survey of non-crater dune fields brings us to this group of dunes in Aonia Terra. The daytime IR illustrates the warmth of the dune material compared to the surrounding materials.
Aonia Terra Dunes
Odyssey launched on Boeing's Delta II 7925 that uses nine strap-on solid rocket motors.
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Odyssey launched on Boeing's Delta II 7925 that uses nine strap-on solid rocket motors.
Odyssey Launches Boeing's Delta II 7925
Spider Web Pattern
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Spider Web Pattern
Spider Web Pattern
NASA's NEOWISE mission detected comet C/2013 A1 Siding Spring on July 28, 2014, less than three months before this comet's close flyby of Mars on Oct. 19. This merging of multiple images presents t...
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NASA's NEOWISE mission detected comet C/2013 A1 Siding Spring on July 28, 2014, less than three months before this comet's close flyby of Mars on Oct. 19. This merging of multiple images presents the comet in four different positions relative to the background stars.
NEOWISE Spies Comet C/2013 A1 Siding Spring a Second Time
At the time this video was released, the Odyssey team had successfully completed the third trajectory correction maneuver to adjust the spacecraft's flightpath toward its final aimpoint for entry i...
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Challenges of Getting to Mars: Interplanetary Cruise
Challenges of Getting to Mars: Interplanetary Cruise
Ius Chasma is unique from the other chasmata of Valles Marineris in possessing mega gullies on both sides of the chasma. This image was captured by NASA's 2001 Mars Odyssey spacecraft.
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Investigating Mars: Ius Chasma
Investigating Mars: Ius Chasma
This artist's concept shows NASA's Mars orbiters lining up behind the Red Planet for their "duck and cover" maneuver to shield them fro comet dust that may result from the close flyby of comet Sidi...
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This artist's concept shows NASA's Mars orbiters lining up behind the Red Planet for their "duck and cover" maneuver to shield them fro comet dust that may result from the close flyby of comet Siding Spring (C/2013 A1) on Oct. 19, 2014.
Siding Spring Mars Spacecraft
This region of Terra Sabaea contains areas with high densities of small craters.
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This region of Terra Sabaea contains areas with high densities of small craters.
Lot of Craters in Terra Sabaea
This artist's animation shows how NASA's Curiosity rover will communicate with Earth via two of NASA's Mars orbiters, Mars Reconnaissance Orbiter and Odyssey. As the rover descends to the surface o...
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Communicating with Curiosity
Communicating with Curiosity
This artist's animation shows how orbiters over Mars will monitor the landing of NASA's Curiosity rover. (No audio)
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Great Convergence of Spacecraft around Mars
Great Convergence of Spacecraft around Mars
This map of Mars indicates locations of new craters that have excavated ice (blue) and those that have not (red). The underlying map is based on the brightness, or albedo, of the Martian surface.
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This map of Mars indicates locations of new craters that have excavated ice (blue) and those that have not (red). The underlying map is based on the brightness, or albedo, of the Martian surface.
Locations of Ice-Exposing Fresh Craters on Mars
This pair of maps indicates locations of confirmed sites of recurrent slope linea on Mars, with respect to elevation (upper map) and surface brightness, or albedo (lower map).
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This pair of maps indicates locations of confirmed sites of recurrent slope linea on Mars, with respect to elevation (upper map) and surface brightness, or albedo (lower map).
Maps of Recurrent Slope Linea Markings on Mars
The artist's animation depicts how NASA's Curiosity rover will communicate with Earth during landing. As the rover descends to Mars, it will send out basic radio-frequency tones that go directly to...
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Curiosity Speaks
Curiosity Speaks
Ninth-grade, high-school students from Peoria, AZ analyze images of Mars.
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Ninth-grade, high-school students from Peoria, AZ analyze images of Mars.
Student Teams Work As Real Scientists
The dunes in this VIS image are located in Aonia Terra.
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The dunes in this VIS image are located in Aonia Terra.
Dunes in Aonia Terra
Phobos and Deimos, the moons of Mars, are seen in this image from NASA's 2001 Mars Odyssey orbiter. The distance to Deimos from Odyssey during the observation was about 12,222 miles (19,670 kilomet...
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Mars Odyssey Observes Martian Moons
Mars Odyssey Observes Martian Moons
First THEMIS Image of Mars
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First THEMIS Image of Mars
First THEMIS Image of Mars
This image captured by NASA's 2001 Mars Odyssey spacecraft shows a section of Nanedi Valles, located in Xanthe Terra.
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Nanedi Valles
Nanedi Valles
A group of small, unnamed craters in the martian southern hemisphere is the first site captured by a group of middle school students who are operating the camera system onboard NASA's Mars Odyssey ...
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Students looking at a computer while participating in the Mars Student Imaging Project
Students participating in the Mars Student Imaging Project
This image from NASA's Mars Odyssey shows a crater from a double impact - two meteors hitting simultaneously. The two meteors would have started as a single object and, at some point prior to impac...
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This image from NASA's Mars Odyssey shows a crater from a double impact - two meteors hitting simultaneously. The two meteors would have started as a single object and, at some point prior to impact, separated into two parts.
Doublet Crater

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