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Transverse Impulse Rocket System (TIRS) Configuration

Transverse Impulse Rocket System (TIRS) Configuration

August 24, 2015

Transverse Impulse Rocket System (TIRS) Configuration

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NASA/JPL-Caltech

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NASA's Mars Exploration Rover Spirit has been making tracks on Mars for seven months now, well beyond its original 90-day mission. The rover traveled more than 3 kilometers (2 miles) to reach the "...
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NASA's Mars Exploration Rover Spirit traveled more than 3 kilometers (2 miles) to reach the "Columbia Hills" pictured here.
Making Tracks on Mars (3-D)
NASA's Opportunity rover appears as a blip in the center of this square. This image taken by HiRISE, a high-resolution camera onboard NASA's Mars Reconnaissance Orbiter, shows the dust storm over P...
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NASA's Opportunity rover appears as a blip in this image, which was taken by HiRISE, a high-resolution camera on NASA's Mars Reconnaissance Orbiter.
Opportunity After the Dust Storm
The rover launch site at Cape Canaveral, Florida is the "Lightning Capital of the United States." Launching a spacecraft safely is challenging enough. Learn how the Force of Nature intercepted the ...
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Challenges of Getting to Mars: Weather Dangers and Delays
Challenges of Getting to Mars: Weather Dangers and Delays
Download a PDF of the 2019 - 2020 Mars Calendar.
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Click to download: 2019 - 2020 Mars Calendar
2019-2020 Mars Calendar
This synthetic image of NASA's Opportunity Mars Exploration Rover inside Endurance Crater was produced using "Virtual Presence in Space" technology.
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This synthetic image of NASA's Opportunity Mars Exploration Rover inside Endurance Crater was produced using "Virtual Presence in Space" technology.
Opportunity on 'Burns Cliff' (Simulated)
This series of images shows simulated views of a darkening Martian sky blotting out the Sun from NASA’s Opportunity rover’s point of view, with the right side simulating Opportunity’s current view ...
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This series of images shows simulated views of a darkening Martian sky blotting out the Sun from NASA’s Opportunity rover’s point of view, with the right side simulating Opportunity’s current view in the global dust storm (June 2018).
Shades of Martian Darkness
NASA's Mars Exploration Rover Opportunity recorded this stereo view of a crater informally named "Freedom 7" shortly before the 50th anniversary of the first American in space: astronaut Alan Shepa...
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NASA's Mars Exploration Rover Opportunity recorded this stereo view of a crater informally named "Freedom 7" shortly before the 50th anniversary of the first American in space: astronaut Alan Shepard's flight in the Freedom 7 spacecraft.
Martian 'Freedom 7' Crater 50 Years After Freedom 7 Flight (Stereo)
In the Payload Hazardous Servicing Facility, an overhead crane lowers the Mars Exploration Rover (MER) aeroshell toward a rotation stand.
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In the Payload Hazardous Servicing Facility, an overhead crane lowers the Mars Exploration Rover (MER) aeroshell toward a rotation stand.
Crane Lowers Aeroshell
Researchers created each of 11 pieces in the 3D printer and glued them together to build the true-size model.
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Researchers created each of 11 pieces in the 3D printer and glued them together to build the true-size model.
Meteorite Model Pieces
From left: Dave Lavery, program executive for Solar System Exploration at NASA Headquarters, Dr. Ed Weiler, associate administrator, Office of Space Science, NASA Headquarters, Pete Theisinger, (fo...
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From left: Dave Lavery, program executive for Solar System Exploration at NASA Headquarters, Dr. Ed Weiler, associate administrator, Office of Space Science, NASA Headquarters, Pete Theisinger, (former) Mars Exploration Rover project manager and JPL lab director, Dr. Charles Elachi celebrate the success of Spirit's landing and transmission of first images.
Spirit: Egress
NASA discussed the status of its Mars Exploration Rover (MER) Opportunity in a media briefing at 11 a.m. PST (2 p.m. EST) Wednesday, Feb. 13, from the agency’s Jet Propulsion Laboratory (JPL) in Pa...
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NASA discussed the status of its Mars Exploration Rover (MER) Opportunity in a media briefing at 11 a.m. PST (2 p.m. EST) Wednesday, Feb. 13, from the agency’s Jet Propulsion Laboratory (JPL) in Pasadena, California.
NASA Shares Results of Effort to Recover Mars Rover
This image from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity shows the location of a rock called "Pinnacle Island" before it appeared in front of the rover in early Ja...
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This image from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity shows the location of a rock called "Pinnacle Island" before it appeared in front of the rover in early January 2014.
Where Martian 'Jelly Doughnut' Rock Came From (True Color)
What looks like the rover "neck and head" is called the Pancam Mast Assembly.
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What looks like the rover "neck and head" is called the Pancam Mast Assembly.
Mars Exploration Rover Panoramic Camera Mast Assembly
Buzz Aldrin, an Apollo 11 astronaut who walked on the moon, makes a holographic appearance in 'Destination: Mars,' a mixed-reality tour of a part of Mars that NASA's Curiosity rover has explored.
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Buzz Aldrin, an Apollo 11 astronaut who walked on the moon, makes a holographic appearance in 'Destination: Mars,' a mixed-reality tour of a part of Mars that NASA's Curiosity rover has explored.
Buzz Aldrin
In this selfie, Spirit shows her solar panels gleaming in the Martian sunlight and carrying only a thin veneer of dust two years after the rover landed and began exploring the red planet.
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In this selfie, Spirit shows her solar panels gleaming in the Martian sunlight and carrying only a thin veneer of dust two years after the rover landed and began exploring the red planet.
Still Shining After All This Time (Vertical)
Spirit acquired this mosaic while investigating the area east of the elevated plateau known as "Home Plate" in the "Columbia Hills." The trench exposed a patch of nearly pure silica, with the comp...
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Spirit acquired this mosaic while investigating the area east of the elevated plateau known as "Home Plate" in the "Columbia Hills." The trench exposed a patch of nearly pure silica, with the composition of opal. It could have come from either a hot-spring environment or an environment called a fumarole, in which acidic, volcanic steam rises through cracks. Either way, its formation involved water, and on Earth, both of these types of settings teem with microbial life.
Rover's Wheel Churns Up Bright Martian Soil
View the many unique areas that the Mars Exploration Rover Opportunity traveled during its 11 year historic journey. (Audio: music only)
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11 Years and Counting: Opportunity on Mars
11 Years and Counting: Opportunity on Mars
This map updates progress that NASA's Mars Exploration Rover Opportunity is making toward reaching a driving distance equivalent to a marathon footrace. It indicates the rover's position on March 2...
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This map updates progress that NASA's Mars Exploration Rover Opportunity is making toward reaching a driving distance equivalent to a marathon footrace. It indicates the rover's position on March 23, 2015, relative to where it could surpass that distance.
Rover's Progress Toward Mars Marathon, Sol 3966
This 360-degree panorama was taken by "Dusty," a fully-working replica of NASA's Opportunity rover at the agency's Jet Propulsion Laboratory. The panorama was taken as part of a software test. Memb...
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This 360-degree panorama was taken by "Dusty," a fully-working replica of NASA's Opportunity rover at the agency's Jet Propulsion Laboratory. The panorama was taken as part of a software test. Members of the Opportunity team gathered to sit in during the panorama.
Dusty's Panorama
This Aug. 15, 2014, scene from the Pancam on NASA's Mars Exploration Rover Opportunity looks back toward part of the west rim of Endeavour Crater that the rover drove along, heading southward, duri...
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This Aug. 15, 2014, scene from the Pancam on NASA's Mars Exploration Rover Opportunity looks back toward part of the west rim of Endeavour Crater that the rover drove along, heading southward, during the summer of 2014. This version is in false color, making the rover's wheel tracks more apparent.
Rover Tracks in Northward View Along West Rim of Endeavour, False Color
"Perseverance Valley" lies just on the other side of the dip in the crater rim visible in this view from the Navigation Camera (Navcam) on NASA's long-lived Mars Exploration Rover Opportunity, whic...
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"Perseverance Valley" lies just on the other side of the dip in the crater rim visible in this view from the Navigation Camera (Navcam) on NASA's long-lived Mars Exploration Rover Opportunity, which arrived at this destination in early May 2017 in preparation for driving down the valley.
Crater Rim and Plain at Head of 'Perseverance Valley,' Mars
Artist's concept of controlling the rover from Earth, scientists drive the rover along Mars' surface inspecting geological features.
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Artist's concept of controlling the rover from Earth, scientists drive the rover along Mars' surface inspecting geological features.
Mars Exploration Rovers: Rover approaching a point of interest
On the horizon in the right half of this panoramic view is an area of Mars informally named "Matijevic Hill," in commemoration of an influential rover-team leader.
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On the horizon in the right half of this panoramic view is an area of Mars informally named "Matijevic Hill," in commemoration of an influential rover-team leader.
'Matijevic Hill' on Rim of Mars' Endeavour Crater, Right View
"Intrepid" crater on Mars carries the name of the lunar module of NASA's Apollo 12 mission, which landed on Earth's moon Nov. 19, 1969.
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"Intrepid" crater on Mars carries the name of the lunar module of NASA's Apollo 12 mission, which landed on Earth's moon Nov. 19, 1969.
'Intrepid' Crater on Mars
Two spacecraft engineers join a grouping of vehicles providing a comparison of three generations of Mars rovers developed at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The setting is JPL's ...
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Two spacecraft engineers join a grouping of vehicles providing a comparison of three generations of Mars rovers developed at NASA's Jet Propulsion Laboratory, Pasadena, Calif. The setting is JPL's Mars Yard testing area.
Three Generations of Rovers with Crouching Engineers

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