# Opportunity

> former NASA Mars rover

**Wikidata**: [Q193538](https://www.wikidata.org/wiki/Q193538)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Opportunity_(rover))  
**Source**: https://4ort.xyz/entity/opportunity

## Summary
Opportunity was a NASA Mars rover that operated from 2004 to 2019 as part of the Mars Exploration Rover mission. It was designed to explore the surface of Mars, conducting scientific research and transmitting data back to Earth, and is notable for its longevity and contributions to planetary science.

## Key Facts
- **Launch Date**: July 8, 2003, from Cape Canaveral Space Launch Complex 17B.
- **Landing Date**: January 25, 2004, in the Eagle crater within the Margaritifer Sinus quadrangle on Mars.
- **Mass**: 185 kilograms.
- **Dimensions**: Height of 154 cm, wheelbase width of 122 cm, and length of 141 cm (wheelbase).
- **Power Source**: Solar arrays generating 900 watts and lithium-ion batteries.
- **Operator**: Jet Propulsion Laboratory (JPL).
- **Mission Duration**: Operated for over 15 years, far exceeding its original 90-day mission.
- **Significant Events**: Lost signal on June 10, 2018, due to a dust storm; mission officially terminated on February 13, 2019.
- **Scientific Instruments**: Equipped with Pancam, NavCam, Mini-TES, HazCam, MIMOS II, alpha particle X-ray spectrometer, and Rock Abrasion Tool.
- **Predecessor and Successor**: Followed the Sojourner rover and was succeeded by the Curiosity rover.

## FAQs
### Q: What was the primary mission of the Opportunity rover?
A: The primary mission of the Opportunity rover was to explore the surface of Mars, conduct scientific research, and transmit data back to Earth. It was part of NASA's Mars Exploration Rover mission.

### Q: How long did the Opportunity rover operate on Mars?
A: The Opportunity rover operated on Mars for over 15 years, from its landing on January 25, 2004, until its mission was officially terminated on February 13, 2019.

### Q: What caused the end of the Opportunity rover's mission?
A: The Opportunity rover's mission ended due to a loss of signal on June 10, 2018, caused by a severe dust storm on Mars. NASA officially terminated the mission on February 13, 2019, after multiple attempts to re-establish contact failed.

### Q: What scientific instruments did the Opportunity rover carry?
A: The Opportunity rover carried several scientific instruments, including Pancam, NavCam, Mini-TES, HazCam, MIMOS II, an alpha particle X-ray spectrometer, and a Rock Abrasion Tool.

### Q: Who operated the Opportunity rover?
A: The Opportunity rover was operated by the Jet Propulsion Laboratory (JPL), a NASA research and development center.

## Why It Matters
The Opportunity rover played a crucial role in advancing our understanding of Mars. Its extensive mission provided valuable data on the planet's geology, climate, and potential for past or present life. The rover's longevity and resilience demonstrated the feasibility of long-term robotic exploration on Mars, paving the way for future missions. Opportunity's discoveries, such as evidence of past water activity, have significantly contributed to our knowledge of the Red Planet and its potential habitability. The mission also showcased the capabilities of solar-powered rovers and the importance of international collaboration in space exploration.

## Notable For
- **Longevity**: Operated for over 15 years, far exceeding its original 90-day mission.
- **Scientific Discoveries**: Provided evidence of past water activity on Mars, contributing to our understanding of the planet's geology and potential habitability.
- **Technological Achievements**: Demonstrated the feasibility of long-term robotic exploration on Mars using solar power.
- **Mission Resilience**: Survived multiple dust storms and harsh Martian conditions, showcasing the robustness of its design.
- **International Collaboration**: Operated by the Jet Propulsion Laboratory (JPL) in collaboration with international partners, highlighting the importance of global cooperation in space exploration.

## Body
### Launch and Landing
Opportunity was launched on July 8, 2003, from Cape Canaveral Space Launch Complex 17B using a Delta II rocket. It landed on Mars on January 25, 2004, in the Eagle crater within the Margaritifer Sinus quadrangle. The landing site was chosen for its potential scientific interest and relatively safe terrain.

### Design and Specifications
The Opportunity rover had a mass of 185 kilograms and dimensions of 154 cm in height, 122 cm in wheelbase width, and 141 cm in wheelbase length. It was powered by solar arrays capable of generating 900 watts and lithium-ion batteries. The rover was equipped with a suite of scientific instruments, including Pancam, NavCam, Mini-TES, HazCam, MIMOS II, an alpha particle X-ray spectrometer, and a Rock Abrasion Tool.

### Mission and Operations
Opportunity's primary mission was to explore the surface of Mars, conduct scientific research, and transmit data back to Earth. The rover was operated by the Jet Propulsion Laboratory (JPL) and was part of NASA's Mars Exploration Rover mission. Over its 15-year mission, Opportunity traveled over 45 kilometers, conducting numerous scientific experiments and making significant discoveries.

### Significant Events
- **Rocket Launch**: July 8, 2003, from Cape Canaveral Space Launch Complex 17B.
- **Surface Exploration**: Began on January 25, 2004, in the Eagle crater.
- **Loss of Signal**: June 10, 2018, due to a severe dust storm.
- **Mission Termination**: February 13, 2019, after multiple attempts to re-establish contact failed.

### Scientific Contributions
Opportunity made several significant scientific contributions, including providing evidence of past water activity on Mars. The rover's discoveries have greatly enhanced our understanding of the planet's geology, climate, and potential for past or present life. Its data has been instrumental in shaping future Mars missions and exploration strategies.

### Legacy
The Opportunity rover's legacy includes its remarkable longevity, technological achievements, and scientific discoveries. It demonstrated the feasibility of long-term robotic exploration on Mars and showcased the resilience of solar-powered rovers. The mission also highlighted the importance of international collaboration in space exploration, with JPL operating the rover in collaboration with international partners.

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  "description": "Former NASA Mars rover that operated from 2004 to 2019 as part of the Mars Exploration Rover mission.",
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## References

1. Jonathan's Space Report
2. [Source](http://mars.nasa.gov/mer/technology/bb_power.html)
3. Freebase Data Dumps. 2013
4. [Opportunity Hunkers Down During Dust Storm. Jet Propulsion Laboratory. 2018](https://www.jpl.nasa.gov/news/opportunity-hunkers-down-during-dust-storm/)
5. [NASA is saying goodbye to its Opportunity rover on Mars after eight months of radio silence. 2019](https://www.theverge.com/2019/2/13/18223144/nasa-mars-opportunity-rover-radio-silence-dust-storm-end-of-mission)
6. [NASA's Opportunity Rover Mission on Mars Comes to End. Jet Propulsion Laboratory. 2019](https://www.jpl.nasa.gov/news/nasas-opportunity-rover-mission-on-mars-comes-to-end/)
7. [Source](https://pds.nasa.gov/ds-view/pds/viewHostProfile.jsp?INSTRUMENT_HOST_ID=MER1)
8. [Source](https://mars.nasa.gov/mer/mission/spacecraft.html)
9. [Source](https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/req/naif_ids.html)