# Perseverance

> American robotic rover exploring Jezero Crater on Mars

**Wikidata**: [Q87749354](https://www.wikidata.org/wiki/Q87749354)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Perseverance_(rover))  
**Source**: https://4ort.xyz/entity/perseverance

## Summary
Perseverance is an American robotic rover exploring Jezero Crater on Mars. Launched on July 30, 2020, it successfully landed on February 18, 2021, and has traveled over 1,189 meters across the Martian surface as of June 2024. The rover carries seven scientific instruments and is part of NASA's Mars 2020 mission.

## Key Facts
- Launched on July 30, 2020, at 11:50:00 UTC from Cape Canaveral Space Launch Complex 41
- Successfully landed on Mars on February 18, 2021, at 20:43:49 UTC in Jezero Crater
- Weighs 1,026 kilograms (launch weight) and measures 3.0 meters long, 2.7 meters wide, and 2.2 meters tall
- Operated by NASA's Jet Propulsion Laboratory and powered by a multi-mission radioisotope thermoelectric generator
- Carries seven scientific instruments including SuperCam, SHERLOC, PIXL, and MOXIE
- Has traveled 1,189 meters across Mars as of June 24, 2024
- Named "Percy" and has over 3 million social media followers on Twitter/X
- Based on the design of the Curiosity rover but with significant upgrades

## FAQs
### Q: What is the main purpose of the Perseverance rover?
A: Perseverance's primary mission is to seek signs of ancient microbial life, collect and cache rock and soil samples for potential return to Earth, characterize Mars' geology and climate, and pave the way for human exploration of Mars.

### Q: How does Perseverance generate power on Mars?
A: Perseverance is powered by a multi-mission radioisotope thermoelectric generator (MMRTG) that converts heat from the natural radioactive decay of plutonium-238 into electricity, providing about 110 watts of electrical power at launch.

### Q: What makes Perseverance different from previous Mars rovers?
A: Perseverance features several firsts including the first helicopter (Ingenuity) deployed on another planet, the first attempt to collect samples for return to Earth, and the first demonstration of producing oxygen from the Martian atmosphere using MOXIE.

## Why It Matters
Perseverance represents a significant leap forward in Mars exploration and our understanding of the Red Planet. As the most advanced rover ever sent to Mars, it carries sophisticated instruments that can analyze Martian geology and search for biosignatures with unprecedented precision. The rover's sample collection capability is particularly crucial, as it will cache samples that could be returned to Earth by future missions, potentially providing definitive evidence of past life on Mars. Additionally, Perseverance's experiments, such as MOXIE's oxygen production, are directly relevant to future human missions, demonstrating technologies that could support astronaut survival and rocket fuel production on Mars. The mission also serves as a testbed for autonomous navigation and other technologies that will be essential for future robotic and human exploration of Mars and other planetary bodies.

## Notable For
- First rover to collect and cache samples for potential return to Earth
- First demonstration of oxygen production from the Martian atmosphere
- First deployment of a helicopter on another planet (Ingenuity)
- Most advanced suite of scientific instruments ever sent to Mars
- Longest-traveled distance by a Mars rover in its first few years of operation

## Body
### Mission Overview
Perseverance is the centerpiece of NASA's Mars 2020 mission, designed to explore Jezero Crater, which scientists believe was once home to an ancient river delta. The rover's mission duration was initially planned for at least one Martian year (about 687 Earth days), but it continues to operate beyond its primary mission.

### Scientific Payload
The rover carries seven primary scientific instruments:
- SuperCam: Laser-based spectrometer for remote analysis of rock and soil composition
- SHERLOC (Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals): Uses spectrometers and a UV laser to detect organic compounds
- PIXL (Planetary Instrument for X-Ray Lithochemistry): X-ray fluorescence spectrometer for detailed elemental analysis
- RIMFAX (Radar Imager for Mars' Subsurface Experiment): Ground-penetrating radar to study subsurface geology
- MOXIE (Mars Oxygen In-Situ Resource Utilization Experiment): Demonstrates oxygen production from Martian CO2
- MEDA (Mars Environmental Dynamics Analyzer): Weather station measuring temperature, wind speed/direction, pressure, humidity, and dust size
- Mastcam-Z: Advanced camera system with panoramic and stereoscopic imaging capabilities

### Landing and Operations
Perseverance landed in Jezero Crater using the "Sky Crane" maneuver, the same technique used for Curiosity. The landing site was named Octavia E. Butler Landing in honor of the science fiction author. Since landing, the rover has been systematically exploring the crater, collecting samples, and conducting scientific experiments.

### Technical Specifications
The rover's design is based on Curiosity but includes several improvements:
- Enhanced autonomous navigation capabilities
- Stronger wheels to prevent damage from sharp rocks
- Sample caching system for collecting and storing rock and soil samples
- MEDA weather station for comprehensive atmospheric measurements
- MOXIE experiment for in-situ resource utilization demonstration

### Sample Collection
Perseverance is equipped with a sample caching system that can collect core samples of Martian rock and soil. These samples are sealed in tubes and stored on the Martian surface, where they will await pickup by a future sample return mission. As of June 2024, the rover has collected multiple samples from various locations within Jezero Crater.

### Ingenuity Helicopter
Perseverance carried the Ingenuity Mars Helicopter, a technology demonstration that became the first aircraft to achieve powered, controlled flight on another planet. Ingenuity has far exceeded its original technology demonstration goals and continues to support Perseverance's mission by scouting ahead and exploring areas inaccessible to the rover.

### Current Status
As of June 2024, Perseverance continues its exploration of Jezero Crater, having traveled over 1,189 meters from its landing site. The rover regularly communicates with Earth, sending back images, scientific data, and updates on its progress. Its mission has been extended beyond the primary mission duration, allowing for continued scientific investigation and sample collection.

## References

1. [Source](https://mars.nasa.gov/mars2020/spacecraft/rover/)
2. Library of Congress Name Authority File
3. [Source](https://mars.nasa.gov/news/8865/touchdown-nasas-mars-perseverance-rover-safely-lands-on-red-planet/)
4. Jonathan's Space Report
5. [Source](https://mars.nasa.gov/mars2020/spacecraft/rover/electrical-power/)
6. Mars 2020 Perseverance trajectory reconstruction and performance from launch through landing
7. [Source](https://mars.nasa.gov/maps/location/?mission=M20)
8. [Source](https://mars.nasa.gov/resources/25701/welcome-to-octavia-e-butler-landing/)
9. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/supercam/)
10. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/sherloc/)
11. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/rimfax/)
12. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/pixl/)
13. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/moxie/)
14. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/meda/)
15. [Source](https://mars.nasa.gov/mars2020/spacecraft/instruments/mastcam-z/)
16. [Source](https://mars.nasa.gov/mars2020/spacecraft/rover/cameras/#NavCams-Engineering-Cameras)
17. [Source](https://mars.nasa.gov/mars2020/spacecraft/rover/cameras/#HazCams-Engineering-Cameras)
18. [Source](https://mars.nasa.gov/mars2020/spacecraft/rover/cameras/#CacheCam-Engineering-Cameras)
19. [Source](https://www.jpl.nasa.gov/news/press_kits/mars_2020/download/mars_2020_launch_press_kit.pdf)
20. [Source](https://mars.nasa.gov/mars2020/spacecraft/rover/body/)
21. [Source](https://mars.nasa.gov/imgs/mars2020/spacecraft/markings/Mars2020_VIN_02-web.jpg)