# Tianwen-1

> Chinese Mars probe with an orbiter, lander and rover

**Wikidata**: [Q23580572](https://www.wikidata.org/wiki/Q23580572)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tianwen-1)  
**Source**: https://4ort.xyz/entity/tianwen-1

## Summary
Tianwen-1 is China's first independent Mars exploration mission, consisting of an orbiter, lander, and rover (Zhurong). Launched in July 2020, it successfully entered Mars orbit in February 2021 and landed on the planet in May 2021, marking a major milestone for China's space program.

## Key Facts
- **Launch Date**: July 23, 2020, at 04:41:12 UTC from Wenchang Satellite Launch Center.
- **Components**: Includes an orbiter, lander, and the Zhurong rover.
- **Mass**: Approximately 5,000 kg at launch.
- **Operator**: China National Space Administration (CNSA).
- **Launch Vehicle**: Long March 5 (Y4 variant).
- **Landing Date**: May 14, 2021, at 11:18 UTC in Utopia Planitia.
- **Named After**: The poem "Heavenly Questions" by Qu Yuan.
- **Followed By**: Tianwen-2, a mission targeting asteroid and comet exploration.

## FAQs
### Q: What is the purpose of Tianwen-1?
A: Tianwen-1 is a Mars exploration mission designed to study the planet's surface, atmosphere, and geology using an orbiter, lander, and rover.

### Q: When did Tianwen-1 land on Mars?
A: The lander and rover touched down on Mars on May 14, 2021, in the Utopia Planitia region.

### Q: What is the name of the rover in the Tianwen-1 mission?
A: The rover is named Zhurong, after a mythical Chinese fire god.

### Q: Who operates Tianwen-1?
A: The mission is operated by the China National Space Administration (CNSA).

### Q: What rocket launched Tianwen-1?
A: Tianwen-1 was launched using the Long March 5 (Y4) heavy-lift rocket.

## Why It Matters
Tianwen-1 represents a significant achievement for China's space program, demonstrating its capability to conduct complex interplanetary missions. As China's first Mars mission, it successfully deployed an orbiter, lander, and rover, making it one of the few nations to achieve a soft landing on Mars. The mission contributes to global Mars exploration efforts by providing new data on the planet's geology, atmosphere, and potential for past or present life. Its success also positions China as a major player in space exploration, fostering international collaboration and competition in the field.

## Notable For
- **First Independent Mars Mission for China**: Tianwen-1 is China's first fully independent mission to Mars.
- **Triple Component System**: It includes an orbiter, lander, and rover, a rare combination for a first Mars mission.
- **Successful Landing**: Achieved a soft landing on Mars, a feat accomplished by only a few nations.
- **Scientific Contributions**: The Zhurong rover has conducted extensive surface analysis, providing valuable data on Mars' geology and environment.
- **Technological Milestone**: Demonstrates China's advancements in space technology, including heavy-lift launch vehicles and interplanetary navigation.

## Body
### Mission Overview
Tianwen-1 is a planetary probe mission launched by the China National Space Administration (CNSA) as part of the Chinese Mars Exploration Program. The mission's primary objective is to explore Mars using an orbiter, lander, and rover.

### Launch and Journey
- **Launch Date**: July 23, 2020, at 04:41:12 UTC.
- **Launch Vehicle**: Long March 5 (Y4), a heavy-lift rocket developed by China.
- **Launch Site**: Wenchang Satellite Launch Center in Hainan, China.
- **Journey to Mars**: The spacecraft traveled approximately seven months to reach Mars, entering orbit on February 10, 2021.

### Components
- **Orbiter**: Designed to study Mars from orbit, providing remote sensing data and relaying communications between the rover and Earth.
- **Lander**: Facilitated the safe descent and landing of the rover on the Martian surface.
- **Rover (Zhurong)**: A solar-powered rover equipped with scientific instruments to analyze the Martian surface, including cameras, spectrometers, and a ground-penetrating radar.

### Landing and Surface Operations
- **Landing Date**: May 14, 2021, at 11:18 UTC.
- **Landing Site**: Utopia Planitia, a large plain in the northern hemisphere of Mars.
- **Rover Operations**: Zhurong has conducted various scientific experiments, including soil analysis and atmospheric studies, contributing to our understanding of Mars' geology and potential for past life.

### Scientific Objectives
- **Geological Studies**: Analyzing the composition and structure of the Martian surface.
- **Atmospheric Studies**: Investigating the Martian atmosphere and climate.
- **Search for Water**: Looking for evidence of past or present water on Mars.
- **Magnetic Field Studies**: Examining the magnetic field of Mars to understand its evolution.

### Significance
Tianwen-1 marks a significant milestone in China's space exploration efforts, demonstrating its capability to conduct complex interplanetary missions. The mission's success has positioned China as a major player in the global space community, fostering both collaboration and competition in the field of space exploration.

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## References

1. [Source](https://space.skyrocket.de/doc_sdat/tianwen-1.htm)
2. [Source](https://www.eoportal.org/satellite-missions/tianwen-1)
3. [Source](http://www.xinhuanet.com/english/2020-07/23/c_139234449.htm)
4. Jonathan's Space Report
5. [Source](http://spanish.xinhuanet.com/2020-07/23/c_139234695.htm)
6. [Source](https://www.space.com/china-mars-mission-tianwen-1-international-partners.html)