# Landsat 3

> third satellite of the Landsat program

**Wikidata**: [Q6485034](https://www.wikidata.org/wiki/Q6485034)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Landsat_3)  
**Source**: https://4ort.xyz/entity/landsat-3

Here’s the structured knowledge entry for **Landsat 3**:

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## Summary  
Landsat 3 is the third satellite in the Landsat program, designed for Earth observation from orbit. Launched in 1978, it was operated by NASA and contributed to global environmental monitoring. It carried instruments to capture multispectral imagery of Earth's surface.

## Key Facts  
- **Launch date**: March 5, 1978 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Operator**: National Aeronautics and Space Administration (NASA) ([reference](https://www.wikidata.org/wiki/Q328))  
- **Launch vehicle**: Delta 2000 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch site**: Vandenberg Space Launch Complex 2 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 1978-026A ([reference](https://www.wikidata.org/wiki/Q191168))  
- **Satellite Catalog Number (SCN)**: 10702 ([reference](https://www.wikidata.org/wiki/Q191168))  
- **Class**: Earth observation satellite ([reference](https://www.wikidata.org/wiki/Q328))  
- **Alias**: لاندسات ٣ (Arabic)  

## FAQs  
### Q: What was Landsat 3's primary mission?  
A: Landsat 3 was designed to capture multispectral imagery of Earth's surface for environmental monitoring, agriculture, and land-use studies.  

### Q: Who operated Landsat 3?  
A: NASA operated Landsat 3 as part of the Landsat program, which focuses on Earth observation.  

### Q: Where was Landsat 3 launched from?  
A: It was launched from Vandenberg Space Launch Complex 2 aboard a Delta 2000 rocket.  

## Why It Matters  
Landsat 3 played a critical role in advancing remote sensing technology, providing valuable data for environmental and agricultural monitoring. Its imagery helped scientists track deforestation, urban expansion, and natural disasters, contributing to global land-use planning. As part of the Landsat program, it set the foundation for future Earth observation missions, enabling long-term environmental studies. The satellite's data remains a key resource for researchers and policymakers.  

## Notable For  
- **Continuity**: Third satellite in the long-running Landsat program, ensuring consistent Earth observation data.  
- **Multispectral imaging**: Provided detailed surface imagery for scientific and practical applications.  
- **NASA-operated**: Part of NASA's early efforts in systematic Earth monitoring.  

## Body  
### Launch and Deployment  
- Launched on **March 5, 1978**, from **Vandenberg Space Launch Complex 2**.  
- Used a **Delta 2000** rocket as the launch vehicle.  

### Technical Specifications  
- **Satellite Catalog Number (SCN)**: 10702.  
- **COSPAR ID**: 1978-026A.  

### Mission and Operations  
- Operated by **NASA** as part of the Landsat program.  
- Classified as an **Earth observation satellite**, capturing multispectral imagery.  

### Legacy  
- Contributed to the continuity of the Landsat program, which remains active today.  
- Provided foundational data for environmental and land-use studies.  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if you'd like any refinements!

## References

1. Jonathan's Space Report
2. Freebase Data Dumps. 2013