# Sunlab-A

> SUNLAB-A is a Shuttle-attached payload which is a reflight of the four solar physics instruments designed to be flown aboard SPACELAB 2.

**Wikidata**: [Q113149561](https://www.wikidata.org/wiki/Q113149561)  
**Source**: https://4ort.xyz/entity/sunlab-a

## Summary
SUNLAB-A is a Shuttle-attached payload that served as a reflight of four solar physics instruments originally designed for the SPACELAB 2 mission. It was launched on July 1, 1986, from Cape Canaveral Space Launch Complex 17. The payload represents a continuation of solar physics research capabilities in space.

## Key Facts
- NSSDCA ID: SUNLB-A
- Instance of: spacecraft
- Launch date: 1986-07-01
- Launch site: Cape Canaveral Space Launch Complex 17
- Description: Shuttle-attached payload reflight of four solar physics instruments from SPACELAB 2
- Classification: spacecraft (vehicle or machine designed to fly in space)

### Q: What is SUNLAB-A?
A: SUNLAB-A is a Shuttle-attached payload that was launched in 1986 as a reflight of four solar physics instruments originally designed for the SPACELAB 2 mission.

### Q: When and where was SUNLAB-A launched?
A: SUNLAB-A was launched on July 1, 1986, from Cape Canaveral Space Launch Complex 17.

### Q: What was the purpose of SUNLAB-A?
A: SUNLAB-A served as a reflight of four solar physics instruments, continuing solar research capabilities that were initially designed for the SPACELAB 2 mission.

## Why It Matters
SUNLAB-A represents an important continuation of solar physics research capabilities in space exploration. By reflying instruments originally designed for SPACELAB 2, it demonstrates the value of reusing proven scientific equipment to maximize research opportunities and cost-effectiveness. The payload's deployment on a Shuttle mission allowed for direct solar observations from space, contributing to our understanding of solar phenomena and the sun's influence on Earth's environment. This reflight approach also highlights the practical aspects of space research, where successful instruments can be redeployed to gather additional data or test new operational parameters.

## Notable For
- Reflight of four solar physics instruments from SPACELAB 2
- Shuttle-attached payload configuration
- Direct contribution to solar physics research
- Demonstration of cost-effective reuse of space instruments
- Launch from Cape Canaveral Space Launch Complex 17

## Body
### Mission Background
SUNLAB-A was developed as a reflight of instruments that were originally intended for the SPACELAB 2 mission. This approach allowed NASA to maximize the scientific return on investment by reusing proven solar physics instruments.

### Technical Configuration
As a Shuttle-attached payload, SUNLAB-A was designed to be deployed from the Space Shuttle cargo bay. This configuration provided a stable platform for solar observations while allowing for relatively quick deployment and retrieval.

### Scientific Objectives
The four solar physics instruments aboard SUNLAB-A were designed to study various aspects of solar phenomena. While specific instrument details are not provided in the source material, such instruments typically measure solar radiation, magnetic fields, and other solar characteristics.

### Launch and Deployment
The payload was launched on July 1, 1986, from Cape Canaveral Space Launch Complex 17. This launch site has a long history of space missions and provides optimal conditions for launches to various orbital inclinations.

### Relationship to SPACELAB 2
SUNLAB-A's connection to SPACELAB 2 demonstrates the iterative nature of space research, where successful instrument designs can be refined and redeployed in subsequent missions to build upon previous scientific achievements.