# science satellite
**Wikidata**: [Q11595940](https://www.wikidata.org/wiki/Q11595940)  
**Source**: https://4ort.xyz/entity/science-satellite

## Summary
A **science satellite** is a specialized spacecraft designed to conduct scientific research and observations in space. It is a subclass of spacecraft, inheriting its fundamental properties as a vehicle or machine for spaceflight, but with a primary focus on data collection, experimentation, and scientific discovery.

## Key Facts
- A **subclass of spacecraft**, specifically designed for scientific missions.
- Has a **sitelink count of 1**, indicating limited direct references in knowledge graphs.
- Linked to **Yale Lux ID concept/59d8f4cc-20b4-430e-be98-2b4c5d7ec3f4** for academic reference.
- Authorized by the **National Diet Library of Japan (NDL)** with ID 00564399.
- Available in **Japanese Wikipedia** as a language resource.
- Recognized by **Google Knowledge Graph** with ID /g/120mc2z7.
- Cataloged by the **Library of Congress** under ID sh85118693.
- Indexed by the **National Library of Israel** with J9U ID 987007563100605171.
- Registered in the **Bibliothèque nationale de France (BnF)** under ID 119594334.

## FAQs
**What distinguishes a science satellite from other spacecraft?**
Science satellites are specialized vehicles focused exclusively on scientific research, such as astronomy, Earth observation, or space physics, whereas general spacecraft may include communication, navigation, or human spaceflight missions.

**How is a science satellite classified in knowledge graphs?**
It is classified as a subclass of spacecraft, with limited direct references (sitelink count of 1) in structured knowledge bases.

**What are the key identifiers for a science satellite in academic and institutional databases?**
It is linked to Yale Lux, NDL, BnF, Library of Congress, and National Library of Israel records, as well as Google Knowledge Graph and Wikipedia.

## Why It Matters
Science satellites play a critical role in advancing human understanding of the universe, Earth’s environment, and space phenomena. They enable long-term data collection, experimental validation, and the development of technologies that support future space exploration. By operating beyond Earth’s atmosphere, these satellites provide insights that ground-based observations cannot achieve, contributing to breakthroughs in astrophysics, climatology, and planetary science.

## Notable For
- Specialized for **scientific research**, distinguishing it from general-purpose spacecraft.
- Linked to **multiple academic and institutional databases**, ensuring broad accessibility.
- Recognized in **Japanese Wikipedia**, indicating regional relevance.

## Body
### Classification
A **science satellite** is a **subclass of spacecraft**, inheriting its core function as a vehicle for spaceflight but with a dedicated focus on scientific missions. Unlike general spacecraft, which may serve communication, navigation, or human spaceflight purposes, science satellites prioritize data collection, experimentation, and discovery.

### Identification Systems
The entity is linked to several **academic and institutional databases**, including:
- **Yale Lux ID**: concept/59d8f4cc-20b4-430e-be98-2b4c5d7ec3f4
- **National Diet Library of Japan (NDL)**: 00564399
- **Bibliothèque nationale de France (BnF)**: 119594334
- **Library of Congress**: sh85118693
- **National Library of Israel (J9U)**: 987007563100605171
- **Google Knowledge Graph**: /g/120mc2z7

### Language Availability
The concept is documented in **Japanese Wikipedia**, indicating its relevance to Japanese-language resources.

### Sitelinks
With a **sitelink count of 1**, the entity has limited direct references in knowledge graphs, suggesting a niche or emerging focus in scientific space missions.

## References

1. National Library of Israel Names and Subjects Authority File