# space probe

> unmanned robotic spacecraft that doesn't orbit the Earth, but, instead, explores further into outer space

**Wikidata**: [Q26529](https://www.wikidata.org/wiki/Q26529)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Space_probe)  
**Source**: https://4ort.xyz/entity/space-probe

## Summary
A space probe is an unmanned robotic spacecraft that doesn't orbit Earth but instead explores further into outer space. These uncrewed vehicles, typically under telerobotic control, serve as primary tools for space exploration and scientific research beyond our planet.

## Key Facts
- A space probe is a subclass of robotic spacecraft, which are uncrewed spacecraft usually under telerobotic control
- Space probes are used for space exploration and science projects
- The entity has a sitelink count of 75 across various Wikimedia projects
- Space probes have specialized subclasses including solar probes, planetary probes, lunar probes, comet probes, and interstellar probes
- The main category for space probes is "Space probes" in Wikimedia projects
- Space probes contain space instruments as components
- The entity has aliases in multiple languages including "sondas espaciales," "sondes spatiales," "太空探测器," and "惑星探査機"
- Space probes are distinct from Earth-orbiting satellites as they explore further into outer space

## FAQs
### Q: What is the difference between a space probe and a satellite?
A: A space probe doesn't orbit Earth but instead explores further into outer space, while satellites typically orbit Earth or other celestial bodies for communication, observation, or other purposes.

### Q: What types of celestial bodies do space probes study?
A: Space probes can study various celestial bodies including the Sun, planets, moons, comets, and other objects in our solar system and beyond.

### Q: Are all space probes unmanned?
A: Yes, by definition, space probes are unmanned robotic spacecraft, operating without human crews onboard.

### Q: How do space probes communicate with Earth?
A: Space probes typically use radio communication systems to transmit data back to Earth-based receiving stations, though the specific technology varies by mission.

## Why It Matters
Space probes represent humanity's most advanced tools for exploring the cosmos beyond Earth's immediate vicinity. They enable scientific discovery by collecting data from regions of space that are inaccessible or too dangerous for human exploration. These robotic missions have revolutionized our understanding of the solar system, from detailed mapping of planetary surfaces to analysis of atmospheric compositions and the search for extraterrestrial life. Space probes serve as our eyes and ears in the cosmos, continuously expanding the boundaries of human knowledge and potentially paving the way for future human space exploration.

## Notable For
- Being the primary means of exploring celestial bodies beyond Earth's orbit without human presence
- Enabling specialized study of specific targets through subclasses like solar probes, planetary probes, and comet probes
- Supporting deep space exploration through interstellar probe designs
- Facilitating various exploration methods including flyby, orbit, landing, and penetration of celestial bodies
- Providing the foundation for proposed advanced technologies like the Solar gravitational lens telescope

## Body
### Classification and Definition
A space probe is defined as an unmanned robotic spacecraft that doesn't orbit Earth but instead explores further into outer space. It belongs to the broader class of robotic spacecraft, which are uncrewed spacecraft typically under telerobotic control.

### Specialized Types
Space probes encompass various specialized subclasses based on their targets and missions:
- Solar probes: Spacecraft designed specifically to study the Sun
- Planetary probes: Sent to investigate planets
- Lunar probes: Focused on exploring the Moon
- Comet probes: Designed to explore comets
- Interstellar probes: Capable of traveling out of the Solar System
- Flyby probes: Spacecraft that fly past celestial bodies rather than orbiting them
- Penetrators: Probes designed to penetrate the surface of celestial bodies

### Notable Programs and Examples
Several notable space probe programs and individual probes include:
- Mariner program, including Mariner 6 and 7 (uncrewed NASA probes sent in 1969)
- Voyager space probes
- Vega program (USSR program with the first balloon flight on Venus in 1985)
- Halley Armada (collection of space probes)
- Mars 7 (unmanned USSR spaceprobe)
- Sakigake (space probe)

### Technical Components
Space probes contain various instruments and components, with space instruments being a fundamental part of their design.

### Knowledge Representation
The entity "space probe" has significant representation across knowledge bases with:
- 75 sitelinks across Wikimedia projects
- Various identifiers including GND (4135573-8), PSH (556), YSO (14574)
- Aliases in multiple languages including "sondas espaciales," "sondes spatiales," "太空探测器," and "惑星探査機"
- Main category: "Space probes"

### Hypothetical and Future Concepts
Some concepts extend the space probe paradigm into theoretical or future applications, such as the Bracewell probe—a hypothetical autonomous artificially intelligent robotic interstellar probe designed to seek technological civilizations and communicate with them.

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Space probe",
  "description": "An unmanned robotic spacecraft that doesn't orbit Earth but instead explores further into outer space",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q11453",
    "https://en.wikipedia.org/wiki/Space_probe"
  ],
  "additionalType": "Robotic spacecraft"
}

## References

1. [ftl/data/wikimap at master · JohnMarkOckerbloom/ftl](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap/)
2. Freebase Data Dumps. 2013
3. YSO-Wikidata mapping project
4. BabelNet
5. National Library of Israel
6. KBpedia