# MMS 3

> 40484

**Wikidata**: [Q111471614](https://www.wikidata.org/wiki/Q111471614)  
**Source**: https://4ort.xyz/entity/mms-3

## Summary
MMS 3 is an artificial satellite identified by the catalog number 40484. It is part of the Magnetospheric Multiscale (MMS) mission, a NASA project designed to study Earth's magnetosphere and magnetic reconnection processes.

## Key Facts
- **Instance of**: Artificial satellite
- **Wikidata description**: 40484
- **Wolfram Language entity code**: Entity["Satellite", "40484"]
- **Related to**: Magnetospheric Multiscale (MMS) mission
- **Orbit**: Earth's magnetosphere
- **Primary purpose**: Study magnetic reconnection and plasma dynamics

## FAQs
### Q: What is the MMS 3 satellite used for?
A: MMS 3 is part of NASA's Magnetospheric Multiscale mission, which aims to study Earth's magnetosphere and magnetic reconnection processes.

### Q: What is the catalog number of MMS 3?
A: The catalog number for MMS 3 is 40484.

### Q: Is MMS 3 an artificial satellite?
A: Yes, MMS 3 is classified as an artificial satellite.

### Q: What is the significance of the MMS mission?
A: The MMS mission helps scientists understand magnetic reconnection, a fundamental process in space physics that occurs in Earth's magnetosphere and throughout the universe.

### Q: How is MMS 3 related to the Wolfram Language?
A: MMS 3 is referenced in the Wolfram Language using the entity code `Entity["Satellite", "40484"]`.

## Why It Matters
MMS 3 plays a crucial role in NASA's Magnetospheric Multiscale (MMS) mission, which investigates magnetic reconnection—one of the most fundamental processes in space physics. This phenomenon occurs when magnetic field lines explosively reconnect, releasing vast amounts of energy. By studying magnetic reconnection, MMS helps scientists understand solar flares, coronal mass ejections, and other space weather events that can impact satellites, power grids, and communication systems. The mission also provides insights into plasma dynamics, which are relevant to astrophysical phenomena beyond Earth. MMS 3's data contributes to a deeper understanding of Earth's magnetosphere and its interactions with the solar wind, advancing both space science and our ability to predict and mitigate space weather effects.

## Notable For
- **Part of a groundbreaking mission**: MMS 3 is one of four identical satellites in the MMS mission, enabling multi-point observations of magnetic reconnection.
- **High-resolution instruments**: Equipped with advanced sensors to measure magnetic fields, electric fields, and plasma properties at unprecedented resolution.
- **Contribution to space weather research**: Provides critical data for understanding and predicting space weather events.
- **Interdisciplinary applications**: Its findings have implications for astrophysics, solar physics, and plasma research.
- **Technological innovation**: Demonstrates the capabilities of modern satellite technology in studying fundamental space physics processes.

## Body
### Classification
MMS 3 is an artificial satellite, specifically part of NASA's Magnetospheric Multiscale (MMS) mission. It is cataloged under the identifier 40484 and is referenced in the Wolfram Language as `Entity["Satellite", "40484"]`.

### Mission Overview
The MMS mission, launched in 2015, consists of four identical spacecraft flying in a tight formation to study magnetic reconnection. MMS 3, along with its counterparts, orbits Earth, collecting data on the magnetosphere's dynamic interactions with the solar wind.

### Scientific Objectives
The primary goal of MMS 3 is to investigate magnetic reconnection, a process where magnetic field lines explosively reconnect, releasing energy. This phenomenon is crucial for understanding solar flares, coronal mass ejections, and other space weather events.

### Instrumentation
MMS 3 is equipped with advanced instruments, including:
- **Fluxgate Magnetometer (FGM)**: Measures magnetic fields with high precision.
- **Electric Field Double Probe (EDP)**: Detects electric fields in the plasma environment.
- **Hot Plasma Composition Analyzer (HPCA)**: Analyzes the composition and properties of hot plasma.

### Data Contributions
The data collected by MMS 3 contributes to a broader understanding of plasma dynamics, magnetic reconnection, and space weather. The mission's findings have implications for astrophysics, solar physics, and plasma research, enhancing our knowledge of fundamental processes in space.

### Significance
MMS 3's role in the MMS mission is pivotal for advancing space science. Its high-resolution measurements and multi-point observations provide critical insights into magnetic reconnection, helping scientists predict and mitigate space weather effects. The mission's success demonstrates the importance of coordinated satellite missions in studying complex space phenomena.