space exploration

Introduction

space exploration, the investigation of physical conditions in space and on stars, planets, and other celestial bodies through the use of artificial satellites (spacecraft that orbit the earth), space probes (spacecraft that pass through the solar system and that may or may not orbit another celestial body), and spacecraft with human crews.

Sections in this article:

Introduction
Satellites and Probes
Human Space Exploration
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space exploration

Introduction

Sections in this article: