Astronomy is an academic discipline and major branch of science that deals with the study of matter, objects, and phenomena inouter space and the Universe. Subfields include astrophysics, planetary science, astrobiology, and astrochemistry.

Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

• UpdatedDec 17, 2025
• C++

Astronomy and astrophysics core library

• UpdatedDec 16, 2025
• Python

An Android app that uses your phone's sensors to assist with wilderness treks or survival situations.

• UpdatedDec 15, 2025
• Kotlin

Real-time 3D visualization of space.

• UpdatedDec 15, 2025
• C++

A Raspberry Pi operated allsky camera

• UpdatedDec 16, 2025
• JavaScript

Code, data, and instructions for mapping orbits of asteroids in the solar system

• UpdatedNov 12, 2022
• Jupyter Notebook

SunPy - Python for Solar Physics

• UpdatedDec 8, 2025
• Python

Astronomy Picture of the Day API service

• UpdatedOct 29, 2024
• Python

This is the official GitHub repository for OpenSpace: an open source astrovisualization project. For instructions on how to build and run OpenSpace, see the Getting Started Guides on the wiki page athttp://docs.openspaceproject.com.

• UpdatedDec 16, 2025
• C++

Functions and classes to access online data resources. Maintainers:@keflavich and@bsipocz and@ceb8

• UpdatedDec 12, 2025
• Python

An open source Python package for plasma research and education

• UpdatedDec 15, 2025
• Python

Python library for science observations from the James Webb Space Telescope

• UpdatedDec 15, 2025
• Python

Model layer for Meteor

• UpdatedAug 24, 2023
• JavaScript

ASDF (Advanced Scientific Data Format) is a next generation interchange format for scientific data

• UpdatedNov 28, 2025
• Python

Main yt repository

• UpdatedDec 16, 2025
• Python

Track satellites in your terminal

• UpdatedJun 7, 2022
• Python

A friendly package for Kepler & TESS time series analysis in Python.

• UpdatedDec 17, 2025
• Python

饕餮：A curated collection of resources for astrophysical research

• UpdatedJul 27, 2024

The Solar System modeled to scale with Three.js

• UpdatedDec 7, 2022
• JavaScript

A Raspberry Pi Based Sun Tracker

• UpdatedDec 21, 2022
• C