Semantic Scholar

Extra Credit builds an outline of Semantic Scholar's docs the first time your work uses it. Until then, start at the official documentation.

• OpenAlex Open catalog of scholarly works, authors, institutions, sources, and concepts
• OrbitalWiki Catalog of 16,000+ satellites merging CelesTrak, GCAT, Wikidata; free tier included
• Purple Air Real Time Air Quality Monitoring
• RCSB PDB 3D structures of proteins and nucleic acids
• Remote Calc Decodes base64 encoding and parses it to return a solution to the calculation in JSON
• SatNOGS Satellite observations from open ground stations
• SHARE A free, open, dataset about research and scholarly activities
• Solar System OpenData Data and facts on solar system bodies and planets
• SpaceX Company, vehicle, launchpad and launch data
• SpaceX GraphQL, Company, Ships, launchpad and launch data
• Sunrise and Sunset Sunset and sunrise times for a given latitude and longitude
• Tallytopia Calculators for finance, health, math, space and sports with step-by-step results