Bortle scale

Numeric scale that measures the night sky's brightness

Sample Data: Solar System Planets and Moons

Sample dataset containing the mass and radius of planets and moons in the Solar System

Spacecraft Materials Outgassing Data

Data on outgassing of materials intended for spacecraft

Near-Earth Comets

J2000 heliocentric ecliptic orbital elements of 160 Near-Earth Comets

Path of the Total Solar Eclipse of August 21st, 2017

Dataset of the Path of the Total Solar Eclipse of August 21st, 2017

Seven Year Microwave Sky

The detailed, all-sky picture of the infant universe created from seven years of WMAP data

Arecibo Telescope 1974 Transmitted SETI Message

A sequence intended for communication with extraterrestrial intelligence, transmitted in 1974 from the Arecibo radio telescope

Linear Codes

Linear codes provide an optimal way for transmitting blocks of data over noisy channels

Timeline of Systematic Data & Computable Knowledge

Dataset of nearly 200 notable events in the history of computable knowledge

The Second Swift Burst Alert Telescope Gamma­Ray Burst Catalog

476 gamma­ray bursts detected by the Swift Burst Alert Telescope (BAT) between 2004 December 19 and 2009 December 21