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Waning gibbous moon
Credit: Thomas Bresson License: Creative Commons Attribution 3.0 Unported icons -
Waning gibbous moon
Credit: Dave Young / dcysurfer License: Creative Commons Attribution 2.0 Generic icons -
Waxing Gibbous Moon
Credit: Dave Young / dcysurfer License: Creative Commons Attribution 2.0 Generic icons -
Waxing gibbous moon
Credit: Thomas Bresson License: Creative Commons Attribution 3.0 Unported icons -
Sunset view with crescent Moon and Venus at Paranal
Credit: ESO/Y. Beletsky License: Creative Commons Attribution 4.0 International (CC BY 4.0) icons -
Waning crescent moon
Credit: Stephen Rahn License: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication icons -
Waxing Crescent Moon
Credit: Stephen Rahn License: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication icons -
Waxing crescent moon
Credit: Paul Stewart / astrostew License: Creative Commons Attribution 2.0 Generic icons -
Waning gibbous to last quarter
Credit: Dave Young / dcysurfer License: Creative Commons Attribution 2.0 Generic icons -
Last quarter moon
Credit: Stephen Rahn License: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication icons -
First quarter moon
Credit: Stephen Rahn License: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication icons -
First quarter moon
Credit: Dave Young / dcysurfer License: Creative Commons Attribution 2.0 Generic icons -
Full Moon
Credit: Dave Young / dcysurfer License: Creative Commons Attribution 2.0 Generic icons -
Iron Meteorite
Credit: Chuck Sutherland License: Public Domain icons -
The Crab Nebula
Credit: NASA, ESA, J. Hester and A. Loll (Arizona State University) License: Public Domain icons -
The Crab Pulsar
Credit: International Gemini Observatory/NOIRLab/NSF/AUR, Jen Miller, Travis Rector, Mahdi Zamani & Davide de Martin License: Creative Commons Attribution 4.0 International (CC BY 4.0) icons -
The Happy Face of Gravitational Lensing
Credit: NASA/ESA License: Public Domain icons -
Close-up view of a sunspot
Credit: NSO/NSF/AURA License: Creative Commons Attribution 4.0 International (CC BY 4.0) icons -
Halley's Comet
Credit: ESO License: Creative Commons Attribution 4.0 International (CC BY 4.0) icons -
Apparatus for determining the gravitional constant
Credit: Henry Cavendish in Philosophical Transactions of the Royal Society, DOI: 10.1098/rstl.1798.0022 License: Creative Commons Attribution 4.0 International (CC BY 4.0) icons
