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gregmelander: NEW PERSPECTIVE A short film documenting astronauts’ life-changing stories of seeing the Earth from the outside – a perspective-altering experience often described as the Overview Effect. Planetary Collective. Overview. 2013.
infinity-imagined: A collection of planetary nebulae; clouds of ionized gas that form as red giant stars die and cast off their outer layers. This process enriches interstellar space with heavy elements that go on to form new stars and planets.
anightintheforest: infinity-imagined: A collection of planetary nebulae; clouds of ionized gas that form as red giant stars die and cast off their outer layers. This process enriches interstellar space with heavy elements that go on to form new stars
archivingscience: The Rudolphine Tables (Latin: Tabulae Rudolphinae) consist of a star catalog and planetary tables published by Johannes Kepler in 1627, using some observational data collected by Tycho Brahe. The tables are named as “Rudolphine”