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Former spiral galaxies NGC 4038 and NGC 4039 –– the Antennae Galaxies –– are a few hundred million years into a merger that will result in a single, elliptical galaxy.
ImageL: ESA/Hubble & NASA
NBD just two black holes spiraling into each other 3.7 billion years ago, after the appearance of the earliest life forms on Earth but before the first photosynthetic prokaryotes began giving off oxygen as a waste product.
https://t.co/qv1RjPhvX8
The physicist David Bohm, who developed a non-local formulation of quantum mechanics that he hoped would evade some of the conceptually thorny aspects of the Copenhagen Interpretation, and would later inspire the work of John Bell, was born #OTD in 1917.
Of course they released the trailer on her birthday, and put her name first on the poster.
“Why is the night sky dark, if we live in an infinite universe?” Kepler, Halley, and Cheseaux all pondered this apparent paradox, but the question is commonly attributed to Heinrich Olbers. He was born #OTD in 1758.
Images: https://t.co/4e5Bs8V4Zd, Wellcome Collection
Berkey ended up doing a good amount of promo material, posters, etc for Lucas. Though McQuarrie and others did more concept art for the films, a lot of the ships — especially the Imperial Destroyers and Mon Calamari cruisers — are distinctly Berkian.
Images of Jupiter, Io, Europa, and Ganymede captured during Voyager 2’s 1979 flyby.
Images: NASA / JPL
Happy birthday to Jocelyn Bell Burnell, born #OTD in 1943. As a grad student at Cambridge in 1967, she discovered an entirely new type of celestial object: Pulsars!
Photo: National Science & Media Museum / Science & Society Picture Library