This was
your sky.
Rumors of a Dark Universe
Twenty-one years ago, observations of distant supernovae indicated that most of the universe's energy is tied to space itself, a concept called dark energy. This large cosmological constant was not new to relativistic cosmology, but it had not been popular with astronomers. This finding implied an accelerating expansion of the universe.
Heavy matte paper, about 200 gsm, printed in the United States and shipped free. The card stays free, the print is the thing you keep.
Prints are coming soon. The card is free to save and share in the meantime.
Released on your day
Space pictures released on your month and day in other years, or a few days either side. Each one is sharp enough to print as a poster.
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Released on 4 August 2014 IC 4499: A globular cluster’s age revisited See it as a poster -
Released on 4 August 2005 Hubble Spies a Zoo of Galaxies See it as a poster -
Released on 4 August 2025 A sea monster and a Tarantula See it as a poster -
Released on 4 August 2021 EHT Resolves Central Jet from Black Hole in Cen A See it as a poster -
Released on 4 August 2019 The Milky Way lights up an orbital night pass as the International Space Station orbited 257 miles above the Coral Sea See it as a poster
In tropical astrology, 4 AUG 2019 falls under Leo (♌). The sign's window runs from 07-23 through 08-22. Leo is anchored by Regulus, the heart of the Lion, twenty-four parsecs from Earth. The Sun was crossing this region of the sky on 4 AUG 2019.