This was
your sky.
Triple Transit and Mutual Events
Here, Jupiter's moons dance. Io disappears into shadow, while Europa and Ganymede appear as bright and dark disks against the gas giant's banded face. This triple transit, captured from Cebu City in the Philippines, shows the intricate ballet of our solar system. Jupiter, a ruling gas giant, offers a remarkable performance.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
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.
-
Released on 21 August 2023 Webb captures detailed beauty of Ring Nebula (NIRCam image) See it as a poster -
Released on 21 August 2023 Webb captures detailed beauty of Ring Nebula (NIRCam image - cropped) See it as a poster -
Released on 21 August 2023 Webb captures detailed beauty of Ring Nebula (MIRI image - cropped) See it as a poster -
Released on 21 August 2023 Hubble’s view of the Ring Nebula (2013 image - cropped) See it as a poster -
Released on 21 August 2017 2017 Total Solar Eclipse See it as a poster
In tropical astrology, 21 AUG 2021 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 21 AUG 2021.