The sky on
your birthday.
Fermi's 12-year All-Sky Gamma-ray Map
This is what the universe looks like in gamma rays, a map compiled from 12 years of observations by NASA's Fermi Gamma-ray Space Telescope. Fermi sees light with energies a billion times greater than what our eyes can detect. The bright stripe across the middle is the central plane of our Milky Way galaxy, glowing with powerful gamma-ray sources.
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.
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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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The Sun on your day The Sun on 21 August 2024 See it as a poster -
The Earth on your day The Earth on 21 August 2024 · Empty Quarter, Arabia See it 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 2024 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 2024.
Questions about August 21, 2024
What space photo was released on August 21, 2024?
NASA's Astronomy Picture of the Day for August 21, 2024 was "Fermi's 12-year All-Sky Gamma-ray Map". It's the card at the top of this page.
What was the Moon's phase on August 21, 2024?
A full moon, about 97% lit.
What day of the week was August 21, 2024?
August 21, 2024 was a Wednesday, day 234 of the 366 days in 2024.
What did the Sun and the Earth look like on August 21, 2024?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are on this page, next to the card.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.