The sky on
your birthday.
The Face on Mars
Sometimes our brains find familiar patterns in random shapes, like a face on Mars. The 'Face on Mars' is actually a mesa, a geological formation. When the Mars Global Surveyor took higher-resolution images, the face-like features resolved into a natural landform. It's a reminder of how our minds can play tricks on us when looking at distant objects.
We cannot put this date's photograph on paper at poster size. We can print the nearest public archive plate to your date instead.
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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 4 July 2021 See it as a poster -
The Earth on your day The Earth on 4 July 2021 · Red Sea See it as a poster -
Released on 4 July 2013 The sky around the quasar QSO J2246-6015 See it as a poster -
Released on 4 July 2005 Hubble Images Comet Tempel 1 Just Before Deep Impact Probe Arrives See it as a poster -
Released on 4 July 2022 The city lights of Italy, including the French island of Corse and Italian islands of Sardinia and Sicily, are pictured See it as a poster -
Released on 4 July 2023 Earth Observations during Expedition 69 See it as a poster -
Released on 4 July 2020 The sun's glint beams off the South Pacific coast of southern Chile's Laguna San Rafael National Park See it as a poster
In tropical astrology, 4 JUL 2021 falls under Cancer (♋). The sign's window runs from 06-21 through 07-22. Cancer is marked by the Beehive Cluster, M44, a loose family of stars visible to the naked eye on a dark night. The Sun was crossing this region of the sky on 4 JUL 2021.
Questions about July 4, 2021
What space photo was released on July 4, 2021?
NASA's Astronomy Picture of the Day for July 4, 2021 was "The Face on Mars". It's the card at the top of this page.
What was the Moon's phase on July 4, 2021?
A waning crescent moon, about 29% lit.
What day of the week was July 4, 2021?
July 4, 2021 was a Sunday, day 185 of the 365 days in 2021.
What did the Sun and the Earth look like on July 4, 2021?
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.