The sky on
your birthday.
Dark Spots on Neptune
Neptune, the Solar System's outermost gas giant, has a nearly uniform blue hue. The Voyager 2 spacecraft in 1989 revealed dark spots on its surface. These spots are anti-cyclones, large high-pressure systems swirling in Neptune's cold cloud tops.
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 Earth on your day The Earth on 21 August 2001 · Gobi Desert 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 2001 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 2001.
Questions about August 21, 2001
What space photo was released on August 21, 2001?
NASA's Astronomy Picture of the Day for August 21, 2001 was "Dark Spots on Neptune". It's the card at the top of this page.
What was the Moon's phase on August 21, 2001?
A waxing crescent moon, about 5% lit.
What day of the week was August 21, 2001?
August 21, 2001 was a Tuesday, day 233 of the 365 days in 2001.
What did the Sun and the Earth look like on August 21, 2001?
NASA's Terra satellite photographed the whole Earth that day. It's 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.