The sky on
your birthday.
The Surface of Titan
Titan, Saturn's largest moon, has a thick, smoggy atmosphere. Recent images from the Keck 10-meter telescope, using infrared light, revealed the finest details yet of its surface. These features are interpreted as oceans, glaciers, and rock. If you were sailing its hydrocarbon seas, you might even encounter gasoline rain.
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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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 1999 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 1999.
Questions about August 4, 1999
What space photo was released on August 4, 1999?
NASA's Astronomy Picture of the Day for August 4, 1999 was "The Surface of Titan". It's the card at the top of this page.
What was the Moon's phase on August 4, 1999?
A last quarter moon, about 52% lit.
What day of the week was August 4, 1999?
August 4, 1999 was a Wednesday, day 216 of the 365 days in 1999.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.