The sky on
your birthday.
“Sun Block” is copyrighted by Dominik Pasternak. NASA has permission to show it and we don't, so it isn't on this card.
See it on NASA's siteDuring a total solar eclipse, the Moon almost perfectly blocks the Sun. The Sun is about 400 times wider than the Moon, but it is also about 400 times farther away. This coincidence makes them appear roughly the same size in the sky. On August 11, 1999, this alignment allowed prominences to be seen around the Moon's dark edge.
Methane brown dwarf
ESO released this picture on 18 August 1999. That is the day it was published, not the day it was taken.
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 18 August 2012 Curiosity on Mars: Still Life with Rover See it as a poster -
Released on 18 August 2025 NGC 1309: A Useful Spiral Galaxy See it as a poster -
Released on 18 August 2025 Noteworthy nearby spiral See it as a poster -
Released on 18 August 2013 Skylab Over Earth See it as a poster -
Released on 18 August 2018 Earth's limb and dust storms in the Sahara are pictured as the International Space Station orbited nearly 252 miles See it as a poster
In tropical astrology, 18 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 18 AUG 1999.
Questions about August 18, 1999
What space photo was released on August 18, 1999?
NASA's Astronomy Picture of the Day for August 18, 1999 was "Sun Block". It's a photographer's copyrighted image, so we link to it on NASA's site and show the Sun or the Earth that day instead.
What was the Moon's phase on August 18, 1999?
A first quarter moon, about 40% lit.
What day of the week was August 18, 1999?
August 18, 1999 was a Wednesday, day 230 of the 365 days in 1999.
Was there a meteor shower on August 18, 1999?
Yes: the Perseid shower, peaked 5 days ago.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.