The sky on
your birthday.
“The Decade that Defined Star System” is copyrighted by Lynette Cook. NASA has permission to show it and we don't, so it isn't on this card.
See it on NASA's siteAt the start of the 1990s, our Solar System was the only known planetary system. The first exoplanetary system was discovered in 1991, orbiting a pulsar, detected by subtle changes in pulse arrival times. By mid-decade, Jupiter-like planets around Sun-like stars were found by detecting a slight wobble in their stars' motion. The image shows an artist's sketch of a planet discovered orbiting HD 209458.
The AXAF Deep Field
ESO released this picture on 21 December 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 29 December 2006 Enceladus: Trailing Hemisphere See it as a poster -
Released on 29 December 2014 An ancient globule See it as a poster -
Released on 29 December 2012 Zeta Oph: Runaway Star See it as a poster -
Released on 29 December 2019 Stars glitter in the night sky above an atmospheric glow that blankets the city lights as the International Space See it as a poster -
Released on 29 December 2020 The waxing gibbous Moon, the phase before it becomes a Full Moon, is pictured from the International Space Station See it as a poster
In tropical astrology, 29 DEC 1999 falls under Capricorn (♑). The sign's window runs from 12-22 through 01-19. Capricorn is the dimmest zodiac constellation, but rich in deep-sky objects south of the celestial equator. The Sun was crossing this region of the sky on 29 DEC 1999.
Questions about December 29, 1999
What space photo was released on December 29, 1999?
NASA's Astronomy Picture of the Day for December 29, 1999 was "The Decade that Defined Star System". 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 December 29, 1999?
A last quarter moon, about 59% lit.
What day of the week was December 29, 1999?
December 29, 1999 was a Wednesday, day 363 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.