The sky on
your birthday.
The Century that Defined Galaxy
As the twentieth century began, the nature of the Milky Way was a subject of intense debate. Observations in the 1920s revealed spiral nebulae containing variable stars, placing them far beyond our galaxy. This confirmed the Milky Way is itself a spiral galaxy, viewed from within. Interstellar dust was later identified as the material obscuring our view of distant spiral arms.
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 30 December 2019 Placed Among the Stars See it as a poster -
Released on 30 December 2025 City lights outline the boot of Italy See it as a poster -
Released on 30 December 2021 The sun shines above the Earth's horizon as the International Space Station orbited 264 miles above the Canadian See it as a poster -
Released on 30 December 2023 The sun's glint beams off a tranquil, blue Atlantic Ocean in this photograph from the International Space Station as it See it as a poster -
Released on 30 December 2011 The Diner at the Center of the Galaxy See it as a poster
In tropical astrology, 30 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 30 DEC 1999.
Questions about December 30, 1999
What space photo was released on December 30, 1999?
NASA's Astronomy Picture of the Day for December 30, 1999 was "The Century that Defined Galaxy". It's the card at the top of this page.
What was the Moon's phase on December 30, 1999?
A last quarter moon, about 49% lit.
What day of the week was December 30, 1999?
December 30, 1999 was a Thursday, day 364 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.