The sky on
your birthday.
Henrietta Leavitt Calibrates the Stars
Henrietta Swan Leavitt revolutionized our understanding of stellar brightness and variability. Working at Harvard College Observatory, she precisely calibrated the photographic magnitudes of 47 stars. Leavitt discovered over 1500 variable stars in the Magellanic Clouds. From this catalog, she found that brighter Cepheid variable stars take longer to vary, a fact crucial for measuring cosmic distances.
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 3 September 2000 · Red Sea See it as a poster -
Released on 3 September 2014 Wide-field view of the sky around the dark cloud Lupus 4 See it as a poster -
Released on 3 September 2012 Globular Star Cluster M4 See it as a poster -
Released on 3 September 2014 The dark cloud Lupus 4 See it as a poster -
Released on 3 September 2002 Aletsch Glacier, Switzerland See it as a poster -
Released on 3 September 2006 Viking 2 30th! See it as a poster
In tropical astrology, 3 SEP 2000 falls under Virgo (♍). The sign's window runs from 08-23 through 09-22. Virgo is the largest zodiac constellation, holding the heart of the Virgo galaxy cluster. The Sun was crossing this region of the sky on 3 SEP 2000.
Questions about September 3, 2000
What space photo was released on September 3, 2000?
NASA's Astronomy Picture of the Day for September 3, 2000 was "Henrietta Leavitt Calibrates the Stars". It's the card at the top of this page.
What was the Moon's phase on September 3, 2000?
A waxing crescent moon, about 21% lit.
What day of the week was September 3, 2000?
September 3, 2000 was a Sunday, day 247 of the 366 days in 2000.
What did the Sun and the Earth look like on September 3, 2000?
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.