The sky on
your birthday.
Equinox and the Iron Sun
Today, the Sun crosses the celestial equator, heading south. This equinox marks the first day of autumn in the northern hemisphere and spring in the south. Earth dwellers will experience nearly 12 hours of daylight and 12 hours of darkness. The Sun continues its march lower in the sky as winter approaches.
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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 Sun on your day The Sun on 23 September 2010 See it as a poster -
The Earth on your day The Earth on 23 September 2010 · Italy and the Adriatic See it as a poster -
Released on 23 September 2024 The new and improved IC 1954 See it as a poster -
Released on 23 September 2004 Most-Distant Galaxy Candidates in the Hubble Ultra Deep Field See it as a poster -
Released on 23 September 2015 The star formation region Messier 17 See it as a poster -
Released on 23 September 2019 Beacon of Light See it as a poster -
Released on 23 September 2015 Digitized Sky Survey Image of the Omega Nebula (M 17) See it as a poster
In tropical astrology, 23 SEP 2010 falls under Libra (♎). The sign's window runs from 09-23 through 10-22. Libra is the only zodiac constellation named for an inanimate object, the scales of judgment. The Sun was crossing this region of the sky on 23 SEP 2010.
Questions about September 23, 2010
What space photo was released on September 23, 2010?
NASA's Astronomy Picture of the Day for September 23, 2010 was "Equinox and the Iron Sun". It's the card at the top of this page.
What was the Moon's phase on September 23, 2010?
A full moon, about 100% lit.
What day of the week was September 23, 2010?
September 23, 2010 was a Thursday, day 266 of the 365 days in 2010.
What did the Sun and the Earth look like on September 23, 2010?
NASA's Solar Dynamics Observatory photographed the Sun that day, and NASA's Terra satellite photographed the whole Earth. Both are 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.