The sky on
your birthday.
The Antikythera Mechanism
The Antikythera Mechanism was found at the bottom of the sea aboard an ancient Greek ship. X-ray images have confirmed it is a mechanical computer. It had an accuracy thought impossible in 80 BC, when the ship sank. This sophisticated technology predates similar devices by over a thousand years.
Heavy matte paper, about 200 gsm, printed in the United States and shipped free. The card stays free, the print is the thing you keep.
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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 20 January 2013 See it as a poster -
The Earth on your day The Earth on 20 January 2013 · Empty Quarter, Arabia See it as a poster -
Released on 20 January 2010 The Cat's Paw Nebula* See it as a poster -
Released on 20 January 2020 Caught “Pink-Handed” See it as a poster -
Released on 20 January 2026 The precious rings of space See it as a poster -
Released on 20 January 2026 Helix Nebula (NIRCam image) See it as a poster -
Released on 20 January 2010 Around the Cat's Paw Nebula See it as a poster
In tropical astrology, 20 JAN 2013 falls under Aquarius (♒). The sign's window runs from 01-20 through 02-18. Aquarius is home to the Helix Nebula, the closest planetary nebula to Earth. The Sun was crossing this region of the sky on 20 JAN 2013.
Questions about January 20, 2013
What space photo was released on January 20, 2013?
NASA's Astronomy Picture of the Day for January 20, 2013 was "The Antikythera Mechanism". It's the card at the top of this page.
What was the Moon's phase on January 20, 2013?
A first quarter moon, about 60% lit.
What day of the week was January 20, 2013?
January 20, 2013 was a Sunday, day 20 of the 365 days in 2013.
What did the Sun and the Earth look like on January 20, 2013?
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.