The sky on
your birthday.
White Rock Fingers on Mars
These unusual light rock formations on Mars, resembling fingers, were initially thought to be salt deposits from an ancient lakebed. However, detailed studies of their color and erosion patterns suggest a volcanic origin, likely ash. The material appears to have eroded away from the surrounding area, indicating it is a very low-density substance. This finding helps us understand Mars's geological history.
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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 30 October 2011 See it as a poster -
The Earth on your day The Earth on 30 October 2011 · Colorado Plateau See it as a poster -
Released on 30 October 2003 The Lynx Cluster (ground-based view, Digitized Sky Survey 2) See it as a poster -
Released on 30 October 2017 Abell’s richest cluster See it as a poster -
Released on 30 October 2007 Arp 87 from the DSS (ground-based image) See it as a poster -
Released on 30 October 2023 The dancer in Dorado See it as a poster -
Released on 30 October 2020 The sky around the Skull Nebula See it as a poster
In tropical astrology, 30 OCT 2011 falls under Scorpio (♏). The sign's window runs from 10-23 through 11-21. Scorpio is marked by Antares, a red supergiant the size of Mars's orbit. The Sun was crossing this region of the sky on 30 OCT 2011.
Questions about October 30, 2011
What space photo was released on October 30, 2011?
NASA's Astronomy Picture of the Day for October 30, 2011 was "White Rock Fingers on Mars". It's the card at the top of this page.
What was the Moon's phase on October 30, 2011?
A waxing crescent moon, about 12% lit.
What day of the week was October 30, 2011?
October 30, 2011 was a Sunday, day 303 of the 365 days in 2011.
What did the Sun and the Earth look like on October 30, 2011?
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.