The sky on
your birthday.
Callisto: Dirty Battered Iceball
Jupiter's moon Callisto is a battered ball of dirty ice, slightly smaller than Mercury. Its surface is the most densely cratered in the Solar System, with light-colored fractured ice from eons of impacts. NASA's Voyager 2 captured this image during a 1979 flyby.
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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 1 September 2025 See it as a poster -
The Earth on your day The Earth on 1 September 2025 · Great Lakes See it as a poster -
Released on 1 September 2006 Our Chaotic Neighbor See it as a poster -
Released on 1 September 2006 What Old is New in the Large Magellanic Cloud See it as a poster -
Released on 1 September 2010 Wide-field view of the field around NGC 4666 See it as a poster -
Released on 1 September 2014 Spiral in Serpens See it as a poster -
Released on 1 September 2015 Distant Neutrinos Detected Below Antarctic Ice See it as a poster
In tropical astrology, 1 SEP 2025 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 1 SEP 2025.
Questions about September 1, 2025
What space photo was released on September 1, 2025?
NASA's Astronomy Picture of the Day for September 1, 2025 was "Callisto: Dirty Battered Iceball". It's the card at the top of this page.
What was the Moon's phase on September 1, 2025?
A first quarter moon, about 62% lit.
What day of the week was September 1, 2025?
September 1, 2025 was a Monday, day 244 of the 365 days in 2025.
What did the Sun and the Earth look like on September 1, 2025?
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.