The sky on
your birthday.
UGC 12591: The Fastest Rotating Galaxy Known
UGC 12591 is a galaxy that spins at about 480 kilometers per second, almost twice as fast as our Milky Way. This is the fastest rotation rate yet measured for a galaxy. It has dark dust lanes like a spiral galaxy, but a large diffuse bulge of stars like a lenticular. The mass needed to hold together a galaxy spinning this fast is several times the mass of our Milky Way.
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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 7 March 2017 See it as a poster -
The Earth on your day The Earth on 7 March 2017 · Eye of the Sahara, Mauritania See it as a poster -
Released on 7 March 2019 Globular cluster NGC 4147 See it as a poster -
Released on 7 March 2022 Hubble Looks Through Cosmic Zoom Lens See it as a poster -
Released on 7 March 2012 Wide-field view of the Hercules galaxy cluster See it as a poster -
Released on 7 March 2016 Swimming in Sculptor See it as a poster -
Released on 7 March 2025 Actively forming star system Lynds 483 (NIRCam image) See it as a poster
In tropical astrology, 7 MAR 2017 falls under Pisces (♓). The sign's window runs from 02-19 through 03-20. Pisces holds the location of the spring equinox in the current astronomical era. The Sun was crossing this region of the sky on 7 MAR 2017.
Questions about March 7, 2017
What space photo was released on March 7, 2017?
NASA's Astronomy Picture of the Day for March 7, 2017 was "UGC 12591: The Fastest Rotating Galaxy Known". It's the card at the top of this page.
What was the Moon's phase on March 7, 2017?
A waxing gibbous moon, about 69% lit.
What day of the week was March 7, 2017?
March 7, 2017 was a Tuesday, day 66 of the 365 days in 2017.
What did the Sun and the Earth look like on March 7, 2017?
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.