The sky on
your birthday.
Magnetic Mars
Instruments on the Mars Global Surveyor spacecraft have mapped banded magnetic field patterns on Mars. This was a startling discovery, suggesting that the Red Planet was more Earth-like in its distant past. The red and blue regions within the orbital tracks indicate adjacent areas where magnetic fields point in opposite directions. These bands run east-west, about 100 miles wide and 600 miles long.
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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Released on 4 May 2011 Wide-field image of the area around the Meathook galaxy (ground-based image) See it as a poster -
Released on 4 May 2011 Wide-field view of the sky around the Meathook galaxy See it as a poster -
Released on 4 May 2020 Galaxy Galaxy, Burning Bright! See it as a poster -
Released on 4 May 2015 A hole in the sky See it as a poster -
Released on 4 May 2017 The Perseus Cluster Waves See it as a poster
In tropical astrology, 4 MAY 1999 falls under Taurus (♉). The sign's window runs from 04-20 through 05-20. Taurus holds the Pleiades star cluster and Aldebaran, the red giant that marks the eye of the Bull. The Sun was crossing this region of the sky on 4 MAY 1999.
Questions about May 4, 1999
What space photo was released on May 4, 1999?
NASA's Astronomy Picture of the Day for May 4, 1999 was "Magnetic Mars". It's the card at the top of this page.
What was the Moon's phase on May 4, 1999?
A waning gibbous moon, about 85% lit.
What day of the week was May 4, 1999?
May 4, 1999 was a Tuesday, day 124 of the 365 days in 1999.
Was there a meteor shower on May 4, 1999?
Yes: the Eta Aquariid shower, peaks in 2 days.
Is it free?
Yes. Seeing, sharing and downloading the card is free, and there's no account to make.