This was
your sky.
Flowing Barchan Sand Dunes on Mars
On Mars, even sand dunes can look like flowing liquid. These barchan dunes, shaped by persistent winds, appear to drip and streak across the landscape. This image shows them on two flat-topped mesas in southern Mars, as the season shifts from spring to summer.
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.
Prints are coming soon. The card is free to save and share in the meantime.
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 20 April 2017 A sea of galaxies See it as a poster -
Released on 20 April 2011 A rose made of galaxies See it as a poster -
Released on 20 April 2026 Trifid Nebula (Wide Field Camera 3 Image) See it as a poster -
Released on 20 April 2017 A close galactic pair See it as a poster -
Released on 20 April 2017 Wide-field image of NGC 4298 and NGC 4302 (ground-based image) See it as a poster
In tropical astrology, 20 APR 2009 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 20 APR 2009.