Lots of people are posting Valentine’s day images with the heart-shaped island Galešnjak on Earth or this 3D anaglyph heart from the Moon or a splotch on Mars, but longtime readers will know I hate to do what everyone else is doing. So I dug around and found something unique: this cool heart-shaped feature on Mars — my Valentine to you all! Click to enlarge >Heart on Mars This heart-shaped pit on Mars is within Acheron Catena, one of many ….
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