Here’s a rather interesting view from orbit around the innermost planet: Mercury’s Tyagaraja crater, the interior of which is seen here in an oblique-angled image acquired by the MESSENGER spacecraft on November 12, 2011 (and released August 16, 2013.) This view looks west across the northern portion of the 97-kilometer (60-mile) -wide crater, and shows some … Continue reading On the Edge of Tyagaraja