ISS transits sun

Composite made from five frames shows the International Space Station (ISS) in silhouette as it transits the sun on September 6, 2015

The ISS is traveling roughly 5 miles (8 kilometers) per second in both this image and the one below.

Image credit: NASA/Bill Ingalls

Image credit: NASA/Bill Ingalls

And below, see the ISS as it transits the moon on Sunday, August 2, 2015 (slightly right of center).

Image credit: NASA/Bill Ingalls

Image credit: NASA/Bill Ingalls

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Eleanor Imster