The Physics To Go website will be unavailable Friday evening through Saturday afternoon as electrical work occurs in the American Center of Physics server room. Down time will begin at 6PM Eastern Time on Friday. Service is expected to resume by 6PM on Saturday, July 30.

APOD: X-Ray Moon Feature Summary

From Physics Research
APOD: X-Ray Moon
What you see above is two images of the moon in x-ray light as it moves in front of an x-ray binary star system. The binary is visible as a yellow dot in the first image before being obscured by the moon in the second. Learn more about this image here. To see another image of the moon in x-ray light, see APOD: X-Ray Moon.
image credit: <a href="" target="_blank">ROSAT Mission</a>, <a href="http://" target="_blank">Max-Planck-Institut für Extraterrestrische Physik</a>; <a href="" target="_blank">image source</a>; <a href="" target="_blank">larger image</a>
image credit: ROSAT Mission, Max-Planck-Institut für Extraterrestrische Physik; image source; larger image
Image URL:
October 16, 2009 - November 1, 2009