Space Math III — Problem 33, A Lunar Transit of the Sun from Space

One of the STEREO satellites observed the disk of the moon pass across the sun. Students use simple geometry to determine how far the satellite was from the moon and Earth at the time the photograph was taken. A one-page teacher guide accompanies the one-page assignment.
Problem 33, A Lunar Transit of the Sun from Space  [254KB PDF file]
This mathematics problem is part of Space Math III.