Barring an unsuccessful deployment, the Chandra Observatory will orbit the Earth for five to 10 years in an ellipse that will take it one-third of the way to the Moon.
(an ellipse; will take; it; T:one-third of the way to the Moon) (the Chandra Observatory; will orbit; the Earth; T:for five to 10 years)
an ellipse the Chandra Observatory
will take will orbit
it T:one-third of the way to the Moon
the Earth T:for five to 10 years