Complex sentence: At Goddard's Laboratory for High Energy Astrophysics, Weaver was a civil servant scientist, focusing on x-ray astronomy, particularly the Constellation X satellite project, which is part of NASA's "Beyond Einstein" program, as the Deputy Project Scientist.
Split into simpler sentences: At Goddard's Laboratory for High Energy Astrophysics, Weaver was a civil servant scientist. There she concentrated on x-ray astronomy, particularly on the Constellation X satellite project, which is part of NASA's "Beyond Einstein" program, as the Deputy Project Scientist.