New worlds, new horizons: a midterm assessment

Summary

Scientific discoveries and technical advances

Programmatic context

Progress toward NWNH goals, ground-based program

Progress toward NWNH goals, space-based program

The next decadal survey of astronomy and astrophysics

Appendix A: Statement of task

Appendix B: Letter of request

Appendix C: Acronyms

Appendix D: Biographies of committee members and staff.