Gravity turn: Perbedaan antara revisi

'''Gravity turn''' atau '''zero-lift turn''' merupakan manuver yang digunakan dalam meluncurkan [[wahana antariksa]] ke dalam, atau turun dari, orbit sekitar benda angkasa seperti planet atau bulan.<ref name="space-sourcebook">{{Cite book|last = Glasstone|first = Samuel|title = Sourcebook on the Space Sciences|publisher = D. Van Nostrand Company, Inc|year = 1965|pages = 209 or §4.97|url = http://books.google.com/?id=K6k0AAAAMAAJ&q=gravity+turn&dq=gravity+turn}}</ref><ref name="thesis">{{Cite journal|first = David W.|last = Callaway|title = Coplanar Air Launch with Gravity-Turn Launch Trajectories|journal = Masters Thesis|date = March 2004|url = https://research.maxwell.af.mil/papers/ay2004/afit/AFIT-GAE-ENY-04-M04.pdf|access-date = 2016-01-21|archive-date = 2007-11-28|archive-url = https://web.archive.org/web/20071128105951/https://research.maxwell.af.mil/papers/ay2004/afit/AFIT-GAE-ENY-04-M04.pdf|dead-url = yes}}</ref>