LOS ANGELES — Richard Branson’s Virgin Orbit has reached space eight months after the first demonstration flight of its air-launched rocket system failed.,The company says a 70-foot-long LauncherOne rocket released from beneath the wing of a Boeing 747 aircraft off the coast of Southern California reached orbit Sunday.,The rocket carried a cluster of very small satellites developed as part of a NASA educational program involving U.S. universities.,Virgin Orbit attempted its first demonstration launch in May 2020.,That rocket was released and ignited but only briefly flew under power before it stopped thrusting.