Pegasus-XL Boosts NASA's IRIS Sun-Watcher into Orbit

 

The Lockheed L-1011 aircraft departs Runway 12/30 at Vandenberg Air Force Base, Calif., at 6:27 p.m. PDT (9:27 p.m. EDT) on 27 June 2013. Almost an hour later, after reaching its required deployment position, Pegasus-XL was air-launched to begin its mission of deploying NASA’s IRIS solar observatory. Photo Credit: Robert C. Fisher / […]

Launch of IRIS on Orbital Pegasus XL Slips a Day

The planned launch of an Orbital Pegasus XL rocket has been delayed a day due to range power issues. Photo Credit: Randy Beaudoin, VAFB / NASA

The launch of an Orbital Sciences Corporation Pegasus XL rocket with NASA’s Interface Region Imaging Spectrograph (IRIS) will have to wait a little longer. The launch is now […]

Pegasus-XL Ready to Air-Launch NASA's IRIS Sun-Watching Satellite

Deployed from beneath the L-1011 aircraft, Pegasus-XL utilizes three solid-fuelled stages to deliver payloads weighing up to 980 pounds into low-Earth orbit. Wednesday’s flight will be the 42nd Pegasus mission since April 1990. Photo Credit: NASA / Orbital Sciences Corp.

Orbital Sciences Corp. is ready to boost its 42nd Pegasus air-launched rocket aloft on […]

NASA’s Newest Sun-Watcher Arrives on the West Coast

The IRIS spacecraft arrives at Vandenberg Air Force Base, Calif., on 16 April, ahead of its scheduled flight aboard a Pegasus air-launched booster on 28 May. Photo Credit: NASA

Six weeks before its scheduled launch, NASA’s Interface Region Imaging Spectrograph (IRIS) satellite was delivered to Vandenberg Air Force Base, Calif., last week for final […]