Pegasus XL | Interface Region Imaging Spectrograph (IRIS)

Launch Provider & Rocket

• Provider: Orbital Sciences Corporation (Commercial)
• Rocket: Pegasus XL — Pegasus family

Mission

The Interface Region Imaging Spectrograph (IRIS) is a NASA Small Explorer Mission to observe how solar material moves, gathers energy, and heats up as it travels through a little-understood region in the sun's lower atmosphere.

• Type: Heliophysics
• Orbit: Sun-Synchronous Orbit (SSO)

Launch Site

• Pad: Vandenberg Space Force Base
• Location: Air launch to orbit
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