Photon Phriday

  • Released Thursday, August 29, 2019
  • Updated Wednesday, November 23, 2022 at 8:53AM
  • ID: 13301

Photon Phriday is a weekly look at what ICESat-2 is measuring as it orbits the Earth. ICESat-2 Project Scientist Tom Neumann takes a look back at some recent passes in celebration of the first year on orbit for the mission. Follow @NASA_ICE for new Photon Phridays and results from NASA's ice-observing missions.

Photon Phrightday: Pholcanoes

Music: "Murder Victim," "City of Ghosts," Universal Production Music

Complete transcript available.

Additional Credits: HTHH island evolution research since 2015 (RRNES supported) by James B. Garvin and Dan Slayback of NASA GSFC

Experimental raft-towed sonar (LOWRANCE) by SEA students and enabled by Columbia Univ. Prof. Vicki Ferrini (Oct. 2019)

Additional HTHH remote sensing from Maxar WorldView and CSA’s Radarsat-2 satellites (since 2015 for HTHH)

Special thanks to Prof. Lori Magruder of UTx (CSR) for processing so adeptly the ICESat-2 lidar bathymetry

Permission by Kingdom of Tonga to conduct research into the evolution of HTHH as Earth’s newest land

Video footage of HTHH from SSV Robert C. Seamans sailing vessel (SEA owned and operated) by Captain Chris Nolan (Oct. 2019 visit)


Please give credit for this item to:
NASA's Goddard Space Flight Center


This visualization is related to the following missions:


This visualization can be found in the following series:

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