Suggested Searches

Blogs

    NASA TV Goes Live Wednesday to Broadcast Spacewalk

    NASA astronauts Chris Cassidy and Robert Behnken are scheduled to depart the International Space Station’s Quest airlock Wednesday for a spacewalk to complete battery replacement activities to upgrade one of two power channels on the station’s far starboard truss (S6 Truss). The upgrade includes removing six aging nickel-hydrogen batteries and replacing them with three new lithium-ion batteries and the adapter plates …

    Read Full Post

    June Puzzler

    Every month on Earth Matters, we offer a puzzling satellite image. Your challenge is to tell us what we are looking at, where it is, and why it is interesting.

    Read Full Post

    Astronauts Finalize Preps Before Wednesday’s Battery Spacewalk

    The Expedition 63 crew is set for its second spacewalk on Wednesday at 7:35 a.m. EDT to continue upgrading International Space Station power systems. Commander Chris Cassidy will lead the spacewalk and exit the Quest airlock in the U.S. spacesuit with the red stripes. He’ll be followed by Flight Engineer Bob Behnken in his spacesuit …

    Read Full Post

    ISS Daily Summary Report – 6/29/2020

    Payloads MELFI 1/2/3 Nitrogen pressure check: The crew performed a routine pressure check on the 3 MELFI units on board ISS.  These checks are performed every 6 months to make sure the expected ~9000-10000 kPa is present in the units.  The MELFIs use nitrogen as a working fluid to achieve temperature set points as cold …

    Read Full Post

    Into the Ice

    MOSAiC expedition scientists returned to the Arctic sea-ice pack, greeted by a surprisingly distinct boundary between the open ocean and pack ice.

    Read Full Post

    Astronauts Look to Wednesday’s Spacewalk

    NASA astronauts Chris Cassidy and Bob Behnken will start their second spacewalk together on July 1. The duo will continue upgrading power systems on the International Space Station. The veteran spacewalkers wrapped up a spacewalk on Friday after six hours and 7 minutes swapping five aging nickel-hydrogen (NiH2) batteries with two new lithium-ion (Li-Ion) batteries. …

    Read Full Post

    ISS Daily Summary Report – 6/26/2020

    Systems USOS Extravehicular Activity (EVA) #65/S6 Battery EVA #1:  Chris Cassidy (EV1) and Bob Behnken (EV2) performed a 6 hour 7 minute EVA that completed the following tasks in support of the S6 Channel 1B battery transition from nickel hydrogen to lithium-ion batteries: NiH2 Battery 1 from S6 IEA to External Pallet (EP) Li-Ion Battery …

    Read Full Post

    Cassidy and Behnken Conclude Spacewalk to Replace Batteries

    NASA astronauts Chris Cassidy and Robert Behnken concluded their spacewalk at 1:39 p.m. EDT, after six hours and seven minutes. The two NASA astronauts completed all the work planned for this first of four spacewalks to replace batteries that provide power for the station’s solar arrays on the starboard truss of the complex as well as initial tasks originally planned for …

    Read Full Post