About 400 sixth- through eighth-grade students and their teachers at NASA Explorer School Conyers Middle School in Conyers, Ga., will participate in a live downlink with astronauts aboard the International Space Station, which is scheduled to take place on Wednesday at 12:20 p.m. EDT. Selected students will ask questions of astronauts Tracy Caldwell Dyson, Doug Wheelock and Shannon Walker, members of the 24th crew who live and work aboard the station. NASA Television will broadcast video from the space station during the event.
For NASA TV downlink, schedule and streaming video information visit: https://www.nasa.gov/ntv
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The last external tank (designated ET-138) scheduled to fly on a shuttle mission was completed on June 25 at NASA’s Michoud Assembly Facility near New Orleans. ET-138 will travel on a 900-mile sea journey to NASA’s Kennedy Space Center in Florida, where it will support shuttle Endeavour’s STS-134 launch.
Taller than a 15-story building and more than 27 feet in diameter, the external tank feeds 145,000 gallons of liquid oxygen and 390,000 gallons of liquid hydrogen to the main engines. The three main components of the external tank include a liquid oxygen tank, liquid hydrogen tank and a collar-like intertank. The intertank connects the two propellant tanks, houses instrumentation and processing equipment, and provides the attachment structure for the solid rocket boosters.
When ET-138 arrives at KSC, it will be mated to shuttle Endeavour and solid rocket boosters for the STS-134 mission, scheduled to launch no earlier than mid-November 2010.
To read more about the mission, visit the NASA website at https://www.nasa.gov/topics/shuttle_station/features/et138_rollout.html.
NASA has released an interactive online tool enabling students to simultaneously visualize and manipulate three linked representations of a distance-rate-time problem. The side-by-side tool format features two airplanes (each flying at a constant speed) on merging jet routes, the corresponding distance-vs.-time graphs, and the corresponding linear equations.
Students can manipulate an airplane’s speed and starting position on its route, rotate or shift the associated line on the graph, and change the parameters of the associated equation. As students change one representation, the other representations update accordingly.
The free classroom materials include the tool, student workbooks, assessments, teacher guides, and alignments to grades 5-9 mathematics standards for all 50 states.
The new tool is an addition to FlyBy Math from NASA Smart Skies — distance-rate-time investigations engaging students in the challenges faced by air traffic controllers.
To access the new tool, visit http://www.smartskies.nasa.gov/flyby.
To access all of the Smart Skies mathematics investigations, visit http://www.smartskies.nasa.gov/.
Questions about the Smart Skies website and tools should be directed to firstname.lastname@example.org.
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