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Sun Release Two CMEs
Sun Release Two CMEs

The sun erupted with two coronal mass ejections, or CMEs. The first is Earth-directed. A second non-Earth-directed CME was released…

TDRS-K Spacecraft Ready for Launch
TDRS-K Spacecraft Ready for Launch

NASA’s Tracking and Data Relay Satellite, TDRS-K, enclosed in its payload fairing, passes through the Launch Complex 39 area at…

TDRS-K to the Pad
TDRS-K to the Pad

Enclosed in its payload fairing, NASA’s Tracking and Data Relay Satellite, TDRS-K, passes through the Launch Complex 39 area at…

Earth’s Upper Atmosphere
Earth’s Upper Atmosphere

The Earth’s atmosphere has four primary layers: the troposphere, stratosphere, mesosphere, and thermosphere. These layers protect our planet by absorbing…

Components of the Heliosphere
Components of the Heliosphere

The Heliosphere is the outer atmosphere of the Sun and marks the edge of the Sun’s magnetic influence in space.

Earth’s Magnetosphere
Earth’s Magnetosphere

The inner magnetosphere is composed of three populations of charged particles that are trapped in the Earth’s magnetic field.

Graphic of the Upper Atmosphere
Graphic of the Upper Atmosphere

The Earth’s atmosphere has four primary layers: the troposphere, stratosphere, mesosphere, and thermosphere.

Remembering the Apollo 1 Crew
Remembering the Apollo 1 Crew

On Jan. 27, 1967, veteran astronaut Gus Grissom, first American spacewalker Ed White and rookie Roger Chaffee (left-to-right) were preparing…

Crew Trains in Station Cupola Mock-Up
Crew Trains in Station Cupola Mock-Up

JSC2013-E-007020 (18 Jan. 2013) — Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata (left), Expedition 38 flight engineer and Expedition…

F-1 Engine Gas Generator Test at Marshall
F-1 Engine Gas Generator Test at Marshall

The gas generator from an F-1 engine is test-fired at the Marshall Space Flight Center in Huntsville, Ala., on Jan.…