"These bubbles are difficult to study from the ground," Rick Doe, payload program manager for the E-TBEx mission, said in the statement. But right now, scientists don't know when the bubbles will form or how they'll change over time. Related: In Photos: SpaceX's Falcon Heavy Triple Rocket Landing of Arabsat-6AĮarth's ionosphere, a layer in the upper atmosphere that is bombarded by solar and cosmic radiation and therefore full of charged particles, contains "structured bubbles." These bubbles can distort radio signals, interfering with military and airline communications, as well as GPS signals, NASA said in a statement, particularly over the equator.Īs we learn more about these bubbles, we'll be able to avoid the signal problems they cause, according to NASA. As they orbit close to Earth, they'll provide scientists with essential information about how radio signals can be disrupted as they pass through the planet's upper atmosphere. These twin satellites, called E-TBEx, short for Enhanced Tandem Beacon Experiment, will stay close to home.
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