NASAのインスタグラム(nasagoddard) - 12月9日 12時19分

VISIONS-2 Provides a Look at Earth’s Escaping Atmosphere

Two NASA sounding rockets were successfully launched Dec. 7 from Ny-Ålesund, Svalbard, in Norway providing scientists a look at the process of Earth’s atmosphere escaping into space.

The Visualizing Ion Outflow via Neutral Atom Sensing-2, or VISIONS-2, rockets were launched at 6:06 and 6:08 a.m. EST from the launch site operated by Norway’s, Andoya Space Center. Preliminary information shows that the flights of the two Black Brant X rockets were successful and good data was received.

VISIONS-2 is looking at atmospheric escape, the process whereby Earth is slowly leaking its atmosphere into space. Understanding atmospheric escape on Earth has applications all over the universe — from predicting which far off planets might be habitable, to piecing together how Mars became the desolate, exposed landscape it is today.

Credits: NASA/Allison Stancil-Ervin

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