Astronomy and Space

Electrojet Zeeman Imaging Explorer

Electrojet Zeeman Imaging Explorer (EZIE) is a NASA heliophysics mission that studies the Sun and space weather near Earth. It consists of three CubeSats that observe the auroral electrojets, by exploring a phenomenon called Zeeman splitting – the splitting of a molecule’s light spectrum in a magnetic field. EZIE was launched on 14 March 2025 on SpaceX Transporter-13 Mission as a rideshare payload. EZIE satellites captured "first light" on March 19; one of the three satellites successfully recorded Zeeman splitting of the 118 GHz oxygen emission line for the first time with its Microwave Electrojet Magnetogram (MEM) instrument.

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• ▸EQUULEUS
• ▸False front
• ▸Gravity Probe A

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