Satellite sensor EPIC detects aerosols in Earth's atmosphere

Aerosols are small, solid particles that drift aloft in Earth's atmosphere. These minuscule motes may be any of a number of diverse substances, such as dust, pollution, and wildfire smoke. By absorbing or scattering sunlight, ...

SuperBIT: A low-cost, balloon-borne telescope to rival Hubble

Durham, Toronto and Princeton Universities have teamed up with NASA and the Canadian Space Agency to build a new kind of astronomical telescope. SuperBIT flies above 99.5% of the Earth's atmosphere, carried by a helium balloon ...

This is what rolling blackouts look like from space

Extreme winter weather hit Texas hard this February. An air mass from the arctic extended deep into the United States from Canada, with disastrous results for the ordinarily warm state. Along with snow and unusually low temperatures, ...

Researchers design next-generation photodetector

Northwestern University researchers have developed a new approach to quantum device design that has produced the first gain-based long-wavelength infrared (LWIR) photodetector using band structure engineering based on a type-II ...

NASA's SDO spots first lunar transit of 2021

On Jan. 13, 2021, NASA's Solar Dynamics Observatory, or SDO, experienced its first lunar transit of the year when the moon crossed its view of the sun. The transit lasted about 30 minutes, between 12:56 and 1:25 a.m. ET. ...

Distinct slab interfaces found within mantle transition zone

The oceanic lithosphere descends into Earth's mantle as subducting slabs. Boundaries between the subducting slab and the surrounding mantle are defined as slab interfaces, whose seismic imaging is the key to understanding ...

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