The Copernicus Sentinel-1D satellite has delivered its first stunning radar images just days after launch, showcasing remarkable clarity and detail. These images, featuring critical locations in ...

Liftoff occurred at 4:02 p.m. ET today (Nov. 4). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Europe's Ariane 6 heavy-lift rocket took to the ...

An Ariane 6 lifts off Nov. 4 with the Sentinel-1D satellite on board. Credit: ESA-CNES-Arianespace-ArianeGroup/Optique vidéo du CSG - P. Piron WASHINGTON — An Ariane 6 successfully launched a radar ...

Arianespace, Europe’s long-standing primary launch provider, flew the Sentinel-1D Earth observation satellite aboard the third Ariane 6 launch of 2025. The flight, only the fourth ever flown by the ...

Abstract: The thermo-optic effect allows for the modulation of phase with very low induced optical losses in otherwise passive materials used for integrated optical phased arrays. A key drawback of ...

JWST observations of exoplanet TRAPPIST-1d reveal a lack of a substantial, Earth-like atmosphere, as indicated by a "flat" spectral signature lacking typical atmospheric molecule fingerprints (e.g., ...

Abstract: Traditional angle of arrival (AOA) localization in 3-D space typically requires sensors equipped with planar arrays, which incurs additional hardware costs. This limitation restricts its ...

Scientists did not find a robust atmosphere around TRAPPIST-1d, an Earth-size exoplanet many hoped would show signs of having air. Credit: NASA / ESA / CSA / J. Olmsted illustration As scientists ...

"At this point, we can rule out TRAPPIST-1d from a list of potential Earth twins or cousins." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Astronomers had hoped to observe an atmosphere on one of the seven planets known to orbit Trappist-1, a red dwarf star. A new study found nothing to write home about. By Jacey Fortin In the search for ...