Earth from Space: Budapest, Hungary

Budapest, the capital and most populous city in Hungary, is visible in this image captured by the Copernicus Sentinel-2 mission.
Industry skeptical about the business case for megaconstellations

Companies that have demonstrated the technical viability of broadband satellite megaconstellations now face a bigger challenge: closing the business case.
Chinese partnership to create Tianxian SAR satellite constellation

A Chinese state-owned enterprise and a private firm are partnering to establish a 96-satellite SAR constellation, with the first launch set for February 2022.
Analyst uses radar imagery to shed additional light on Chinese missile sites

Based on intelligence from SAR imagery, Lewis concluded that the Chinese are building a large wind turbine farm presumably to power missile silos.
Newly returned moon rock samples chronicle the dying days of lunar volcanism

Billions of years ago, lakes of lava on the surface of the moon eventually dried to form the vast dark patches—the lunar maria—visible today on the lunar nearside. Now, thanks to rock samples recently returned to Earth by China's Chang'e 5 mission, scientists have a new estimate for when one of the last of those lava flows ran dry.
Week in images: 4 - 8 October 2021

Week in images: 4 - 8 October 2021
Discover our week through the lens
NGA plans annual survey of international Earth imagery leaders

The National Geospatial-Intelligence Agency plans to conduct an annual assessment of commercial satellite imagery like the Olympic-themed evaluation the organization conducted earlier this year.
NASA Invites Media to James Webb Space Telescope Launch
Members of the media may now register their interest in attending the launch of NASA’s James Webb Space Telescope, the premier space science observatory for the next decade. Report offers way to ease Mars mission planetary protection requirements

Future Mars lander missions could adopt less stringent planetary protection requirements by landing in regions of the planet unlikely to allow any terrestrial contamination to propagate, a study concludes.

