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HELSINKI —A Chinese Shiyan satellite appears in a low-inclination orbit never before used by the country, after a week-long detection delay and uncertainty over its mission. To continue reading this
With the Prime Day sales taking place July 8-11, now is the time to keep an eye on the products you’re interested in buying. Maybe you’re on the lookout for
(a) The Earth’s extensive and H-rich exosphere scatters solar Lyman-α photons, producing the geocoronal airglow; (b) the geometry of Earth’s illumination by the Sun (adapted from Kameda et al. 2017).
Chinese satellites are experimenting with increasingly sophisticated maneuvers in space, making U.S. officials uneasy that these orbital behaviors could give Beijing an advantage in a future conflict.
Modelled planetary bulk-density over time. The initial hydrogen inventory of each bulk-density evolution track is shown by the line colour. Blue/green shaded regions are reference densities for a planet of
2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Here you see the X-59 scaled model inside the JAXA supersonic wind tunnel during critical tests related to sound
There’s nowhere to park right now at the International Space Station for NASA’s next Commercial Crew Program launch, but a slot should clear next week, allowing for the launch of
As climate extremes intensify and global tipping points loom, Earth science has never been more vital — but not everyone is treating it that way. In the United States, NASA’s
6 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA’s Mariner 4 captured the first-ever close-up image of Mars on July 14, 1965. While waiting for the data
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