Science

TAMPA, Fla. — SpaceX launched a second pair of O3b mPower satellites April 28 for SES, which is now just one launch away from bringing its next-generation broadband constellation in medium Earth orbit (MEO) online. The satellites lifted off at 6:12 p.m. Eastern on a Falcon 9 from Cape Canaveral Space Force Station, Florida, after
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HELSINKI — China National Space Administration will soon set up an organization to oversee and coordinate the China-led International Lunar Research Station. Wu Weiren, Director General of the Deep Space Exploration Laboratory (DSEL), said during an exploration conference April 25 that the International Lunar Research Station Cooperation Organization (ILRSCO) would soon be established to coordinate
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WASHINGTON — The Russian government has agreed to continue participation in the International Space Station to at least 2028, the last partner to agree to an extension of the station’s operations. NASA said April 27 that Russia had confirmed it will support the station through 2028. The other partners — NASA, the Canadian Space Agency,
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WASHINGTON — The Defense Department is considering ways to partner with commercial space companies so their services can be accessed during national security emergencies, DoD space policy chief John Plumb told lawmakers April 26. Plumb, who is assistant secretary of defense for space policy, testified at a House Armed Services Committee’s strategic forces subcommittee hearing
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Steering committee: Prasad Iyer (right) and Igal Brener with some of the optical equipment they used for beam steering experiments at Sandia National Laboratory. (Courtesy: Craig Fritz/Sandia National Laboratories) Drawing from the latest advances in metasurfaces and nanophotonics, researchers in the US have designed a new light source that can steer beams of incoherent light
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WASHINGTON — Quantum Space is accelerating work on a transfer vehicle designed to take payloads to both geostationary orbit and cislunar space to support growing demand from commercial and government customers. The Rockville, Maryland-based company, established last year to develop spacecraft called Scouts to provide services such as space domain awareness and communications between the
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Metalworks: artistic impression of a supernova. (Courtesy: NASA/ESA/G Bacon (STScI)) Machine learning has been used to characterize the heavy elements that the first stars in the universe passed on to their immediate successors after they exploded in supernovae. This cosmic inheritance of elements was studied by researchers affiliated with the Kavli Institute for the Physics
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Technology advances: the energy density of lithium-ion batteries has increased from 80 Wh/kg to around 300 Wh/kg since the beginning of the 1990s. (Courtesy: B Wang) Researchers have succeeded in making rechargeable pouch-type lithium batteries with a record-breaking energy density of over 700 Wh/kg. The new design comprises a high-capacity lithium-rich manganese-based cathode and a
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