School of Chemistry, Xi’an Jiaotong University, Engineering Research Center of Energy Storage Materials and Devices, Ministry of Education, Xi’an 710049, China School of Chemistry, Xi’an Jiaotong ...

Spacecrafts, spent rocket boosters and even astronauts' lost tool bags can combine with old satellites to create a halo of orbital debris that lasts for decades. The risk of all these new objects ...

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SpaceX has mastered Argon SpaceX has mastered Argon Hall Effect thrusters, something no one else has been able to do. This affords a higher power density (4.2kW in 2.1kg) and much lower cost gas ...