○○○ hypersonic ⪢⪢
U.S. officials now believe the objects are mostly likely not secret U.S.
technology but they worry they could be advanced systems by another country, potentially Russia or China, both known to test hypersonic systems.
http://qindex.info/i.php?x=15561
○○○ cryogenic ⪢⪢
_____ engines are the most prestigious rocket engine
technology. Due to their design and operational complexity, only a few countries have actually been able to develop this intriguing engine. #bookmark
http://qindex.info/i.php?x=17953
• Planet Nine
○ The scientists are with the California Institute of
Technology or Caltech.
○ Pluto had been considered the ninth planet until 2006 when it was renamed a dwarf planet.
○ Anna Matteo, Konstantin Batygan, Mike Brown, Robert Massey
http://qindex.info/i.php?x=3289
○○○ Huawei ⪢⪢
○○○ aboard ⪢⪢
