Observation record / NASA 科学动态

Instrumentation

First seen 10/20, 01:31 · Last observed 10/20, 22:34 · Source data is current

Source excerptTo measure airflow and sound, research teams at the NASA Glenn Research Center use special instrumentation like particle image velocimetry, hot wire anemometry, Raman spectrosco…

Why it mattersA first-party publication from NASA 科学动态, useful for checking the original wording of public policies, data or events.

Published 10/20, 00:37

30 minutesRank movement—

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Publication position history

22 observations

Publication feed in source order. Position changes do not count as heat or momentum.

NASA public information; third-party exceptions· Author L. Danielle Koch

View original observation times and ranks

Observation time (Beijing)	Source position
10/20, 22:34	9
10/20, 21:34	8
10/20, 20:34	8
10/20, 19:34	8
10/20, 18:34	8
10/20, 17:33	8
10/20, 16:33	8
10/20, 15:33	8
10/20, 14:33	8
10/20, 13:33	8
10/20, 12:33	6
10/20, 11:33	6
10/20, 10:33	6
10/20, 09:33	5
10/20, 08:32	5
10/20, 07:32	5
10/20, 06:32	5
10/20, 05:32	5
10/20, 04:32	5
10/20, 03:32	5
10/20, 02:31	4
10/20, 01:31	1

Daily aggregate history

日期	Best daily position	Last daily position	Observations
2026-10-20	1	9	22