Observation record / NASA 科学动态

NASA’s SR-1 Freedom Advances with Progress on Nuclear Power Module

First seen 10/21, 02:35 · Last observed 10/21, 23:37 · Source data is current

Source excerptDestined for Mars and beyond, NASA’s Space Reactor-1 (SR-1) Freedom will be humanity’s first fission-powered spacecraft to travel outside Earth’s orbit.

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 10/21, 02:11

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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 Gary Daines

View original observation times and ranks

Observation time (Beijing)	Source position
10/21, 23:37	6
10/21, 22:37	5
10/21, 21:37	5
10/21, 20:37	4
10/21, 19:37	4
10/21, 18:36	4
10/21, 17:36	4
10/21, 16:36	4
10/21, 15:36	4
10/21, 14:36	4
10/21, 13:36	4
10/21, 12:36	2
10/21, 11:36	2
10/21, 10:36	2
10/21, 09:36	2
10/21, 08:35	2
10/21, 07:35	2
10/21, 06:35	2
10/21, 05:35	2
10/21, 04:35	2
10/21, 03:35	1
10/21, 02:35	1

Daily aggregate history

日期	Best daily position	Last daily position	Observations
2026-10-21	1	6	22