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Space Exploration Meta
Space Exploration Meta
2:10 AM
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Q: What's the difference between the [astrodynamics] and [orbital-mechanics] tags? Do we need both? Will question authors always know which to use?

uhoh astrodynamics 82 questions: The study of satellite orbits and space flight dynamics. orbital-mechanis 1,527 questions: Orbital mechanics or astrodynamics is the application of ballistics and celestial mechanics to the practical problems concerning the motion of rockets and other spacecraft...

discussion tags tag-synonyms tagging
 
 
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NASA Space Flight
NASA Space Flight
3:23 AM
NASASpaceFlight.com: Long March 4B with Shijian-6 Group 5 satellites launches successfully from Jiuquan
posted on December 10, 2021 by Justin Davenport

A Long March 4B reportedly carrying a pair of Chinese Shijian-6 Group 05 satellites has… The post Long March 4B with Shijian-6 Group 5 satellites launches successfully from Jiuquan appeared first on NASASpaceFlight.com.

 
 
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Feeds
Feeds
5:43 AM
 
 
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uhoh
uhoh
9:09 AM
0
Q: What observational data are there that comet Leonard C/2021 A1 might be dimming and/or breaking up?

uhohSpace.com's Comet Leonard, the brightest of the year, is fading and acting strange seems to be full of inexact language, like "something's wrong" and "unhealthy" and "goner" and "the comet's heart could also implode": "It's not great news. The comet should be brighter and brighter," Quanzhi Ye, ...

observational-astronomy amateur-observing comets photometry
 
 
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Feeds
Feeds
2:30 PM
 
 
8 hours later…
XKCD
XKCD
10:09 PM
 

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