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PearsonArtPhoto
PearsonArtPhoto
00:40
Didn't watch it here, too busy doing other stuff.
Amazing job to the SpaceX team!
 
1 hour later…
uhoh
uhoh
01:55
@peterh-ReinstateMonica that looks much better, I've voted to reopen as well
geoffc
geoffc
And Starship SN4 did another static fire, but then blew up a few second later as it was venting/safing.
 
2 hours later…
Hans
Hans
04:18
Hey, guys. I have edited the question to make it more specific and not opinion based. Please consider reopening the question.
Z. Cochrane
Z. Cochrane
05:11
hello
 
9 hours later…
Mast
Mast
14:31
Crew Dragon Demo-2 has completed docking. They did it.
peterh - Reinstate Monica
peterh - Reinstate Monica
15:22
They are on the ISS!
 
1 hour later…
NASA Space Flight
NASA Space Flight
16:46
NASASpaceFlight.com: Long March 2D lofts Gaofen-9
posted on May 31, 2020 by Rui C. Barbosa

A Long March 2D launched the Gaofen-9 (02) remote sensing satellite on Sunday, as China… The post Long March 2D lofts Gaofen-9 appeared first on NASASpaceFlight.com.

 
3 hours later…
Z. Cochrane
Z. Cochrane
19:23
can someone link me to some source how to interpret earth orbit maps or (mentally) convert them to a globe?
 
2 hours later…
uhoh
uhoh
20:58
@Z.Cochrane In 3D an orbit is in a plane, so imagine a plane slicking through a sphere. The problem is that the Earths' surface is rotating, though much more slowly than the orbit, so the ground track gets a little distorted.
See answers to the following:
37
Q: What kind of orbit makes this wave shaped ground track?

uhohHere is a screen shot from NY2O of the ground track from GSAT-6A (43241, 2018-027A). What kind of orbit can make this wave shaped ground track?

isro ground-track
6
Q: Analytical expression for the ground track of the International Space Station

3rik FelvincziFor a maths task in school, I am investigating the orbit of the International Space Station around the Earth. I understand that when the 3D movement in space is represented on a 2D surface, the relationship is not sinusoidal, however I have created the following (simple) model, which I am unsure...

orbital-mechanics iss mathematics ground-track
2
Q: Did SpektrRG make a "u-turn", and how does this ground track remain a steady 6° above the equator?

uhohThis tweet The second (crucial) engine firing of the Block DM-03 stage in today's #SpektrRG launch to come in an hour, when the spacecraft almost completes its first orbit around the Earth. Here is my estimate of the ground track: https://t.co/GC8WmAMGct contains the first image below, and ...

orbital-mechanics russia spektr-rg
@Z.Cochrane then feel free to post a new question for further clarification or if you have a specific ground track you'd like to understand in more detail
Z. Cochrane
Z. Cochrane
21:46
Wonderful thanks. I think I've got a handle on it but wanted to "explain like i'm 5" to someone else. The earth's surface rotation was the missing piece I didn't get. Also not knowing the term "ground track" made googling harder.
Cheers.

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