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Topic: OT Artemis II

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Gigem

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Re: OT Artemis II
« Reply #84 on: January 29, 2026, 03:17:08 PM »
Quote from: MikeDeTiger on January 29, 2026, 12:58:52 PM
With technology as it currently stands, are there only certain times when spacecraft can be sent to Mars?  i.e., does the location of Earth and Mars in their respective orbits have to be in a certain place in order to make it possible? 

Like, when they're relatively close together, I mean.  And how often does that occur? 

My assumption is that there's times when Earth and Mars are basically on different sides of the sun, thus very far apart, and that might not be ideal--or impossible with today's technology--to navigate.  But you know what they say about assumptions....
Yes, that's about right.  Every roughly two years, Mars and Earth line up so they are a lot closer together.  It's roughly a 6 month journey using current rocket tech. 



https://upload.wikimedia.org/wikipedia/commons/5/57/Animation_of_C%EF%BC%8F2020_F3_orbit_around_Sun.gif
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MikeDeTiger

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Re: OT Artemis II
« Reply #85 on: January 29, 2026, 03:38:53 PM »
Quote from: Gigem on January 29, 2026, 03:17:08 PM
Yes, that's about right.  Every roughly two years, Mars and Earth line up so they are a lot closer together.  It's roughly a 6 month journey using current rocket tech.  

How long does a space vessel have on Mars to leave again while the window for getting home is still feasible?  It would kinda suck to spend 6 months going to Mars, 6 months coming home, and only staying there for like 3 days or something.  
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Cincydawg

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Re: OT Artemis II
« Reply #86 on: January 29, 2026, 05:02:25 PM »
https://marspedia.org/Mars_mission_duration

They could spend about a month there, or two plus years.  
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Cincydawg

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Re: OT Artemis II
« Reply #87 on: January 29, 2026, 05:10:28 PM »
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Brutus Buckeye

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Re: OT Artemis II
« Reply #88 on: January 29, 2026, 07:54:12 PM »
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FearlessF

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Re: OT Artemis II
« Reply #89 on: January 29, 2026, 09:11:21 PM »
Quote from: Cincydawg on January 29, 2026, 05:02:25 PM
https://marspedia.org/Mars_mission_duration

They could spend about a month there, or two plus years. 
not sure they could pay me enuff
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Cincydawg

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Re: OT Artemis II
« Reply #90 on: Today at 08:04:45 AM »
I think exploring Mars is better done with robots, not humans.  Then perhaps we build housing for humans with power etc. and send humans one way.   Maybe if we really want to colonize.

Stuff can be built robotically first.
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847badgerfan

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Re: OT Artemis II
« Reply #91 on: Today at 08:06:06 AM »
Are there materials on Mars for use in construction? I don't know much about that place.
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Cincydawg

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Re: OT Artemis II
« Reply #92 on: Today at 08:09:08 AM »
Not really.  They would have to be sent from here at least initially.

I don’t know the composition of the two moons. 

https://en.wikipedia.org/wiki/Martian_Moons_eXploration
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FearlessF

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Re: OT Artemis II
« Reply #93 on: Today at 08:09:38 AM »
what would be the purpose of a human colony on Mars or any planet/moon?

mining?

what's the ROI look like?
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Cincydawg

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Re: OT Artemis II
« Reply #94 on: Today at 08:11:56 AM »
I think the core concept is to protect human existence from a planetary disaster here.
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FearlessF

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Re: OT Artemis II
« Reply #95 on: Today at 08:16:55 AM »
so, the colony waits out the disaster, then comes back to what's left of the earth to repopulate the planet?

:smiley_confused1:
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Cincydawg

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Re: OT Artemis II
« Reply #96 on: Today at 08:41:13 AM »
Maybe in time, depending.   Maybe not.  

Just a concept really.   There isn’t much of real value on Mars I know about.  

It could make more sense to move an asteroid to an L5 point and populate that.
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FearlessF

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Re: OT Artemis II
« Reply #97 on: Today at 08:45:42 AM »
it could make a helluva lot more sense and still not make good sense IMO
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