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![elonmusk Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::44196397.png) Elon Musk [@elonmusk](/creator/twitter/elonmusk) on x 222.8M followers
Created: 2025-02-19 08:38:08 UTC

XX Earth-Mars transfer windows are needed to make Mars self-sustaining, ideally at least XX. 

1/4 to 1/2 century.


XXXXXXXXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1892131542610194443/c:line.svg)

**Related Topics**
[spacex](/topic/spacex)
[mars](/topic/mars)
[elon musk](/topic/elon-musk)

[Post Link](https://x.com/elonmusk/status/1892131542610194443)