Answer (1 of 5): It depends on the source and the craftworld. The size of a moon to a small planet is often thrown around, but I cannot think of any direct mention. Supposedly, Battlefleet Gothic gave them a gravity well similar to a moon, as far as I’m aware that’s the only official indication o
What are some horrors of space in Warhammer 40k? - Quora
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In most of the Warhammer content, I've been exposed to, the Eldar
Did the Eldar purposefully create Slaanesh? - Quora
Many Eldar left the Aeldari Empire via Craftworld vessels before
How effective is an Eldar Craftworld in standard naval combat? - Quora
How large is an Eldar Craftworld? - Quora
Why is the Chaos faction in Warhammer 40,000 not as well-liked as
How large is an Eldar Craftworld? - Quora
Is trusting the Eldar ever a bad idea for humans in Warhammer 40k