Reply to post: Gravity well problem

PACK YOUR BAGS! Boffins spot Earth-size planet most likeliest yet to harbor alien life

Paul Crawford Silver badge

Gravity well problem

While it is a pointless technicality given we can't get there in any foreseeable time or technology, it is worth a moment to consider that at 7 times the Earth's mass you could not escape its gravity well using chemical rocket engines.

But if you made it there in the 1st place you would be using some nuclear system or something we have not imagined (or maybe just considered possible) yet, so a technicality really.

For more on chemical engine limits:

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