[Info-vax] CRTL and RMS vs SSIO

[Lawrence D’Oliveiro]

On Friday, October 15, 2021 at 7:00:42 PM UTC+13, Phillip Helbig (undress to reply) wrote:
> It recedes to conserve angular momentum, which is necessary because the 
> Earth's rotation is slowing down because of the tides.

Ah, of course, yes.

>> Yes. And also the fact that the Moon is so large compared to the Earth. We = 
>> are really in a binary-planet system, though for some reason astronomers do= 
>> n't like that description ... 
> 
> That depends on the definition of planet.

A major body which orbits the Sun? if Terra is one such, then Luna must be one too.