Re: ZetaTalk and Spaceguard UK (D4)
David Tholen wrote:
>> Bill Nelson has offered corrections (below) for some of the math
>> used to place
>> Newton's Law F=M*A
>> Inverse Square F=M1*M2/r^2
>> on the same page with each other, using a REAL mass, the density
>> of granite, for the Earth and Moon.
> The "density of granite" is not a "REAL mass". Density is
> mass divided by volume.
Ah so! Then, using the given density and volume of the Earth and Moon
as computed by Eric George, we can compute the mass!
Eric George wrote:
> Earth is 1,083,157,900,000 km^3 in volume
> Moon is 21,998,936,949 km^3 in volume
> Earth density: 5.5170 g/cm^3
> Moon density: 3.3411 g/cm^3
> Earth: 5.9763e+24 kg ( 5.9763e+21 Metric Tons)
> Moon: 7.3508e+22 kg ( 7.3508e+19 Metric Tons)
Has Eric already DONE this? The 5.9763E that Magnus used, IS, perhaps,
the Mass! Alrightythen ...