Ie Found of Astronomy

Ie Found of Astronomy

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If our galaxy were an 18-wheeler, the smallest dwarf galaxies would be the size of pocket-size toy cars, and the largest giant ellipticals would be ... We know the stars in the outer parts of the galaxy are in orbit, so wo can use Newtona#39;s laws to find the mass. ... We could measure those changes in wavelength, use the Doppler formula to find the velocities, and plot a diagram showing the velocity of rotationanbsp;...

Title:Ie Found of Astronomy
Publisher: - 2002-05-01


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