... to those of the sun, but with one exception: every line appears at a slightly longer wavelength, shifted toward the red end of the spectrum. What conclusion can be drawn from this observation?
a) the star is moving rapidly toward earth
b) a cloud of dust surrounds the star and absorbs the light
c) the star is moving rapidly away from earth
d) the temperature of the star's surface is higher than that of the sun
a,b,c or d?
2007-03-01 16:22:38 · 3 answers · asked by expression_11 1 in Science & Mathematics ➔ Astronomy & Space
Look up 'Doppler shift.' Yes, you'll find the answer there.
2007-03-01 16:25:50 · answer #1 · answered by dukefenton 7 · 0⤊ 0⤋
What is the Doppler Shift, Alex?
http://en.wikipedia.org/wiki/Doppler_shift#Astronomy
2007-03-01 16:29:04 · answer #2 · answered by arbiter007 6 · 0⤊ 0⤋
even as conversing pertaining to to the atom as a quantum mechanical form, scientist are refering to the mechanism in which electrons replace their orbit around the nucleus. Electrons can truly orbit the nucleus at certain aspects, in any diverse case in accordance to the variety, they're going to breakdown. all people be conscious of that electrons do replace their orbit, so therefore even as they modify their orbit from one component to a particular, they do now no longer traverse any section imbetween, they're merely in a unmarried orbit and then with out word contained in the distinct orbit. it really is radical and time-honored referred to by skill of Niels Bohr.
2016-11-26 23:34:34 · answer #3 · answered by lukianov 4 · 0⤊ 0⤋