Our atmosphere changing (filters) the starlight being viewed from Earth. It is said that the sparkling (twinkling) of the stars is caused by the dust floating in our atmosphere.
scientists can tell the stars composition and temperature from its spectrum. Hope tht helps :]
The differences in spectrum are mainly due to: * Differences in temperature between the stars * Differences in chemical composition * Differences in relative movement (redshift / blueshift, due to the Doppler effect)
Most stars exhibit a continuous spectrum, which contains all wavelengths of light in a continuous distribution. This is often referred to as a blackbody spectrum due to its smooth curve.
scientists can tell the stars composition and temperature from its spectrum. Hope tht helps :]
Its elemental composition.
The main factor is the presence of water. If the sample is NOT fully dried of water it will cause a big 'spike' in the spectrum .
Orange stars have a K-type spectrum with a wide distribtion of brightness.
Stars can range from blue to red depending on temperature and mass, with yellow stars in the middle and white stars on the back end of the spectrum.
The chemical composition of the star atmosphere.
Doppler shift
What makes up the star or element.
spectrum and temperature