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2 July, 01:50

In your own words, explain red shift and blue shift. Use at least two complete sentences to write your answer.

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  1. 2 July, 02:06
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    Redshift and blueshift describe however lightweight shifts toward shorter or longer wavelengths as objects in house (such as stars or galaxies) move nearer or farther off from United States.

    The idea is vital to charting the universe's enlargement.

    Visible light could be a spectrum of colours, that is evident to anyone United Nations agency has checked out a rainbow.

    When AN object moves off from United States, the sunshine is shifted to the red finish of the spectrum, as its wavelengths get longer.

    If associate degree object moves nearer, the sunshine moves to the blue end of the spectrum, as its wavelengths get shorter.

    To think about this a lot of clearly, the eu house Agency suggests, imagine yourself taking note of a police siren because the automotive rushes by you on the road.

    "Everyone has detected the multiplied pitch of AN approaching police siren and also the sharp decrease in pitch because the siren passes by and recedes.

    The impact arises as a result of the sound waves hit the listener's ear nearer along because the supply approaches, and additional apart because it recedes," ESA wrote.

    Sound and light
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