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The light from Alkaid, the end star in the handle of the Big Dipper, has taken about 210 years to 1 ______ your eyes.

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people on earth would still see it 3 ______ about 210 years. 

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The light from some 4 ______ stars right now will not be seen on earth until thousands, or even millions, of years from now!

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It’s quite breathtaking, and it 5 ______ to the great mystery about the nature of light.

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But light waves stop only if they strike something, and their energy is transferred 6 ______ another form. 

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Take a look at the picture. What do you think this person is feeling?
Hints: sad ness, loneliness, depression, anxiety, stress, overreaction, motivation, desperation, concentration, happiness, calmness, gratefulness?