485 The Board Spot Stock Videos, 4K Footage and Video Clips

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Browse 485 the board spot videos and clips available to use in your projects, or start a new search to explore more footage and b-roll video clips.

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close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (m equals mercury, v equals venus etc.) with chalk. - the board spot stock videos & royalty-free footage
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Close-up of the hand of a middle-aged man plotting a graph to show the relative speed at which the planets in our galaxy travel around the sun relative to the distance of their orbits from the sun (M equals Mercury, V equals Venus etc.) with chalk.
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sequence showing an illustrational graph plotted on an old-fashioned blackboard of the speed that the planets in our galaxy orbit the sun relative to their distance from the sun (m means mercury, v means venus etc.), as caused by gravity. - the board spot stock videos & royalty-free footage
00:22
Sequence showing an illustrational graph plotted on an old-fashioned blackboard of the speed that the planets in our galaxy orbit the sun relative to their distance from the sun (M means Mercury, V means Venus etc.), as caused by gravity.
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a man points to a position on a blackboard with his little finger before drawing a sequence of small x-shapes in chalk in an undulating line to indicate how vera rubin showed that stars travel at roughly the same speed irregardless of orbit distances. - the board spot stock videos & royalty-free footage
00:14
A man points to a position on a blackboard with his little finger before drawing a sequence of small x-shapes in chalk in an undulating line to indicate how Vera Rubin showed that stars travel at roughly the same speed irregardless of orbit distances.
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