The 6h 20 min between low and high tide is caused by what? The 7 days...

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Physics

  1. The 6h 20 min between low and high tide is caused by what?
  2. The 7 days between very large to mild CHANGES in tides iscaused by what?
  3. We see very large tide changes when the moon is in what twophases?             Wesee mild tide changes when the moon is in what two phases?
  4. The unlit side of the moon ought to be totally black and beunseen in any phase. However, often it can be dimly seen. Why? Howdoes it get any light atall?                    

5. Nebulas were mysterious fuzzypatches of light in space seen in a dark sky. Today we know theseare four different things. List them.

6. Put these numbers in order, largestto smallest:   105, 1014 ,101 , 10-1 , 10-8,100

7. Put these distances in order: ly,megamile, pc, AU. How many km in 1 ly & 1 AU?

8. Put these 14 objects in rough sizeplace (largest to smallest) according to their actual sizes, not aswe see them: star (sun), major planet, comet head, meteor, galaxy,universe, a moon, asteroid, comet tail, solar system, local group,minor planet, space out to a nearby star, meteorite, an entireconstellation

9. What is the moon illusion and why is it called anillusion?

Answer & Explanation Solved by verified expert
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1 it takes 24 hours and 50 minutes for the earth to complete a lunar day reason for tides the tides formation is a result of interaction of both earth and moons gravitational fields where moon pulls ocean water towards it and earth tries to retain it back causing a deformation on a localised point Called a bulge this point serves as the origin of tide from here tides start to travel towards the shore time taken As total lunar day is 12hr 50 mins During this interval earth experiences two high and two low tides High tides occur every 12 hours    See Answer
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