Tag Archives: moon

How Many “Official” Moons Does Jupiter Have?

Question: I am writing a piece for middle school students about the planets of our solar system and am trying to find an up-to-date figure for how many moons are officially recognized around Jupiter. I’ve seen figures from 23 to … Continue reading

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Why Does a Small Change in Height Cause the Full Moon to be Occulted by a Nearby Mountain?

Question: I cannot find an answer to this conundrum anywhere on the Web, and it’s not at all a function of the famous Moon Illusion.  Late last month (March), the full moon rose over a 7500-foot elevation ridgeline that’s located … Continue reading

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What is the Distance to the Moon and How is it Measured?

Question: What is the true distance of the moon from the surface of the earth, since VLT @ Paranal can shoot a high powered laser to measure the distance? Based on surface temperatures recorded by NASA, it appears to be … Continue reading

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Why Does the Full Moon Look Bright When Viewed From Earth But Dim When Observed From Space?

Question: Why does  the  Moon  look  quite  bright  from  Earth  when it is full,  but  quite  dim  and  faint  when  observed from space?  — Sam Answer: I think that this might be a “perspective” difference that you are seeing.  When … Continue reading

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Why Do High Tides Happen Both on the Side of the Earth Facing Toward and Away from the Moon?

Question: During new moon, moon is between earth and sun. The spring tide then occurs. The height of high tide is higher. But on right side of image why is water having high tide. As there is no force pulling … Continue reading

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Why Are Ocean Tides on Earth Larger During a Full Moon?

Question: If I am correct in assuming that the moon’s apparent waxing and waning are merely the effects of the amount of shadow it is in, and it is always the same size, why are the effects of a full … Continue reading

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The Relative Timing Between Solar and Lunar Eclipses

Question: I’m working on a thesis for the chronology of the last month of Jesus life. According to NASA, as best I can make out, there was a partial Lunar Eclipse about sunset 6-7PM in Israel the day Jesus died, … Continue reading

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Is the Motion of the Moon in the Sky Variable?

Question: Last night with the Super Moon/Eclipse the sky was clear and the moon (in the West?) seemed to move slowly,  if at all.  Tonight the moon was moving very fast (towards the East?) and seemed to be BELOW the … Continue reading

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What Caused the Bright Crater I Now See on the Moon?

Question: Sir Took a picture of the Moon a few days ago and in the lower right hand [corner] a crater was very bright. Was the Moon hit recently?  — Bill Answer: I am not aware of any recent collisions … Continue reading

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What if the Moon Moved Randomly in its Orbit?

Question: What will happen if the moon moves randomly?  — Ahmed Answer: Since the Earth’s Moon is an important gravitational influence on the Earth, we would certainly notice if it started to move randomly.  The most noticeable effect of random … Continue reading

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