Home > Asterism, Ephemeris Program, The Moon > 03/24/2015 – Ephemeris – The Moon will be passing in front of the Hyades tonight

03/24/2015 – Ephemeris – The Moon will be passing in front of the Hyades tonight

March 24, 2015

Ephemeris for Tuesday, March 24th.  The Sun will rise at 7:38.  It’ll be up for 12 hours and 21 minutes, setting at 8:00.   The Moon, 3 days before first quarter, will set at 1:16 tomorrow morning.

Tonight he Moon will be crossing in front of the Hyades star cluster, otherwise known as the face of the constellation Taurus the bull.  The Moon will make it about half way across by the time it sets.  The Moon is 2160 miles in diameter and moves about the same distance in an hour as it orbits the Earth.  The International Space Station and other satellites in low Earth orbit have to travel 17,500 miles an hour to stay in orbit.  But since the Earth’s gravity, or the gravitational force of any body diminishes with the square of the distance.  Double the distance and the gravitational force diminishes by a factor of four.  This inverse square law as it is known also works with the diminution of light with distance from its source.

Times are for the Traverse City/Interlochen area of Michigan.  They may be different for your location.

Addendum

Moon and the Hyades

The Moon is travelling in front of the Hyades at 10 p.m. March 24, 2015. Created using Stellarium.

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