Home > Ephemeris Program, The Moon > 05/17/2016 – Ephemeris – Three heliocentrists memorialized on the Moon tonight

05/17/2016 – Ephemeris – Three heliocentrists memorialized on the Moon tonight

May 17, 2016

Ephemeris for Tuesday, May 17th.  Today the Sun will be up for 14 hours and 55 minutes, setting at 9:07.   The Moon, half way from first quarter to full, will set at 4:50 tomorrow morning.  Tomorrow the Sun will rise at 6:10.

Tonight the gibbous Moon boasts the uncovering of three craters from lunar night whose namesakes were pioneers in putting forth the heliocentric theory.  That is that the Earth and the other planets revolved about the Sun.  Out the longest, and making the biggest splash is the crater Copernicus, named for the Polish cleric whose book On the Revolution of the Heavenly Spheres gave a new meaning to the word revolution, that is upheaval.  The crater Kepler is about two-thirds the way from Copernicus and the terminator, named after the astronomer who discovered that the plants orbit the Sun in elliptical paths.   Finally just catching sunlight is Aristarchus who in the 4th century BC first proposed a heliocentric solar system.

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


Heliocentrists on the Moon

Three heliocentrists on the Moon at 10 p.m., May 17, 2016. Created using Virtual Moon Atlas.

  1. May 17, 2016 at 12:59 am

    Thanks for sharing, very nice site.

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