Joe is Vanguard's global chief economist and head of Vanguard Investment Strategy Group. He's also a member of the senior portfolio management team in Vanguard Fixed Income Group.
Apollo missions took about three days to reach the moon. But the quickest trip to the moon was the New Horizons probe, which zipped past the moon in just 8 hours 35 minutes on its way to Pluto. However, the spacecraft didn't even slow down or approach lunar orbit. Tidal forces.
It takes the moon 29.5 days to go through all phases, from full moon, back to full moon for example. Relative to the background stars and ignoring the earth position relative â¦ to our sun, the moon takes 27 days 7 hours and 43 minutes to orbit the earth-the sidereal orbit.