Month: July 2015
Why Do We Only See One Side Of The Moon?
A simple explanation on why we only see one side of the Moon from Earth.
Enjoy!
Only one side of the Moon is visible from Earth because the Moon rotates about its spin axis at the same rate that the Moon orbits the Earth, a situation known as synchronous rotation or tidal locking. The Moon is directly illuminated by the Sun, and the cyclically varying viewing conditions cause the lunar phases. The unilluminated portions of the Moon can sometimes be dimly seen as a result of earthshine, which is sunlight reflected off the surface of the Earth and onto the Moon. Since the Moon’s orbit is both somewhat elliptical, and inclined to its equatorial plane, librations allow up to 59% of the Moon’s surface to be viewed from Earth (but only half at any instant from any point).
25 Things You Didn’t Know About Dreams
John Green takes a look at some interesting facts about dreams.
Enjoy!
Have you ever smelled things in your dreams? That’s kind of rare, but maybe that’s why you still remember it. there’s been quite a bit of research into dreams, although we still don’t understand the process of dreaming. John Green tells us about some of the more interesting findings in the latest episode of The List Show from mental_floss.
The Beer Prayer
Our lager,
Which art in barrels,
Hollowed be thy drink.
I will be drunk,
At home as in the tavern.
Give us this day our foamy head,
And forgive us our spillages,
As we forgive those who spill against us.
And lead us not into incarceration,
But deliver us from hangovers.
For thine is the beer. The bitter and the lager
Forever and ever,
Barmen.
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