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Trivia Thread!

I can't believe I didnt know about this:
 
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The sun is approximately 4.6 billion years old. Astronomers predict the sun is halfway through its lifespan and will continue to fuse hydrogen to helium in its core for approximately another 5 billion years.

Every second, it fuses around 600 million tons of hydrogen into helium.
 
Every second, it fuses around 600 million tons of hydrogen into helium.
...and when the hydrogen fuel begins to run low...

upper left: the last perfect day
upper right: sun begins to swell, Earth will heat, shorelines will retreat
lower left: oceans will rapidly evaporate
lower right: as the Sun evolves toward a red giant it will fill most of the sky and may engulf the Earth.


from Carl Sagan's book, Cosmos, Chapter IX: The Lives of the Stars
Paintings by Adolf Schaller
 
Not that any member of the species Homo stupidens will be around to verify the predictions of Carl Sagan and his astronomer colleagues ...
 
The vernal equinox occurred approximately 12 hours and 55 minutes ago.

A solar equinox is a moment in time when the Sun crosses the Earth's equator, which is to say, appears directly above the equator, rather than north or south of the equator. On the day of the equinox, the Sun appears to rise "due east" and set "due west". This occurs twice each year, around 20 March and 23 September.

I'm sure there's nothing confusing about this :
 

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