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Hindsight

Trivia brain teasers have some element of trivia in them, but they are not just pure trivia questions.

 

Puzzle ID:#31057
Fun:*** (2.81)
Difficulty:** (1.65)
Category:Trivia
Submitted By:dogboy*us****
Corrected By:TehIgnored

 

 

 



Two friends sat talking, when one said to the other:

"I love clear nights - they allow me to literally look at things past."

His friend, highly confused by this statement but feeling embarrassed, merely grunted his agreement. However, that night when he got home, he decided to research what his friend might have meant.

What did he find?



Answer

Even the nearest star, Proxima Centauri, is a long distance from earth. Proxima Centauri lays 4.2 lightyears away from earth. This means that if you look up and see Proxima Centauri, the light you are actually seeing was emitted from the star over four years earlier, and therefore in a sense you are looking into the past, as you are seeing a past image of the star.
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Comments

gwhschica*us*
Jun 13, 2006

Awesome teaser dogboy, it was too easy tho..lol =D
GebbieRoseAus*
Jun 13, 2006

Science teachers try to "wow" students with this fact. Enjoyed your teaser!
xxilove_ihatexxAus*
Jun 13, 2006

okayyy................
xxilove_ihatexxAus*
Jun 13, 2006

okayyy................
calmsaviorAus*
Jun 13, 2006

well actually this happens with ALL objects that are viewed. something you see that is about one foot away (like the computer monitor or device you are looking at) is about a billionth of a second delayed. not much, but still something.
PugLover101**
Jun 13, 2006

omg... first this was getting me like, what the heck? then when i looked at the answer i'm like, oh yeahhh... i remember learning that recently. i obviously don't remember things too well when needed, lol
patm*us
Jun 14, 2006

Easy, but a cool thought! Thanx.
zigthepigAen*
Jun 16, 2006

Awesome Snoopy! Love this one.. one my favourites.
geofreak2010*
Jun 18, 2006

The nearest star to the earth is the Sun.
gwhschica*us*
Jun 19, 2006

wow...that was kinda random, but not really...
geofreak2010*
Jun 20, 2006

Oh, sorry..I meant that the Sun was the closest star to the Earth, not Proxima Centauri.
sweetmamaAus*
Jun 20, 2006

Picky, picky, picky, these people, Oy! Well I don't remember learning that in school, so it threw me. So it is true....you do learn something new everyday. I love your teasers.
Unraveled*
Jun 25, 2006

This is kind of a know-it-or-you-don't teaser.
And if you don't know it, you learn something new.
kcheer2493us*
Jul 09, 2006

huh?



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