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More ways to get Braingle...

Charon The Wealth

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#26784
Fun:*** (3)
Difficulty:** (1.96)
Category:Science
Submitted By:norcekrius****
Corrected By:4demo

 

 

 



Nora Shekrie paid a visit to her niece, Saffa Moore, at Watts-Amata U. One of the first things Nora noticed was a tastefully framed poster over Saffa's desk, apparently a long-range photo of some celestial rock.
"Aunt Nora, did you know they just discovered two more moons of Pluto last week?"
"I read about it, but I didn't realize they had posters out already."
"Oh, this is just a photo some astronomy buff in New Mexico took. He made posters, and he's selling them for $10 each on Uzz-Bay. He included a whole web page on the physical features, especially the impact craters. He says he's working on his PhD. at UNM, y'know, at the Flagstaff campus? That's where Clyde Tombaugh discovered Pluto in the first place."
"I thought Tombaugh was from Illinois."
"He grew up in Streator, but he worked at Flagstaff when he found Pluto."
"Ah. So, what's so great about these craters?"
"Well, there are these elliptical ones in the upper right, pretty much pointing in the same direction, like they're probably all the same age, from one big meteor storm. Then there are a few teardrop-shaped ones here and there, and my favorite is this pair, where two of them make a cute little heart right where the moon's little behind would be. Isn't it darling?"
"It sure is. But I really think your parents should have a talk with a few people."
"Because I'm so excited about astronomy?"
"Because you're not learning enough to know when you're being cheated."

How did Nora know?



Answer

"Saffa, this is a nice piece of graphic work, but it's fake. First and foremost, impact craters are round. Regardless of the angle or speed of impact, anything going that fast leaves a circular crater."
"No way!"
"Yes way! Try it with marbles or candy in a tray of flour, or a sandbox, whatever you like. That's why lunar craters are circular."
"But he's getting a PhD. in astronomy!"
"His web site says that, but I doubt it. The Lowell Observatory is in Flagstaff ... which is in Arizona, not New Mexico."
"But what about my $10?"
"I leave that as an exercise for the student."

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Comments

zonarita*us*
Nov 07, 2005

This is a great teaser. Well written and fun to read. Super job.
redraptor50*us*
Nov 07, 2005

Great job norcekri, very well done. Keep them coming. A lot of reading and some twists, liked this one
wizkid**
Nov 07, 2005

Awsome teaser. I was on track but not exactly.
lycanthropeAus*
Nov 08, 2005

Nice job with the obvious error (UNM in Flagstaff). It's what gave it away to me. Keep them coming though, it was well written and I do get stumped sometimes (Ask Redraptor50).
peppamintp*us*
Nov 09, 2005

I feel like I am back in school. I learn something new everyday. Good one.
bookworm91**
Nov 09, 2005

man! i cant believe i missed it!!!
i even went and looked at a map of the moon....haha well, that was a very good one.
BrieCheese*
Nov 11, 2005

Great teaser, keep them coming!
sweetime**
Nov 21, 2005

beautifully written.
i love it! great job!!
choptlivvaAus*
Dec 13, 2005

I love this one!!! Very clever!!
javajunkie*
Dec 13, 2005

i like it. the only reason i got it is because i was really into astronomy for a while.
benjam*ca*
Dec 31, 2005

This is a really great teaser, norcekri. Keep 'em coming and I'll be happy.
Brainy_1Aus*
Dec 31, 2005

Excellent! I really liked this! Good job and keep 'em coming!
Warrior_Poet
Jan 12, 2006

There is another obvious problem with the entire scenario. You said it was a photograph, an image developed using visible light. Now think about how much visible light is available at, say, Pluto. Almost all imaging of Pluto is done with other forms of radiation combined with astronomical observations of gravity wells.

This girl really shouldn't have been in college, but daddy was probably paying all her bills anyway, so what's 10 bucks to her?
froggyggAus*
Mar 27, 2006

Nora solves another one! I didn't catch the location error, but did catch the shape of the crater. Good teaser.
tansejay*
Oct 09, 2006

If they can see craters in Pluto's moon, something is wrong. Have any of you seen the best photographs of Pluto? Go do a search, the best was just one miserable dot. Soo....... you can see the crater and not the planet........



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