Earth 4
Science brain teasers require understanding of the physical or biological world and the laws that govern it.
Where does Earth belong in the following astronomical series?
Uranus, Jupiter, Neptune, Mars, Saturn, Venus, Mercury
HintWhat's your sign?
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Answer
The series lists the planets in order of increasing orbit inclination, relative to the ecliptic. Earth belongs before Uranus.
Orbit Inclination (degrees)
Earth = 0.00
Uranus = 0.77
Jupiter = 1.30
Neptune = 1.77
Mars = 1.85
Saturn = 2.49
Venus = 3.39
Mercury = 7.00
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Comments
tpg76  
Sep 18, 2008
| That's only because the ecliptic is defined that way - referenced to Earth (0.0).
I think in this case the "hint" is not helpful, and perhaps misleading. (Unless I do not understand the meaning of "sign", which is possible.)
Thanks. |
markmonnin   
Sep 18, 2008
| Interesting trivia, but the hint didn't help me at all.  |
tommysmo 
Sep 19, 2008
| i had no chance on this one and the hint didn't help me. |
ebraham   
Oct 02, 2008
| The hint did not help me, did I just not get it the way you predicted? Overall an "Ok" teaser |
westbrook  
Dec 13, 2008
| How could anyone know that?(well,not me)  |
Ilite   
Jan 12, 2009
| Good puzzle, but the hint seemed more random than anything.May as well have put 'Merry Christmas!' in the hint. ;) |
bookworm91   
Feb 13, 2009
| For all of you privileged enough to be reading this comment, know that it is a record of my last words on this earth.
Thanks, cnmne, you made my head explode!
Seriously, though. That went way over my head, but it was interesting nonetheless  |
Paladin   
Apr 09, 2009
| I wonder if anyone (including the author) would know this without looking it up? |
rush2   
May 19, 2009
| great quiz  |
precious1026   
Apr 15, 2010
| You failed to provide All the information. A series can mean practically anything. A series of time, A series of place, which most of us thought you meant, A series of movement. Most people fear you, so no one would dare question you logic, mathematics or brilliance. Nice Teaser, as Usual. |
Ewok 
Oct 02, 2010
| The hint indeed did not help at all; the first thing I thought was astrology, and the signs associated with the planets. That was a dead end, as "Earth" in astrology is a type of sign, not a ruler of a sign. Even using it in the sense of which sign rises above the horizon of earth in what order doesn't help.
The hint could have been a great deal clearer, but an interesting piece of information nonetheless |
monkeybar   
Oct 10, 2010
| Hehe thought I'm good at astronomy but I failed this one. Didnt think of that inclination angle. I though they are mixed up based on their positions. Good and hard one.
 |
princess2007  
Mar 07, 2011
| im sorry but I didnt like this one. Not only was the hint useless it was also misleading. And orbit inclination??? Really?? I mean, how could anyone NOT working in NASA know this??But im sure a lot of people must have liked this. I just didnt. |
Marple  
Oct 19, 2012
| I didn't like it either. It was very difficult because there was a huge lack of information needed to solve the teaser. The hint was completely random! What's my sign????? What does that mean and how does it help?  |
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