0
$\begingroup$

This question already has an answer here:

Simple question: I read that the axial tilt of Uranus is 97.77 degrees. I don't understand why it would be this instead of 82.23 degrees the other way. It seems like saying that the Earth's axial tilt is 157 degrees rather than 23, or something. can someone explain why Uranus's axial tilt is bigger than 90 degrees?

EDIT: this is not a question of how it came to be so tilted, I am sure that is answered elsewhere, but simply why it is accepted as being bigger than 90 degrees rather than less than 90 degrees the other way. it is the same for Venus.

$\endgroup$

marked as duplicate by user2449, Rob Jeffries, Mitch Goshorn, HDE 226868, Undo Mar 24 '15 at 17:48

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

  • $\begingroup$ I would like to point out that this is not about why or how it came to be so tilted, simply why it is written as 98 degrees rather than 82 degrees in the other direction $\endgroup$ – stanley dodds Mar 17 '15 at 7:04
  • $\begingroup$ This was not clear before your edit $\endgroup$ – user2449 Mar 17 '15 at 7:22
  • $\begingroup$ sorry about that hopefully it should be clearer now. $\endgroup$ – stanley dodds Mar 17 '15 at 7:29
3
$\begingroup$

I have found the answer. I just found that venus has an axial tilt of nearly 180 degrees, so I realised that the >90 degree tilts are due to the fact that they are the planets with retrograde rotation, which is equivalent to an 'upside down' (>90 degrees) counter clockwise, normal, rotation.

$\endgroup$

Not the answer you're looking for? Browse other questions tagged or ask your own question.