Encyclopedia > Nadir

  Article Content

Nadir

In astronomy, Nadir refers to the point just below your feet. More precisely, it is the point on the sky with an altitude of -90 Degrees, or opposite to Zenith.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
435 BC

... BC - 5th century BC - 4th century BC Decades: 480s BC 470s BC 460s BC 450s BC 440s BC - 430s BC - 420s BC 410s BC 400s BC 390s BC 380s BC Years: 440 BC 439 BC 438 BC ...