надир

надир

The point on the celestial sphere that is diametrically opposite the zenith, so that the zenith, nadir and center of earth are in one straight line. It is always 90 degrees below the horizon.

0 0

التحسين

إضافة صورة

نوع المصطلح: اسم
المرادف (المرادفات)
مسرد المصطلحات
المجال / النطاق: علم الفلك
الفئة: المريخ
Company: NASA
المنتج:
الاختصار-المختصر:

المزيد

إضافة إلى My Glossary

لغات أخرى:

المزيد

ماذا ترغب أن تقول؟

انظر المصطلحات المشابهة

екінші ширек пен толған айдың аралық фазасы

علم الفلك; المريخ

The phase when more than half (but not all) of the planet's side facing earth is illuminated by the sun.

террақалыптасуы

علم الفلك; المريخ

Transforming a hostile environment into one able to sustain human life; this includes a source of oxygen, water, plant life, and correct air pressure and temperature.

айналу осі

علم الفلك; المريخ

The straight line, real or imaginary, passing through a rotating body and is the line about which that body rotates.

азимут

علم الفلك; المريخ

The distance in degrees along the horizon, westward from the south point of the horizon, to the place where a vertical circle through the star or other object intersects the ...

кері таралу

علم الفلك; المريخ

The deflection of particles or radiation by scattering processes through angles greater than 90 degrees with respect to the original direction of motion.