CRUX

(kru̇ks)

(astronomy) A constellation having four principal bright stars which form the figure of a cross; right ascension 12 hours, declination 60°S. Abbreviated Cru. Also known as Cross; Southern Cross.

---

The Southern Cross in astronomy, the most celebrated of the constellations of the far south. The four principal bright stars of the group, α, γ, β and δ form the figure of a cross, giving the constellation its name (see illustration). The brightest star in Crux is Alpha Crucis at the foot of the cross, which has received the artificial name Acrux. This is a navigational star. See also Constellation; Cygnus.

Line pattern of the constellation Crux. The grid lines represent the coordinates of the sky. The apparent brightness, or magnitude, of the stars is shown by the sizes of dots, graded by appropriate numbers as indicated.

---

n

Definition: most important part
Antonyms: trivia

---

crux (plural cruces), a difficult or ambiguous passage in a literary work, upon which interpretation of the rest of the work depends.

A cross; a difficulty; a stumbling-block; a puzzle; e.g. crux criticorum, crux mathematicorum, crux medicorum, The puzzle of critics, mathematicians, physicians.

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
n. - kerne, afgørende punkt, gåde

Nederlands (Dutch)
essentie, kernprobleem

Français (French)
n. - point essentiel

Deutsch (German)
n. - Kern

Ελληνική (Greek)
n. - ουσία θέματος, καίριο/κύριο θέμα, καίριο ή δυσεπίλυτο πρόβλημα

Italiano (Italian)
essenza

Português (Portuguese)
n. - cruz (f), enigma (m), ponto (m) crucial

Русский (Russian)
решающий вопрос, крест, перепутье, загвоздка, Южный Крест

Español (Spanish)
n. - quid, punto crucial, lo esencial, enigma

Svenska (Swedish)
n. - krux, svårighet

中文（简体）(Chinese (Simplified))
十字架形, 难题, 关键

中文（繁體）(Chinese (Traditional))
n. - 十字架形, 難題, 關鍵

한국어 (Korean)
n. - 중요점, 난제

日本語 (Japanese)
n. - 最重要点, 難問

العربيه (Arabic)
‏(الاسم) صلب الموضوع, جوهره‏

עברית (Hebrew)
n. - ‮לב הבעייה, עיקר (הקושי)‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.

Optimus Crux