4n bërthamë (bërthamë madje-madje)

4n bërthamë (bërthamë madje-madje)

Nuclei possessing equal and even numbers of neutrons and protons. 4N nuclei are formed in supernova envelopes at temperatures of at least 2 × 109 K and are very stable.

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เพิ่มภาพ

ส่วนหนึ่งของคำพูด: noun
คำเหมือน:
Blossary:
อุตสาหกรรม/ขอบเขต: Astronomy
Category: General astronomy
Company: Caltech
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เพิ่มสู่อภิธานศัพท์ของฉัน

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คำศัพท์ที่เกี่ยวข้อง

bërthamë

Geography; Physical geography

(1) Dense central portion of an atom that is composed of neutrons and protons. (2) Structure found in eukaryotic cells that contains the chromosomes.

bërthamë

Chemistry; General chemistry

The central part of an atom that contains the protons and neutrons. Plural nuclei.

bërthamë

Physics; General physics

The central, positively charged, dense portion of an atom.

bërthamë

Geography; Physical geography

two main associations in geography: In physical geography, the central interior of the earth. Thought to be an inner core, mostly solid under extreme temperature and pressure, and ...

bërthamë

Aerospace; Space flight

The central body of a comet.

vit julian

Astronomy; General astronomy

Exactly 365. 25 days, in which a century (100 years) is exactly 36525 days and in which 1900. 0 corresponds exactly to 1900 January 0. 5 (from the Julian-date system, which is ...

heliocentrik

Astronomy; General astronomy

Referring to the sun. A heliocentric orbit is one based on the sun as one of the two foci of the (elliptical) orbit (or as the center of a circular orbit); a heliocentric ...

datë juliane

Astronomy; General astronomy

The interval of time in days (and fraction of a day) since Greenwich noon on Jan. 1, 4713 BC. The JD is always half a day off from Universal Time, because the current definition ...

ekuinoks

Astronomy; General astronomy

Either of the two points (vernal, autumnal) on the celestial sphere where the ecliptic (which is the apparent path of the sun on the sky) intersects the celestial equator. Due to ...

shtrirje

Astronomy; General astronomy

Angular distance of a celestial object from the sun in the sky. In standard ephemerides, this is usually denoted by the Greek letter epsilon (or by the abbreviation "Elong. "). A ...

pjerrësi

Astronomy; General astronomy

One element of the astronomical coordinate system on the sky that is used by astronomers. Declination, which can be thought of as latitude on the earth projected onto the sky, is ...

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อุตสาหกรรม/ขอบเขต: Seafood Category: General seafood

salmon

A meaty fish with firm, flavorful flesh. High in protein, the meat is an excellent source of Omega-3 fatty acids. It can often be found on our fresh ...