Search results for "Helium-4" - New World Encyclopedia
From New World Encyclopedia
- An atom (Greek άτομον from ά: non and τομον: divisible) is a submicroscopic structure found in all ordinary matter. Originally the ...13 KB (2,062 words) - 06:25, 21 August 2023
- The Crab Nebula (catalog designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus. Located ...23 KB (3,450 words) - 06:15, 11 January 2024
- In particle physics, a lepton is one of the elementary (or fundamental) particles that are the building blocks of matter. Elementary particles ...8 KB (1,168 words) - 21:59, 25 October 2022
- Main sequence is the class name for stars that occupy a continuous distinctive band formed by plotting stellar color versus brightness for a ...39 KB (5,825 words) - 10:55, 9 March 2023
- Pyotr Leonidovich Kapitsa (Russian Пётр Леонидович Капица) (July 9, 1894 – April 8, 1984) was a Russian physicist who discovered ...9 KB (1,369 words) - 03:36, 7 December 2022
- Lawrencium (chemical symbol Lr, atomic number 103), once known as eka-lutetium, is a radioactive synthetic element in the periodic table. Its ...6 KB (798 words) - 17:58, 25 October 2022
- Sir James Chadwick, CH (October 20, 1891 – July 24, 1974) was an English physicist and Nobel laureate who is best known for discovering the ...12 KB (1,728 words) - 21:08, 20 March 2024
- Category:Public [[image:Edge_of_Space2.png|thumb|right|175px|Layers of Atmosphere (NOAA)]] The Earth's atmosphere is a layer of gases surrounding ...24 KB (3,540 words) - 17:34, 12 February 2024
- Natural gas in the broad sense is a gaseous material consisting primarily of methane and deriving from one of three main types of sources: deeply ...25 KB (3,786 words) - 04:20, 11 March 2023
- The gas constant (also known as the molar, universal, or ideal gas constant) is a physical constant that is featured in a number of fundamental ...9 KB (1,458 words) - 04:37, 18 April 2024
- A notable exception to this general trend is the helium-4 nucleus ... curve of binding energy. It also makes helium-4 the most common product ...39 KB (6,029 words) - 23:53, 16 November 2022
- Lev Davidovich Landau (January 22, 1908 – April 1, 1968) was a prominent Soviet physicist who made fundamental contributions to many areas ...7 KB (1,038 words) - 22:05, 25 October 2022
- Berkelium (chemical symbol Bk, atomic number 97) is a synthetic, radioactive chemical element, classified as an actinide. It was first synthesized ...7 KB (911 words) - 11:01, 28 September 2023
- Category:Public number=54 | symbol=Xe | name=xenon | left=iodine | right=cesium | above=Kr | below=Rn | color1=#c0ffff | color2=green ...13 KB (1,905 words) - 14:16, 20 May 2023
- Mendelevium (chemical symbol Md (formerly Mv), atomic number 101), also known as unnilunium (symbol Unu), is a synthetic element in the periodic ...6 KB (778 words) - 04:30, 9 November 2022
- Astrochemistry, representing an overlap of the disciplines of astronomy and chemistry, is the study of chemicals found in outer space, including ...7 KB (940 words) - 18:21, 19 August 2023
- Vapor pressure (or vapour pressure) is the pressure of a vapor in equilibrium with its non-vapor phases. Under appropriate conditions of temperature ...8 KB (1,238 words) - 14:35, 3 May 2023
- Atmospheric chemistry involves study of the chemistry of the atmospheres of Earth and other planets. It is a branch of atmospheric science and ...11 KB (1,481 words) - 06:25, 21 August 2023
- An airship or dirigible is a buoyant aircraft that can be steered and propelled through the air. It is classified as an aerostatic craft, to ...40 KB (6,108 words) - 07:11, 16 June 2023
- of Lithium-7 and a proton producing two Helium-4 nuclei. The temperature necessary for this reaction is just below the temperature necessary ...26 KB (3,884 words) - 04:37, 22 November 2023
