Search results for "Helium-4" - New World Encyclopedia
From New World Encyclopedia
- In particle physics, a quark is one of the elementary (or fundamental) particles that are the building blocks of matter. Elementary particles ...22 KB (3,412 words) - 15:31, 7 December 2022
- Modern geologists and geophysicists consider the age of Earth to be around 4.54 billion years (4.54 9 years).1997. [http://pubs.usgs.gov/gip/geotime/age ...34 KB (5,149 words) - 06:44, 16 June 2023
- Jupiter is the fifth planet from the Sun and the largest in the Solar System. Jupiter and the other gas giants—Saturn, Uranus, and Neptune—are ...33 KB (5,016 words) - 16:30, 14 May 2024
- Superconductivity, discovered in 1911 by Heike Kamerlingh Onnes, is a phenomenon occurring in certain materials at extremely low temperatures ...21 KB (3,041 words) - 23:46, 26 February 2023
- 1 (one) is a number, numeral, and the glyph that represents the number. It represents a single entity and is commonly regarded as the fundamental ...16 KB (2,188 words) - 06:29, 13 June 2023
- A magnetosphere is a dynamically varying tear-drop shaped region of plasma comprising magnetic fields and charged particles surrounding a magnetized ...23 KB (3,695 words) - 05:21, 5 November 2022
- The Sun is the star at the center of the Earth's solar system. The Earth and other matter (including other planets, asteroids, comets, ...52 KB (7,953 words) - 22:23, 26 February 2023
- Neptune is the eighth and farthest planet from the Sun in our solar system. It is the fourth largest planet by diameter and the third largest ...30 KB (4,444 words) - 16:20, 11 November 2022
- In nuclear physics, beta decay is a type of radioactive decay involving the emission of beta particles. Beta particles are high-energy, high ...10 KB (1,458 words) - 17:45, 29 September 2023
- A covalent bond is a type of chemical bond characterized by the sharing of a pair of electrons between two atoms. In general, a chemical bond ...15 KB (2,401 words) - 06:13, 11 January 2024
- The Kelvin scale is a thermodynamic (absolute) temperature scale. The zero position on this scale is known as absolute zero, which is defined ...15 KB (2,316 words) - 17:20, 5 October 2022
- as a helium white dwarf composed chiefly of helium-4 nuclei. Owing to the time this process takes, it is not thought to be the origin of observed ...72 KB (10,792 words) - 18:14, 4 May 2023
- An aerogel is a low-density solid-state material derived from a gel in which the liquid component of the gel has been replaced with gas. The ...18 KB (2,574 words) - 05:49, 16 June 2023
- Electronegativity is one of the fundamental concepts for an understanding of chemical bonding. The first modern definition was suggested by Linus ...16 KB (2,171 words) - 15:58, 13 February 2024
- A star is a massive, luminous ball of plasma that is held together by its own gravity. The nearest star to Earth is the Sun, which is the source ...80 KB (12,078 words) - 15:50, 27 April 2023
- Carlsbad Caverns National Park is a United States National Park located in the southeastern corner of New Mexico near the city of Carlsbad, where ...19 KB (2,927 words) - 15:25, 27 November 2023
- Curium (chemical symbol Cm, atomic number 96) is a radioactive, metallic, transuranic element "Transuranic elements" are the chemical ...10 KB (1,354 words) - 06:46, 12 January 2024
- Californium (chemical symbol Cf, atomic number 98) is a chemical element in the periodic table. A radioactive transuranic element, ...11 KB (1,466 words) - 18:27, 25 November 2023
- The International Astronomical Union (IAU) defines "planet" as a celestial body that, within the solar system,[http://www.iau.org/news/press ...37 KB (5,416 words) - 07:49, 24 November 2022
- Uranus is the seventh planet from the Sun. It is the third largest by diameter and fourth largest by mass. Uranus is similar in composition to ...17 KB (2,530 words) - 13:36, 3 May 2023
