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18 hours ago · Etymology The English word sun developed from Old English sunne. Cognates appear in other Germanic languages, including West Frisian sinne, Dutch zon, Low German Sünn, Standard German Sonne, Bavarian Sunna, Old Norse sunna, and Gothic sunnō. All these words stem from Proto-Germanic * sunnōn. This is ultimately related to the word for sun in other branches of the Indo-European language ...
- Simple English
Sun. The Sun, also known as Sol, is a star at the center of...
- Stellar Evolution
Schematic of stellar evolution. Stellar evolution starts...
- Planetary Nebula
X-ray/optical composite image of the Cat's Eye Nebula (NGC...
- Plasma
Plasma (from Ancient Greek πλάσμα (plásma) 'moldable...
- Solar System
The Solar System is the gravitationally bound system of the...
- Sungazing
Sungazing is the unsafe practice of looking directly at the...
- Talk
Sun is a featured article; it (or a previous version of it)...
- Incandescence
Hot metal work glows with visible light. This thermal...
- Black Dwarf
Diagram of stellar evolution, showing the various stages of...
- Simple English
18 hours ago · Japan portal. v. t. e. The first human inhabitants of the Japanese archipelago have been traced to the Paleolithic, around 38–39,000 years ago. [1] The Jōmon period, named after its cord-marked pottery, was followed by the Yayoi period in the first millennium BC when new inventions were introduced from Asia.
18 hours ago · The 1990s (often referred to as the "' 90s " or " Nineties ") was a decade that began on January 1, 1990, and ended on December 31, 1999. Known as the "post-Cold War decade", the 1990s are culturally imagined as the period from the Revolutions of 1989 until the September 11 attacks in 2001. [1] The dissolution of the Soviet Union marked the end ...
18 hours ago · The Great Library of Alexandria in Alexandria, Egypt, was one of the largest and most significant libraries of the ancient world. The library was part of a larger research institution called the Mouseion, which was dedicated to the Muses, the nine goddesses of the arts. [10] The idea of a universal library in Alexandria may have been proposed ...
18 hours ago · t. e. The British Broadcasting Corporation ( BBC) is a British public service broadcaster headquartered at Broadcasting House in London, England. Originally established in 1922 as the British Broadcasting Company, it evolved into its current state with its current name on New Year's Day 1927.
18 hours ago · Scott Carpenter, Gordon Cooper, John Glenn, Gus Grissom, Wally Schirra, Alan Shepard and Deke Slayton. The first group of astronauts selected by NASA were for Project Mercury in April 1959. All seven were military test pilots, a requirement specified by President Eisenhower to simplify the selection process.
18 hours ago · t. e. The history of Africa begins with the emergence of hominids, archaic humans and — around 300,000–250,000 years ago — anatomically modern humans ( Homo sapiens ), in East Africa, and continues unbroken into the present as a patchwork of diverse and politically developing nation states. [1]
