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12 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...
- Simple English
12 hours ago · Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight.
- BTC, XBT
- 10−8
- Bitcoins
- ₿, (Unicode: .mw-parser-output .monospaced{font-family:monospace,monospace}U+20BF ₿ BITCOIN SIGN)
12 hours ago · Sixteen faces expressing the human passions – colored engraving by J. Pass, 1821, after Charles Le Brun Part of a series on Emotions Affect Classification In animals Emotional intelligence Mood Regulation Interpersonal Dysregulation Valence Emotions Acceptance Admiration Affection Amusement Anger Angst Anguish Annoyance Anticipation Anxiety Apathy Arousal Awe Belongingness Boredom Confidence ...
12 hours ago · Terminology Origins An early use of the term in English was in 1898 by the French economist Charles Gide to describe the economic beliefs of the Italian economist Maffeo Pantaleoni, with the term néo-libéralisme previously existing in French; the term was later used by others, including the classical liberal economist Milton Friedman in his 1951 essay "Neo-Liberalism and its Prospects". In ...
12 hours ago · Bats are flying mammals of the order Chiroptera ( / kaɪˈrɒptərə / ). [a] With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most birds, flying with their very long spread-out digits covered with a thin membrane or patagium.
- Eukaryota
- Chiroptera, Blumenbach, 1779
12 hours ago · Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptoms begin one to four (typically two) days after exposure to the virus and last for about ...
12 hours ago · Indiana. Indiana ( / ˌɪndiˈænə / ⓘ IN-dee-AN-ə) [15] is a state in the Midwestern region of the United States. It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the south and southeast, and the Wabash River and Illinois to the west.
