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11 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
A typical planetary nebula is roughly one light year across,...
- 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
11 hours ago · The Julian calendar is a solar calendar that was introduced by Julius Caesar in 45 BCE. It is also known as the Julian year or the Julian era. This calendar is based on the cycles of the sun and is divided into 12 months, with each month having approximately 30 or 31 days.
11 hours ago · The American Cancer Society reports a 2.2% drop in the cancer death rate between 2016 and 2017, the largest single-year decline in mortality for this disease ever recorded in the United States. [25] [26]
