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1 day ago · Sun. The Sun is the star at the center of the Solar System. It is a massive, nearly perfect sphere of hot plasma, [18] [19] heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
- 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
1 day ago · The universe is all of space and time [a] and their contents. [10] It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of energy and matter, and the structures they form, from sub-atomic particles to entire galactic filaments. Space and time, according to the prevailing ...
1 day ago · Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
1 day ago · Background Although commonly described as a tsunami, the titular wave in The Great Wave off Kanagawa by Hokusai is more likely an example of a large rogue wave.. Rogue waves are open-water phenomena, in which winds, currents, nonlinear phenomena such as solitons, and other circumstances cause a wave to briefly form that is far larger than the "average" large wave (the significant wave height ...
1 day ago · t. e. Hypertension, also known as high blood pressure, is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. [11] High blood pressure usually does not cause symptoms itself. [1] It is, however, a major risk factor for stroke, coronary artery disease, heart failure, atrial fibrillation, peripheral ...
1 day ago · After they get in the car to leave the convention, the device they got from Sara & Seth starts to make a sound and flashes indicating that they are returning. Hannah Montana: The Movie: During the credits, the cast dances to "Hoedown Throwdown". Monsters Vs. Aliens
1 day ago · The textile is a component of basic needs like food and shelter. Textiles are everywhere in our lives, from bath towels to space suits. Textiles help humans by comforting, protecting, and extending their lives. Textiles meet our clothing needs, keeping us warm in the winter and cool in the summer.
