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Bookmark or Share- What is a Star? (article) | Stars | Khan AcademyA star is a huge glowing ball of hot gas, mainly hydrogen and helium. The temperature is so high in its core that nuclear fusion occurs, producing energy. The outward pressure of gas heated by fusion is balanced by the inward pull of gravity, leaving the star in hydrostatic equilibrium.
- Stars - NASA ScienceAstronomers estimate that the universe could contain up to one septillion stars – that’s a one followed by 24 zeros. Our Milky Way alone contains more than 100 billion, including our most well-studied star, the Sun. Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements.
- Agency for Science, Technology and Research - WikipediaThe Agency for Science, Technology and Research ( A*STAR) is a statutory board under the Ministry of Trade and Industry of Singapore . The agency supports R&D that is aligned to areas of competitive advantage and national needs for Singapore. These span the four technology domains of Manufacturing, Trade and Connectivity, Human Health and ...
- What Is a Star and How Does It Work? - ThoughtCoStars are more than simply objects in the sky. They teach us about the workings of the universe, from the earliest stars to the current ones. People have long used star charts like this one to find their way around the sky at night. Stars are also useful navigational aids for sailors as well as stargazers. Carolyn Collins Petersen.
- Agency for Science, Technology and Research (A*STAR)Show All. Horizontal Technology Coordinating Offices. Biomedical Research Entities. Science and Engineering Research Entities. National Level Initatives & Programmes. Trending Stories. The Agency for Science, Technology and Research (A*STAR) drives mission-oriented research that advances scientific discovery and technological.
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