Star record. May 2, 2025 · A star’s gas provides its fuel, and its mass determines how rapidly it runs through its supply, with lower-mass stars burning longer, dimmer, and cooler than very massive stars. The transition from quiet cosmic particles to radiant celestial bodies is a process as intricate as it is magnificent. Definition of star noun in Oxford Advanced Learner's Dictionary. A star is a luminous spheroid of plasma held together by self-gravity. Oct 13, 2023 · Have you ever gazed up at the night sky and wondered, " How do stars form?" The birth of a star is a captivating balance of gas, dust and energy. Star formation happens in clouds of interstellar gas and dust called “nebulae”. Read on to explore the steps and stages of star formation, illuminating the evolution that lights up the cosmos. Mar 20, 2019 · These large, swelling stars are known as red giants. [1] The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances from Earth make them appear as fixed points of light. As more gas accumulates at the center, it becomes denser and pressure increases. How to use star in a sentence. This causes it to heat up and begin to glow. The meaning of STAR is a natural luminous body visible in the sky especially at night. But there are different ways a star’s life can end, and its fate depends on how massive the star is. Aug 30, 2025 · A star is any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Of the tens of billions of trillions of stars in the observable universe, only a very small percentage are visible to the naked eye. . Where Do Stars Come From? Every star forms in a huge cloud of gas and dust. Over time, gravity causes the cloud to contract, drawing the gas closer and closer together. Jan 4, 2021 · The definition of a star is as rich and colorful as, well, the stars themselves. A star is a luminous spheroid of plasma held together by self-gravity. These clouds are mostly molecular hydrogen, and are often referred to as HII regions. lwc5 2sg ube anh mxthd ghybr6 fr2bc xbba lyzeg pohqn