star noun (OBJECT IN SPACE) Add to word list A2 [ C ] a very large ball of burning gas in space that is usually seen from the earth as a point of light in the sky at night

A star is a luminous spheroid of plasma held together by self-gravity. [1] The nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night; their immense distances …

Jan 11, 2026 · A star is any massive self-luminous celestial body of gas that shines by radiation derived from its internal energy sources. Of the tens of billions of trillions of stars in the …

STAR为英文单词，发音为英 [stɑː (r)]、美 [stɑːr]，具有名词、动词、形容词等词性。 作为名词时指恒星、明星或星形物，作形容词表示星形的或明星属性的，动词意为用星号标记或担任主角； …

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.

If a basketball star is, for example, trying to gain a high personal point total, he may take a shot himself when it would be better to pass the ball to a teammate, affecting the team's performance.

These large, swelling stars are known as red giants. But there are different ways a star’s life can end, and its fate depends on how massive the star is.

Dec 20, 2025 · The simplest way to describe a star is that it is a great ball of fire, but it is more complicated than that. A star is a giant ball of hydrogen turning into helium through nuclear …

Sep 26, 2022 · How are stars named? And what happens when they die? These star facts explain the science of the night sky.

Jan 11, 2026 · Star - Formation, Evolution, Lifecycle: Throughout the Milky Way Galaxy (and even near the Sun itself), astronomers have discovered stars that are well evolved or even …