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 …

Dec 20, 2025 · 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 …

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.

May 3, 2025 · A star is a luminous sphere of plasma held together by gravity. It generates energy through nuclear fusion in its core — a process in which lighter atomic nuclei (typically …

May 8, 2025 · How does a star work? How do they form, live, and eventually die? Learn more about these distant objects and their major importance in the universe.

The meaning of STAR is a natural luminous body visible in the sky especially at night. How to use star in a sentence.

Jun 3, 2025 · Within each system, the star sits at the centre, providing heat and light that shapes and characterises the planets and other bodies in orbit around it. That light may even be the …

Nov 20, 2025 · In this artist’s rendition, the newly discovered planet is shown as a hot, rocky, geologically-active world glowing in the deep red light of its nearby parent star, the M dwarf …

Dec 20, 2025 · 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 …

2 days ago · Once a star reaches the main-sequence stage, it begins to fuse hydrogen into helium in its core, releasing energy in the process. This stage is the longest in a star’s life …