Star - Wikipedia
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 …
Star | Definition, Light, Names, & Facts | Britannica
Jan 20, 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 …
Stars - NASA Science
May 2, 2025 · At the beginning of the end of a star’s life, its core runs out of hydrogen to convert into helium. The energy produced by fusion creates pressure inside the star that balances …
STAR Definition & Meaning - Merriam-Webster
The meaning of STAR is a natural luminous body visible in the sky especially at night. How to use star in a sentence.
You may be eligible for an Enhanced STAR exemption
Sep 2, 2025 · You may be eligible for an Enhanced STAR exemption If you received this letter (Form RP-425-MBE), our records indicate that you received the Basic STAR exemption in the …
100,000 Stars
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields. [12][13] It has a diameter of about 1,392,684 …
Stars—facts and information | National Geographic
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.