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 4, 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.

STAR will be unavailable from December 11, 2025 at 5:30 pm (HST), until December 13, 2025 around 12:00 PM (HST) as the UH begins the transition to a new and improved Student …

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.

2 days ago · In Star Wars: Fate of the Old Republic, step into the role of a Force user on a journey through a galaxy on the edge of rebirth at the end of the Old Republic. The brand-new epic …

2 days ago · Frank Cozzolino, an HGTV star known for appearances on shows like "Holmes on Homes" and "Holmes Family Rescue," has died. He was 56.

Jan 4, 2021 · It's easy enough to say what a star is: one of those bright pointy things that twinkle in the night sky. But the actual definition of a star is as rich and colorful as the stars themselves.

Dec 7, 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 …

Star formation happens in clouds of interstellar gas and dust called “nebulae”. These clouds are mostly molecular hydrogen, and are often referred to as HII regions.