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 …

2 days ago · Diphda, its brightest star, is near its lower right corner, roughly a third of the way up the sky. The star is at the end of its life, so it has puffed up to giant proportions.

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 …

Before the Vikings play the Cowboys on Sunday, check here for a Q& A with Minnesota Star Tribune reporters who cover the team.

3 days ago · 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.

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Dec 8, 2025 · Whether you're new to the STAR program or considering a switch to the STAR credit, review our resources for a complete overview.

5 days ago · The process continues for millions of years during the star's helium-burning phase, creating the nitrogen excess observed in GS 3073. The models, published in the Astrophysical …

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.