Although main-sequence Red dwarfs are the most common stars in the universe, there are 7 main types of stars in total. Here is some information about each type of known star in our universe. Below, is a …

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 observable universe, …

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.

Explore the mesmerizing world of stars, their life cycle from nebulae to black holes, different types like red giants and white dwarfs.

Dec 18, 2025 · Scientists call a star that is fusing hydrogen to helium in its core a main sequence star. Main sequence stars make up around 90% of the universe’s stellar population.

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 from Earth …

Oct 22, 2025 · Main Sequence: The protostar continues to collapse until nuclear fusion begins in its core, leading to the formation of a stable star. This stage is known as the main sequence, where the …

During December you can watch for some impressive shooting stars and spend some time with the “Demon Star,” which can’t decide how bright it wants to be. Bundle up, grab your curiosity, and head …

Star classification chart & guide. Learn about all the main star types and their characteristics, including life cycle, mass, size, luminosity, temperature.

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.