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The Sun is mostly hydrogen and helium. Its core temperature is 27 million degrees Fahrenheit. The Sun is about 4.6 billion years old. It's a G-type main-sequence star. Key takeaways sponsored by The ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. On a clear, moonless night, you might be able to see thousands of ...

For a star, its initial mass is everything. It determines how quickly it burns through its hydrogen and how it will evolve once it starts fusing heavier elements. It’s so well understood that ...

Although most potentially habitable worlds orbit red dwarf stars, we know larger and brighter stars can harbor life. One yellow dwarf star, for example, is known to have a planet teaming with life, ...

Astronomers have discovered the first pairs of white dwarf and main sequence stars -- 'dead' remnants and 'living' stars -- in young star clusters. This breakthrough offers new insights on an extreme ...

Stellar color is primarily determined by the star's surface temperature; hotter stars emit more blue light, while cooler stars emit more red light, mirroring the behavior of a propane flame. Stars are ...

Astronomers at the ESO (the European Southern Observatory) have announced an astonishingly unusual find: A pair of double stars, dubbed VFTS 352, roughly 160,000 light years away in the Tarantula ...

A new study has looked into the so-called "red sky paradox" and the puzzling observation that intelligent life has sprung up on Earth so early in the Stelliferous Era of the universe. Analyzing the ...