A star is a massive, luminous sphere of plasma held together by gravity. The nearest star to Earth is the Sun, which is the source of most of the energy on the planet. Some other stars are visible from Earth during the night when they are not obscured by atmospheric phenomena, appearing as a multitude of fixed luminous points because of their immense distance.
All stories in Star
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How to spot shooting stars from the Geminid meteor shower this week
On the night of December 13 and the early morning of December 14, the Geminid meteor shower could delight skygazers with ...
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Spooky space: Blue ring nebula reveals the secrets of binary stars
In 2004, the Galaxy Evolution Explorer, an orbiting space telescope scanning distant groups of galaxies, found a bizarre ...
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Enjoy stargazing while you can, SpaceX Starlink is about to ruin it
I walk outside my rural Saskatchewan house before dawn and look up, expecting to have my breath taken away by the sheer number ...
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A dark and mysterious 'rogue planet' has been discovered — and it looks a lot like Earth
Most known planets orbit a star. These planets, including Earth, benefit from the star’s warmth and light. And it is the ...
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The red giant star Betelgeuse is closer than we thought — will its explosion affect earth?
Betelgeuse is one of the best-known stars in the night sky, as well as the easiest to find. New examinations of this ...
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Red giant star Betelgeuse dimmed because it ‘sneezed,’ astronomers explain
The dimming of Betelgeuse seen at the end of 2019 and the start of 2020 explained — the red giant star “sneezed.” Betelgeuse ...
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New research suggests stars don't collapse — they explode!!!
By conducting experimental research with matter 10 million times denser and 25 times denser than that found at the centre ...