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'Mathematically perfect' star system discovered 105 light-years from Earth may still be in its infancy. Could that change its prospects for life?Tucked away in the constellation Coma Berenices just 105 light-years from Earth ... the Hertzsprung-Russell diagram — a tried-and-true chart that traces a star's age through its luminosity ...
A European space telescope launched to explore the dark universe has released a trove of new data on distant galaxies.
Distances between the Earth and other stars and galaxies are measured in light years (ly). Remember a light year is a unit of distance, not a unit of time. 1 light year is the distance travelled ...
To get around this problem, scientists use the light year as the unit of astronomical distance. A light year is the distance travelled by light in one year. So, for example: It takes light from ...
The telescope aims to eventually chart one-third of the sky during its mission, capturing galaxies and stars. Scientists hope ...
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