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Today Phil's explaining the stars and how they can be categorized using their spectra. Together with their distance, this provides a ...
Down here, on Earth, if you look up at the night sky, it seems like all the stars up there look the same. Or maybe at least similar.
On a dark clear night, you can see a sky full of stars. But what is a star? A star is a giant ball of hot, glowing gas. Stars are so ...
Observations made with ESO's Very Large Telescope (VLT) have revealed for the first time that a star, S2, orbiting the ...
This animation shows the orbit of the star S2 around the supermassive black hole at the heart of the Milky Way. At its closest ...
A brief introduction to stars and stellar evolution including what stars are, how they produce energy through nuclear fusion, and ...
Double stars are stars that appear to be near each other in the sky, but if they're gravitationally bound together we call them binary ...
Stars come in a wide range of sizes, but how do we calculate a star's size to determine which is the biggest? In this episode of ...
Observations made with ESO's Very Large Telescope (VLT) have revealed for the first time that a star, S2, orbiting the ...
One the important discoveries about stellar evolution came by looking at how stars of different types and ages are distributed ...
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