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Milky Way is "on the beefier side"



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NASA performed a new measurement of the mass of the Milky Way using the Hubble and Gaia space telescopes. The new measurements not only show that our home galaxy is larger than many of their competitors, but also that the vast majority of that weight is invisible dark matter – and there are exciting secrets about what makes up those parts of the Milky Way we can not

"The new mass estimate puts our galaxy on the brighter side compared to other galaxies in the universe," reads a NASA blog post on research.

Star Weight

According to NASA's New Measurements The Milky Way weighs about 1.5 trillion star masses, which means it is 1.5 trillion times as heavy as the Earth's Sun.

The Milky Way has only about 200 billion stars ̵

1; and a black hole in the heart that is as heavy as about four million stars – which only makes up about 13 percent of the mass.

Dark Matter

This means that much of the mass of the Milky Way is something we can not see – probably a mysterious substance Physicis They call dark matter.

"Most of the mass is trapped in dark matter, an invisible and mysterious substance that acts like a scaffolding throughout the universe holding the stars in their galaxies," reads the NASA blog post.


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