Question

Anybody has any useful info on DARK MATTER?

Answer 1

Hey Friend...... :-)

Here is your answer

ark matter is one of the most important — yet least understood — building blocks of our universe. This gravitationally inferred, but optically elusive type of matter is thought to account for 85 percent of the universe’s mass and is believed to form the underlying foundations upon which all galaxies are built. But in a study published March 28 in the journal Nature, a team of astronomers uncovered the first galaxy ever found to be lacking any significant amount of dark matter.

“We thought that every galaxy had dark matter and that dark matter is how a galaxy begins,” said lead author Pieter van Dokkum, an astrophysicist at Yale University, in a press release. “This invisible, mysterious substance is the most dominant aspect of any galaxy. So finding a galaxy without it is unexpected. It challenges the standard ideas of how we think galaxies work, and it shows that dark matter is real: it has its own separate existence apart from other components of galaxies.”

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Answer 2

Hey friend

The name dark matter refers to the fact that it does not appear to interact with observable electromagnetic radiation, such as light, and is thus invisible (or 'dark') to the entire electromagnetic spectrum, making it extremely difficult to detect using usual astronomical equipment.

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