dark matter
It does not emit detectable light like ordinary stars. This topic is part of Astronomy within Science & Nature. This page currently draws on 12 supporting questions, with answers and bonus facts available below.
dark matter trivia questions
Dark matter is inferred mainly from its gravitational effects on what?
Answer: Visible matter
Bonus fact: It does not emit detectable light like ordinary stars.
Dark matter appears to make up more mass in galaxies than what?
Answer: Visible matter
Bonus fact: Galaxy rotation and lensing indicate large unseen mass.
Which observation in galaxy clusters provides strong evidence for dark matter through bending of light?
Answer: Gravitational lensing
Bonus fact: Mass bends spacetime and distorts background images.
Why are Einstein rings useful to astronomers?
Answer: They help measure the mass of foreground galaxies or clusters
Bonus fact: The geometry of the lensing distortion depends on the distribution of mass, including dark matter.
The Coma Cluster is a large collection of what?
Answer: Galaxies
Bonus fact: The cluster contains thousands of galaxies and helped reveal evidence for dark matter.
The Coma Cluster lies in which constellation?
Answer: Coma Berenices
Bonus fact: The cluster contains thousands of galaxies and helped reveal evidence for dark matter.
Study of the Coma Cluster helped provide early evidence for what?
Answer: Dark matter
Bonus fact: The cluster contains thousands of galaxies and helped reveal evidence for dark matter.
Many dwarf galaxies near the Milky Way are what?
Answer: Satellite galaxies
Bonus fact: Many dwarf galaxies contain very little visible matter compared with the amount of dark matter inferred from their motions.
Why has supersymmetry attracted interest in particle physics?
Answer: It could help address the hierarchy problem and provide dark-matter candidates
Bonus fact: No supersymmetric partner particle has yet been confirmed experimentally.
What forms the filament-like structure of the cosmic web?
Answer: Galaxies and dark matter
Bonus fact: Galaxy clusters lie along filaments surrounding vast cosmic voids.
What invisible component largely shapes the cosmic web gravitationally?
Answer: Dark matter
Bonus fact: Galaxy clusters lie along filaments surrounding vast cosmic voids.
What is one reason dwarf galaxies matter to cosmology?
Answer: They test models of galaxy formation and dark matter
Bonus fact: The Milky Way is surrounded by many dwarf satellite galaxies.