Gravitational Lensing

Source-derived questions

Questions extracted from the papers in this topic, excluding the curated questions above.

• How did X-ray and gravitational-lensing maps separate the location of ordinary matter from dark matter?
• How did astronomers detect a ring-shaped structure of dark matter using gravitational lensing?
• Why did gravitational contraction fail as an explanation for how long the Sun could keep shining?

Sources

• Dark matter ring detected in galaxy cluster collision
• First direct observation of dark matter
• Nobel Prize in Physics

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