Holes

A hole is an opening in or through a particular medium, usually a solid body. Holes occur through natural and artificial processes, and may be useful for various purposes, or may represent a problem needing to be addressed in many fields of engineering. Depending on the material and the placement, a hole may be an indentation in a surface, or may pass completely through that surface.

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Galactic collisions act as a 'cosmic delivery service' for hungry monster black holes

About Black Holes Being Round... Maybe Not

Cosmic Feast Unveiled: Two Supermassive Black Holes Discovered Dining Together

Massive fuel-hungry black holes feed off intergalactic gas

Black holes at galactic centers blast out 10 times more light than previously thought

Scientists Find One of the Most Massive Black Holes With 34 Billion Times The Mass of Our Sun

Could humans use black holes to time travel?

Holes in T Cells: Previously Unknown Function of Immune Cells Revealed

Two huge black holes are on the verge of colliding. When they do, the explosion will be incalculable

About 400 supermassive black holes, previously unidentified, discovered using data from Chandra catalog and Sloan survey

UGC 4211’s Pair of Supermassive Black Holes is Closest to Colliding Ever Seen

Supermassive Black Holes en Route to Cataclysmic Collision: Doomed Pair Closer Than Ever Observed

Two supermassive black holes, very close together, found by astronomers - CNN

Hungry black holes trapped in an intimate dance feast on leftovers from a galactic merger

Scientists find pair of black holes dining together in nearby galaxy merger

Not Black Holes: Astronomers May Need To Rethink How Gamma-Ray Bursts Are Formed

The Origins of Binary Black Holes May Be Hidden in Their Spins, Study Suggests

What Does it Take to Make Black Holes Collide?

It just got harder to question the existence of black holes

How gravitational waves can 'see inside' black holes