Black Hole
A black hole is an object with such a strong gravitational field that even light cannot escape from its surface.
A black hole may be formed when a massive object (very big object) undergoes uncontrolled contraction (collapse) because of the inward pull of its own gravity.
https://www.qries.com/What-is-the-black-hole-in-the-galaxy-Why-is-it-black/answer/Daneel-Yunus
daneelyunus 
Black holes are fascinating. Thanks for the article, great topic
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Most welcome, thanks for appreciation and reading my post
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Very interesting👍
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Thank you for appreciation and reading my post
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So bro…we are into non fiction this whole week ? 😄 Well I enjoy non fiction as much as fiction. 👍
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Thanks for appreciation and reading my post
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Truly informative post. Thanks for sharing.
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Most welcome, thanks for appreciation and reading my post
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🙂
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😊
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