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• Who was first to ask when our sun might exhaust itself?

  Asked by Ltryptophan from iPhone | 7 responses

• How big and powerful can we make a space telescope without having it turn into a black hole?

  Asked by RedDeerGuy1 | 36 responses

• Could you answer me about this excerpt I found on a book I read?

  Asked by luigirovatti | 10 responses

• Why was it such a big deal to take a picture of a black hole?

  Asked by Dutchess_III | 8 responses

• Do you think The Black Hole is still there?

  Asked by josie | 33 responses

• A star, that will go supernova, apparently, can become a black hole, or a neutron star; how does that work?

  Asked by rebbel | 7 responses

• Do Neil deGrasse Tyson and Stephen Hawking and others differ about the black hole?

  Asked by flo | 7 responses

• Are there any phenomena that we observe today that are as magical as a nuclear explosion, but are not readily understood?

  Asked by Ltryptophan | 15 responses

• The sun has collapsed, or is about to collapse, into a black hole, all sunlight will be / is now gone, and you have to keep the planet alive. How do you go about it?

  Asked by ragingloli | 15 responses

• Can anything escape from a Black Hole?

  Asked by blueiiznh | 9 responses

• How big is your average black hole?

  Asked by ETpro | 9 responses

• What happens to applications for work that are filed online?

  Asked by YARNLADY | 5 responses

• Has anyone ever thought of what black holes really are?

  Asked by Aaronanswer | 17 responses

• I'm aware of proposed examples of 'singularities', both physical and mathematical. Are there entities, either physical or mathematical , that are 'binarities' or triplarities' ?

  Asked by virtualist | 4 responses

• Are we inside the black hole being sucked out, or outside the black hole being sucked in?

  Asked by RealEyesRealizeRealLies | 18 responses

• What would happen if the Earth were to be struck by a tiny black hole?

  Asked by AstroChuck from iPhone | 66 responses

• What happens when an unstoppable object collides with an unmoveable object?

  Asked by aanuszek1 | 27 responses

• What do you think will cause the end of the world?

  Asked by generalspecific | 47 responses

• Is the term "Black Hole" a racist term?

  Asked by Knotmyday | 34 responses