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• Is Jupiter really bigger than Saturn?

  Asked by RealEyesRealizeRealLies | 21 responses

• In simple terms, why are scientists so convinced that most of the universe is made up of dark matter and dark energy?

  Asked by LostInParadise | 11 responses

• What's the latest on the future of the universe?

  Asked by wundayatta | 21 responses

• If the people of Flatland didn't know they lived in a flat land, would we know if our Universe is flat?

  Asked by ETpro | 11 responses

• How big is your average black hole?

  Asked by ETpro | 9 responses

• Why do planets orbit the way they do?

  Asked by pallen123 | 19 responses

• How many dimensions does space have?

  Asked by Pazza | 26 responses

• (For the science folk) Is this real? And, if so, what more can you tell me about it?

  Asked by Mama_Cakes | 26 responses

• What do you think that they'll find on Mars?

  Asked by Mama_Cakes | 23 responses

• (Most definitely not a science person here). Are we able to see the surface of other planets (besides Mars)

  Asked by Mama_Cakes | 14 responses

• What is your take on the "first cause" argument?

  Asked by DominicX | 38 responses

• Does the Universe have a centre?

  Asked by flutherother | 24 responses

• What happened 14 billion years ago?

  Asked by Strauss | 29 responses

• What do you think of Robert Lanza's biocentrism hypothesis?

  Asked by Jude | 41 responses

• How can I make my face not so shiny when wearing foundation?

  Asked by partyrock | 17 responses

• Does an "escape velocity" exist in this situation (see details)

  Asked by PhiNotPi | 16 responses

• What is the escape velocity for the star VY Canis Majoris?

  Asked by poisonedantidote | 9 responses

• Do non-creationist theories of the origin of the universe assume something came from nothing?

  Asked by DominicX | 62 responses

• What's the matter with matter? (Strange Universe Series -- 2011).

  Asked by ETpro | 3 responses

• Why when I travel at near light speed and return to Earth has more time passed there than for me?

  Asked by Imadethisupwithnoforethought | 28 responses

• Should nonexistence impede your freedom to take action?

  Asked by wundayatta | 7 responses

• How do we know the age of the universe is 13.7 billion years?

  Asked by krrazypassions | 10 responses

• Cosmology: Why do we think that the universe is expanding right now?

  Asked by krrazypassions | 16 responses

• Are all spiral shaped galaxies spiral because they have a huge blackhole at their centre?

  Asked by krrazypassions | 32 responses

• Do natural laws mutate?

  Asked by mattbrowne | 17 responses

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