Recent content by dcderek24
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Undergrad How can we see stars past 13.5 billion light years away?
okay. i understand that stars can 46 million light years away despite the universe only being 13.5 billion years old. The universe is expanding. However what i dont' understand is how can we see a star that is say 20 billion lights years away if it takes 20 billion light years for the light to...- dcderek24
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- Light Light years Stars Years
- Replies: 6
- Forum: Astronomy and Astrophysics
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Undergrad From physics how can we figure out how old the earth and the universe is?
i am a former creationist that is just learning about science. I am not trying to disprove anything i just want to learn. i was hid away from science all my life growing up in a fundamentalist household and church. anway i have learned about radiometric dating and various ways scientists can... -
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Undergrad Does evolution violate the second law of thermodynamics?
does evolution violate the second law. from my understanding the second law only applies in a closed system and the Earth is an open system with an energy output. (the sun) so therefore entropy is increasing and it doesn't violate the law correct or incorrect?- dcderek24
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- Evolution Law Second law Thermodynamics
- Replies: 18
- Forum: Thermodynamics
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High School Matter cannot be created nor destroyed
if matter cannont be created nor destroyed? everytime a baby is born that's not matter being created. now it may redistributed as someone said. if everything came from a single cell, wouldn't this violate the first law. isn't matter multiplying? does this not apply with biological organisms...- dcderek24
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- Matter
- Replies: 8
- Forum: Classical Physics
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Undergrad Was the Moon Ever Touching Earth Billions of Years Ago?
this a creationist question. i am not a creationist but a creationist friend asked me this question. didn't have the answer. the moon is moving away from us at a rate. billions of years ago at that same rate the moon would have been "touching us"? don't know the answer.. was the moon always...