Recent content by Astro021

  1. A

    Undergrad Sample math competition problems for practice

    Im just looking for someone to explain me some problems
  2. A

    High School Is 0.999... equal to 1?

    I want to see a proof why 0.999999... Is not equal 1 or why is it
  3. A

    High School Gravity Constant: How Calculated & How to Measure Planet Weight

    Hey I have a question and I’m sorry if some of you might find it too easy xD... How did people calculate or discover the gravity constant, and how do they know how much do planets weigh? Thanks for answers
  4. A

    New member from Slovenia interested in science

    Hey everyone. I am a young individual from slovenia who wants to get more into science. I am happy to be here and can't wait for our discussions