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Physics
Polaris5744's user avatar
Polaris5744's user avatar
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Polaris5744
  • Member for 3 months
  • Last seen this week
  • Somewhere in the universe
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About

I am a nerd, I like doing things related to math and astronomy.

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Top posts
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question
10
Age of a dark energy dominated universe
Jun 12
question
6
Why Cepheids have Period Luminosity relation?
Jul 2
question
4
Why can photon be treated like gas?
Jun 7
question
3
Can a non-inertial frame be viewed as an inertial frame?
Jul 24
question
2
Negative Horizon distance
Jun 11
answer
2
What changes the velocity perpendicular to radius in an elliptical orbit?
Jun 11
question
1
Why is the First Law of Thermodynamic related to Fluid Equation?
Jun 6
question
1
How to understand critical density?
Jun 7
question
1
Age of universe vs Hubble time in Milne universe
Jun 9
question
0
R-W Metric and null geodesic path of photon
Jun 6
Top network posts
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9
Divergence of light rays - parallel approximation
8
From which notable Europa's surface features could be possible to observe Jupiter eclipsing the sun?