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Physics
Roger Wood's user avatar
Roger Wood's user avatar
Roger Wood's user avatar
Roger Wood
  • Member for 4 years
  • Last seen more than a month ago
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question
23
Is it possible that antimatter has positive inertial mass but negative gravitational mass? [duplicate]
Oct 27, 2020
answer
18
If I live on a planet that is heavy enough, would the CMB get blue shifted to be in the visible spectrum?
Mar 26, 2021
question
18
Is the amplitude of the Cosmic Microwave Background (CMB) correctly predicted or just its spectral shape?
Mar 27, 2021
question
8
Where is the 2.05 MJ input energy measured? (referring to the recent experiment at the National Ignition Facility (NIF))
Dec 17, 2022
answer
8
If I pull a metal bar for long enough with a constant small force, will it eventually break?
Apr 27, 2021
answer
8
Why is there no blackbody radiation in the high frequency section of Planck's curve?
Apr 4, 2021
answer
7
What happens to generated electricity if nobody uses it?
Dec 9, 2021
question
6
Approximation for Newton's formula for gravity as modified by the expansion of the universe?
Sep 11, 2022
answer
6
Is the blackbody curve of the cosmic microvave background maintained as the Universe expands?
Jan 11, 2022
question
6
Can one photon excite two widely-spaced atoms simultaneously?
Jan 30, 2022
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50
Is there a better explanation of this picture showing the very distant star "Earendel"?
31
Does the tape recorder on Voyager-1 still work?
22
Do the axes of rotation of most stars in the Milky Way align reasonably closely with the axis of galactic rotation?
20
Earendel galaxy, 12.9 billion light-years and the human eye?
19
Could an electromagnet be used to raise the apogee of a satellite orbiting Earth?