Remnant of a supernova
64957
Remnant of a supernova
49627
What could explain the presence of Technetium in the spectral lines of stars?
111974
Strange modulation of radioactive decay rates with solar activity
33629
Why does the Sun's (or other stars') nuclear reaction not use up all its "fuel" immediately?
21173
Black hole formation as seen by a distant observer
120824
Black body radiation and spectra lines
71445
What causes a black-body radiation curve to be continuous?
44516
What is the displacement of an accelerated and relativistic object?
1063
Radial fall in a Newtonian gravitational field
97847
Direct observations of a black hole?
98458
Radiation emission and absorption
44794
Sublight Starship "passed" by FTL
59077
Travel duration from Earth to a star at 9.8 m/s² acceleration
17066
Light emission from the vicinity of a black hole
13221
How would normal matter behave under conditions found in the core of the sun?
129737
How do I achieve this kind of light star effect?
147647
Spacetime around a massive cylinder