| Interstellar gas (5) |  |
| Interstellar space (14) | |
of which was to investigate the scattering of pulsars--the cores of dead stars--by interstellar gas.
The wavelengths that make Sagittarius A*visible are scattered by interstellar gas along the line of sight in the same way that light is scattered by fog On earth.
The theory and observations allow us to make statements about the interstellar gas responsible for the scattering
and his colleagues directly confirm these indirect inferences about the size of Sagittarius A*they were also able to provide new information about fluctuations in the interstellar gas that cause scattering.
and is shrouded by thick clouds of interstellar gas and dust. Circinus X-1 is also the source of a surprisingly powerful jet of high-energy particles. t really hard to get accurate distance measurements in astronomy
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