Adam Crowl, Module Lead for fuel and fuel Acquisition for Project Icarus, investigates the pros and cons of various fusion fuels required to accelerate an interstellar vehicle to a nearby star.
As the black hole devours nearby stars, some in-falling matter escapes as hot plasma.
Notice the two nearby stars, Rigel Kentaurus and Hadar.
This nebula is a bubble, and it's a bubble because intense blasts of stellar wind and radiation for a nearby star have cut through the dust and hollowed out the middle.
The glow may be caused by light reflected from nearby stars.
Astronomers detected a bright fluorescent signal, caused by radiation from the nearby star being absorbed by methane and released as light.
