A nebula is
The origin of stars
The rest of dead stars
The place where stars live
About nebula, it is correct that
They are very dense
They are enormous
Both are correct
Nebulae are made up of dust, it is true that
Dust is responsible for emitting light
Dust scatters light
Red dust is less abundant than blue dust
Who illuminates the Orion Nebula?
Horsehead Nebula
The Trapezium stars
M78
What image is this?
Pleiades
Orion Nebula
Pillars of creation