As rambunctious young» uns,
they undergo bursts of star formation that create hot blue orbs out of the simple elements hydrogen and helium.
Some are
undergoing a burst of star formation now, so many H II regions are seen in them.
Not exact matches
Astronomical sources detected in the submillimeter range are generally thought to be distant, dusty galaxies
undergoing a vigorous
burst of star formation.
Galaxies
undergoing such a
burst of star formation are called starburst galaxies and they can be the among the most luminous
of galaxies.
Some galaxies,
undergoing immense
bursts of star formation and subsequent supernovae, can exhibit tremendous outflows
of gas.