Alpha Ophiuchi is considered to have a stellar classification of A5 III, which makes it a "normal" giant, not a supergiant.
Rasalhague is the brightest star in the constellation Ophiuchus
the super giant stars are red
Hypergiant.
The star Betelgeuse is a supergiant.
Astronomer's call it a super giant star
The giant star
Rasalhague is the brightest star in the constellation Ophiuchus
the super giant stars are red
Hypergiant.
super giants are a very very big star
A Super Nova.
Hypergiant.
The star Betelgeuse is a supergiant.
super-giant star
one is big one is small
Stellar Nebula - Average Star- Red Giant - Planetary Nebula - White Dwarf Stellar Nebula - Massive Star - Red Super Giant - Super Nova- Neutron Star Stellar Nebula - Massive star - Red Super Giant -Super Nova - Black Hole
sirius