Planets of this class are usually found in a star's habitable zone. They are
adaptable for colonization through the use of pressure domes and other
life support devices. They are typically 5,000 to 10,000 kilometers in diameter.
They have thin atmospheres. Small amounts of water are present.
Alpha Centauri 2 & 3
Alpha Taur 4
Altair 6
Antares 2 & 3
Argelius 3 & 4
Betelgeuse 2
Canopus 5
Mars (Sol 4)
Mudd
Procyon 4
Rigel 9
Sirius 4
Vega 7 & 8
Velara 3
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