Yellow stars with surface temperatures of 5,200-6,000 Kelvin, including our Sun as the most familiar example. These stars have main sequence lifespans of 8-12 billion years and are considered prime candidates for supporting planetary systems with life.
The G-type classification comes from the Harvard system, with 'G' representing stars showing strong calcium H and K lines in their spectra. Our Sun is specifically classified as a G2V star, indicating it's in the middle of the G-type range and on the main sequence.
Try Another Word