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Is Capella bigger than the Sun?
This star shares a spectral type – type G – with our sun. In fact, Capella is the biggest and brightest yellow star in our sky. It’s much bigger and brighter than our sun in absolute terms, and, of course, much farther away at about 42 light-years.
What is Capella star?
the Goat Star
Capella is sometimes called the Goat Star because its name is derived from the diminutive of the Latin capra, meaning “female goat,” and means “the little goat.”
What is the absolute magnitude of the Capella star?
0.08
Capella/Magnitude
Capella lies in the constellation of Auriga, 41 light-years from Earth. The star has an apparent magnitude of 0.08 and an absolute magnitude of 0.4. Image: This sky map shows the location of Capella, a bright star also known as the “Goat Star,” in the constellation Auriga, the Charioteer. [See our facts about Capella.]
Does Capella have a strong gravitational pull?
Capella Aa is the cooler and more luminous of the two with spectral class K0III; it is 78.7 ± 4.2 times the Sun’s luminosity and 11.98 ± 0.57 times its radius….Capella.
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Luminosity (bolometric) | 72.7 ± 3.6 L ☉ |
| Surface gravity (log g) | 2.941 ± 0.032 cgs |
| Temperature | 5,730 ± 60 K |
How many miles will light from Capella travel on its way to Earth?
This star has been measured to be 42.9 light years from the Earth. In other words, the Capella-light you see the next clear night left the star almost 43 years ago (in 1975) and spanned 248.8 TRILLION miles (measured at the distance light travels in a second, about 186,000 miles).
How far is the star Capella from Earth?
42.92 light years
Capella/Distance to Earth
How far away is the star Capella?
How many hours does it take light to travel from the Sun to Neptune?
4.15 hours
The time it takes for light to reach planets in our Solar System (not the Milky Way, which is our galaxy) varies from about 3 minutes for Mercury, to about 4.15 hours for Neptune.