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Why vega brighter than arthuros?
Vega appears brighter than Arcturus in the night sky because it is closer to Earth, being only about 25 light-years away compared to Arcturus which is around 37 light-years away. Additionally, Vega is a hotter and more luminous star compared to Arcturus, contributing to its perceived brightness.
What is Venus' radius as compared to the Earth's?
Venus has a radius of about 6,052 kilometers, which is about 95% of Earth's radius.
What is the solar radius of arcturus?
I don't know the solar radius, but all I know is the radius and that is 25.7 R. you. :)
How many times greater is the radius of earth compared to Venus?
The radius of Earth is about 0.95 times greater than the radius of Venus.
What is Europa's diameter compared to earth?
Europa: 1561 km radius Earth: 6371 km radius The diameter is twice the radius.
How big is ceris compared with earth?
Ceres has an average radius of about 470 kilometers; Earth's radius is about 6371 kilometers.
How hot is Arcturus?
The temperature of Arcturus is about 4,290 Kelvin
How big is Arcturus?
Arcturus is a red supergiant with a radius 25 times larger than our Sun. If our Sun was replaced by Arcturus it's outer edges would reach beyond Mars. See related link for a pictorial representation.
How from away from earth is the arcturus?
It is 36.66 light years away.
What is the radius of an astronomical unit compared to?
One Astronomical Unit (abbreviated AU) is the distance from the Sun to the Earth, which is 93 million miles. So the Earth's orbital radius 1 AU.
What is the circumference of Mars?
The equatorial radius 3,396.2 kilometers (2,110miles).The equatorial circumference of Mars is 21,339 kilometers (13,259 miles).Compared to Earth, the ratio is .533, i.e. the radius and circumference of Mars is about half the radius and circumference of Earth.
How is big is Saturn compared to Earth?
Saturn's radius is 9.4 x Earth's radius (equatoral) Saturn's mass is 95.2 x Earth's mass Saturn is 9.5 times further from the Sun than the earth is
