The radius of the sun is 696,000 km.
Equatorial radius 6.955×108 m
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It depends on how you measure. The sun puts out solar wind, which travels into the interstellar medium. At some point, it is slowed down to an effective stop. This is known as the heliopause. BUT, it is not spherical. The closest edge is approximately
100 AU = 1.49598e10 km = 0.00158128588 lightyears
away from the sun. Pluto's farthest distance from the sun is
49 Au = 7.330302e9 km
so that can be considered a radius as well.
It all depends on your definition. Be sure to say what measure you are using.
F=GMm/R2
Where F is the force between the sun and the earth.
G is the Gravitational constant
M is the mass of the Sun
m is the mass of the Earth
R is the distance between the Sun and Earth
a=GM/R2
a is the gravitational acceleration due to the mass of the Sun at the Earth's orbital radius.
a=v2/R
v is the angular velocity of the Earth as it orbits the Sun.
v=2PiR/P
Pi is the constant Pi 3.14159....
P is the period of the Earths orbit 365.25 days
v2 =4(Pi)2R2/P2
a=4(Pi)2R/P2
GM/R2 =4(Pi)2R/P2
M=4(Pi)2R3/P2
Knowing the value of Pi, R, G and P then we can calculate the Mass of the Sun.
The Wikipedia lists its diameter as 1.392684×106 km, so the radius would be half this amount. About 700,000 km, or 700 million meters.
That's the equatorial diameter; the diameter from pole to pole is not much less.
Since the diameter of the sun is 100 times that of earth, that means the radius is about 50 earth diameters.
That's a constantly changing distance which, during the
course of one year, averages about 93 million miles.
The planet Mercury is the smallest of the 8 major planets and the closest to the Sun. It has a radius of 2439.7 km (about 1516 miles).
0.205 630
the sun's radius is and half a million bigger than the radius of the sun.
The radius of the Sun is approximates 695 500 kilometers.
The sun's radius
The radius of Betelgeuse is 1180 times the radius of our sun.
Its radius is estimated to be about 300 times the radius of the Sun.
The radius of the sun = 695,500 kilometers or 432,163.664 miles.
the sun's radius is and half a million bigger than the radius of the sun.
The radius of the Sun is approximates 695 500 kilometers.
The sun's radius
The radius of the sun = 695,500 kilometers or 432,163.664 miles.
The radius of Betelgeuse is 1180 times the radius of our sun.
You can use kilometers. Or you can compare it to the radius of our Sun, and say, for example, "This star has 600 times the diameter [or radius] of our Sun."
Its radius is estimated to be about 300 times the radius of the Sun.
Sirius has a mass 0.978 that of the Sun, and a radius 0.0084 times that of the Sun. No, actually Sirius A has a mass of 2.2 that of the Sun and a radius 1.711 times that of the Sun.
Sirius has a mass 0.978 that of the Sun, and a radius 0.0084 times that of the Sun. No, actually Sirius A has a mass of 2.2 that of the Sun and a radius 1.711 times that of the Sun.
1.39/2=0.695 The radius of the Sun is 695,000 kilometers.
The Sun does not become a black hole because its mass is not concentrated enough to overcome the pressure caused by nuclear fusion in its core. A black hole forms when a massive star collapses under its own gravity, leading to a singularity where the mass is so concentrated that not even light can escape its gravitational pull.