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What is the orbital speed of Sedna?
Its speed will vary greatly as its orbit is highly eccentric. It will be slower when further out from the sun on its 11,000 year orbit. Its average speed is around 1.04 km/s.
How far is sedna from the sun in Astronomical Units?
Sedna's average distance from the sun is about 86 Astronomical Units.
Does Sedna also orbit around other dwarf planets?
No. Sedna orbits the sun.
Is sedna a tenth planet from the sun?
no
What is sedna and how can be the scientist prove that sedna is a new planet or just the moon of Pluto?
Sedna is a dwarf planet. It is to far away to be one of plutos moons and is proved to orbit the sun
How many km is the sun big?
The sun is about 15,000 km big
Which is further sedna or heliosphere?
The heliosphere starts right here (or, you might say, at the Sun). Sedna is much further out. However, the heliosphere extends far out beyond Pluto. So the outer boundary of the heliosphere can be beyond Sedna. Sedna has an orbit that is very "eccentric" (highly elliptical). It's distance from the Sun varies greatly as it orbits. So, whether Sedna is inside or outside of the heliosphere changes with time.
How many minutes does it take light to travel from the sun to sedna?
Sedna, a "dwarf planet" far beyond the orbit of Neptune, has a highly elliptical orbit with a perihelion of 76AU, or about 631 light-minutes from the Sun, and an aphelion of 975 AU, or about 8,093 light-minutes or 5.6 light-DAYS.
What is the diameter of Sedna?
Mass of Sedna. = (π/6) * d^3 ρ. Mass of astronaut m = 700 /9.8 Kg. Force or weight on Sedan's surface = G (π/6) * d^3 ρ.*m / d ^2 = G (π/6) * d ρ.* m --------------------------------------… G = 6.673 x 10^ -11, d = 1.7e+6, ρ = *2100 --------------------------------------… F = 8.91 N.
What gases make up Sedna's atmosphere?
It is believed that Sedna, a distant dwarf planet in our solar system, does not have a significant atmosphere due to its extreme distance from the sun. Therefore, it is unlikely to have any gases that make up an atmosphere similar to that of planets closer to the sun.
Is sedna smaller than earth?
Sedna is thought to be less than 1600 km across, which would make it very much smaller than the Earth. We do not have really good dimensions yet.
How many km from earth to sun?
149.6 million km
