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The Sun is 1.4 million kilometers (4.643 light-seconds) wide, about 109 times wider than Earth, or four times the Lunar distance, and contains 99.86% of all Solar System mass. The Sun is a G-type main-sequence star that makes up about 99.86% of the mass of the Solar System. [26]
Below, gravity tends to dominate the shape of most features, so that the Sun may often be described in terms of layers and horizontal features (like sunspots); above, dynamic forces dominate the shape of most features, so that the transition region itself is not a well-defined layer at a particular altitude.
Thus, the Sun occupies 0.00001% (1 part in 10 7) of the volume of a sphere with a radius the size of Earth's orbit, whereas Earth's volume is roughly 1 millionth (10 −6) that of the Sun. Jupiter, the largest planet, is 5.2 AU from the Sun and has a radius of 71,000 km (0.00047 AU; 44,000 mi), whereas the most distant planet, Neptune, is 30 AU ...
But what's more interesting is that many deem the other variant of the rising sun flag with a red disc and 16 rays coming from it controversial. They associate the flag with Japan's wartime ...
GJ 1214 is about one-fifth the radius of the Sun [16] with a surface temperature estimated to be 3,110 K (2,840 °C; 5,140 °F). [9] Its luminosity is only 0.35% that of the Sun. [ 9 ] The estimate for the stellar radius is 15% larger than predicted by theoretical models. [ 8 ]
A 30-minute television adaptation was created, originally broadcast on the PBS children's series WonderWorks in 1982. The adaptation differs from the story in that the sun only appears every nine years, and the ending is expanded: the children atone for their horrible act by giving Margot flowers they picked while the Sun was out. [2]
In the spectral class label, G2 indicates its surface temperature, of approximately 5770 K ( the UAI will accept in 2014 5772 K) and V indicates that the Sun, like most stars, is a main-sequence star, and thus generates its energy via fusing hydrogen into helium. In its core, the Sun fuses about 620 million metric tons of hydrogen each second.
On the other side of Uranus's orbit, the orientation of the poles towards the Sun is reversed. Each pole gets around 42 years of continuous sunlight, followed by 42 years of darkness. [74] Near the time of the equinoxes, the Sun faces the equator of Uranus, giving a period of day–night cycles similar to those seen on most of the other planets.