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1 day ago · For the purpose of measurement, the Sun's radius is considered to be the distance from its center to the edge of the photosphere, the apparent visible surface of the Sun. [41] By this measure, the Sun is a near-perfect sphere with an oblateness estimated at 9 millionths, [42] [43] [44] which means that its polar diameter differs from its equatorial diameter by only 10 kilometers (6.2 mi). [45]
Oct 4, 2024 · Under The Same Sun is a Registered Charity. All donations are deductible for income tax purposes in Canada and the USA. 100% of your donations go directly to programs in Tanzania. All administration costs are covered by a generous benefactor. Canadian Charitable #: 851599860 RR0001 | US: EIN 68-0680719. Crafted with
2 days ago · Sun, star around which Earth and the other components of the solar system revolve. It is the dominant body of the system, constituting more than 99 percent of its entire mass. The Sun is the source of an enormous amount of energy, a portion of which provides Earth with the light and heat necessary to support life.
4 days ago · The Sun is a main-sequence star, and, as such, generates its energy by nuclear fusion of hydrogen nuclei into helium. In its core, the Sun fuses 620 million metric tons of hydrogen and makes 616 million metric tons of helium each second. The fusion of lighter elements in stars releases energy and the mass that always accompanies it.
4 days ago · solar system, assemblage consisting of the Sun—an average star in the Milky Way Galaxy—and those bodies orbiting around it: 8 (formerly 9) planets with more than 210 known planetary satellites (moons); many asteroids, some with their own satellites; comets and other icy bodies; and vast reaches of highly tenuous gas and dust known as the interplanetary medium.
- The solar system comprises 8 planets, approximately 170 natural planetary satellites (moons), and countless asteroids, meteorites, and comets.
- There are eight planets in the solar system. The four inner terrestrial planets are Mercury, Venus, Earth, and Mars, all of which consist mainly of...
- The solar system is situated within the Orion-Cygnus Arm of the Milky Way Galaxy. Alpha Centauri, made up of the stars Proxima Centauri, Alpha Cent...
- Scientists have multiple theories that explain how the solar system formed. The favoured theory proposes that the solar system formed from a solar...
- Europa and Enceladus, moons of Jupiter and Saturn respectively, are ice-covered rocky objects that scientists think may harbour life in the water b...
Oct 9, 2024 · The ordinary solar spectrum is produced by the photosphere; during an eclipse the brilliant photosphere is blocked out by the Moon and three objects are visible: (1) a thin, pink ring around the edge of the Sun called the chromosphere, (2) a pearly, faint halo extending a great distance, known as the corona, and (3) pink clouds of gas called ...
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Oct 11, 2024 · The Sun contains almost ALL of the material in our solar system. 99% of it. All the planets, asteroids and comets add up to less than 1% of the total. The Sun is so far away that it takes light about 8 minutes and 20 seconds for it to get to us – and light is the fastest thing in the universe.
