Weba tiny moon whose gravity is so weak that one good throw from its surface could put a baseball into orbit. a collapsed star so dense that to duplicate its interior we would have … WebDefinition of the Photosphere. The photosphere may be viewed as the region of the Sun that is thick enough to produce substantial light, but thin enough to let it escape rapidly. The layers below the photosphere produce a lot of light but they are too thick to allow it to escape rapidly, and the layers above are thin enough to allow light to ...

Anatomy of the Sun NASA

WebMar 31, 2024 · Sunspots are areas that appear dark on the surface of the Sun. They appear dark because they are cooler than other parts of the Sun’s surface. Solar flares are a sudden explosion of energy caused by tangling, … WebPhotosphere This is the Sun's deepest layer, and the layer visible to human eyes directly from the Earth. It is also called the solar surface. Much of this layer is covered by … greek scholar costume

Sunspot - Wikipedia

WebSep 15, 2024 · The Sun, in X-ray wavelengths. Of all the billions and billions of stars in the Universe, only one small and fairly unremarkable star really matters to us: the star without which life would be very different on Earth -- our star, the Sun. Because of its proximity, the Sun is one of the most studied stars, but it has not yet revealed all its ... The photosphere is a star's outer shell from which light is radiated. The term itself is derived from Ancient Greek roots, φῶς, φωτός/phos, photos meaning "light" and σφαῖρα/sphaira meaning "sphere", in reference to it being a spherical surface that is perceived to emit light. It extends into a star's surface until the plasma becomes opaque, equivalent to an optical depth of approximate… WebSep 22, 2024 · In stars like the Sun the nuclear burning takes place through a three step process called the proton-proton or pp chain. In the first step two protons collide to produce deuterium, a positron, and a neutrino. In the second step a proton collides with the deuterium to produce a helium-3 nucleus and a gamma ray. In the third step two helium-3s collide to … greek scholars scientific revolution