WebJan 28, 2024 · The Sun's photosphere is, by mass, about 25% Select one: a. oxygen. b. carbon. c. helium. d. hydrogen. - 1284658 WebA star such as our Sun is about 73% hydrogen by mass and 25% helium. ... The cells just below the photosphere are only 1,000 km across and are responsible for the granulation seen on the surface of the Sun as in the image below. Credit: G. Scharmer (Swedish 1-m Solar Telescope, Royal Swedish Academy of Sciences) The Sun ...
Astronomy Midterm 2 Study Guide - CHAPTER 10 (Our Star: The Sun …
WebAnswer to Solved 1. Describe the following features of the. 1)The core of the Sun is from the center to 20–25% of the solar radius having density of up to 150 g/cm and a temperature … WebJun 9, 2024 · History of observing the sun. The sun lies at the heart of the solar system, where it is by far the largest object. It holds 99.8% of the solar system's mass and is roughly 109 times the diameter ... freezing crab
SOHO - NASA
WebDec 14, 2015 · The core is the only part of the sun that produces an appreciable amount of heat through fusion. In fact, 99% of the energy produced by the sun takes place within … WebJun 20, 2024 · The Sun provides a standard reference against which we compare the chemical abundances found anywhere else in the Universe. Nevertheless, there is not a … WebEntire Sun. 3.83 X 10^23 kW: Unit area of surface of Sun. 6.29 X 10^4 kW/m^2: Received at top of Earth's atmosphere. 0.136 W/cm^2 : Surface brightness of the Sun (photosphere): Compared to full Moon. 398,000 times : Compared to inner corona. 300,000 times: Compared to outer corona . 10^10 times: Compared to daytime sky on Pikes Peak. … fast and furious 9 greek subtitles