The Sun 0.0 / 5 ? AstronomyEarth, Moon and SunGCSEAQA Created by: eve_hooperCreated on: 14-03-17 12:25 What is the suns approximate diameter? 1.4 million km 1 of 9 What is the temperature of the suns photosphere? 5800k 2 of 9 What is the temperature of the corona? 2 million k 3 of 9 Give a brief description of how the suns energy is created Nuclear fission. 2 hydrogen atoms turn into a helium nuclei 4 of 9 How do astronomers observe the sun at different wavelengths? By using telescopes that only detect certain wavelengths or a HA filter which only lets certain wavelength through. 5 of 9 What is the suns rotational at the poles and equator? Poles:36 days. Equator: 25 days 6 of 9 Describe the appearance and nature of sunspots They are a darker area of the suns surface. They are around 3800 k and have an umbra (center) and penubra (outer) 7 of 9 Describe the structure and nature of solar wind It is a stream of charged particles (electrons, protons ions) that are emitted from the sun due to high temperatures and pressures 8 of 9 What are the benefits of observing the sun at different wavelengths? It highlights different features for example, flares, prominances and filaments. 9 of 9
Astronomy - Chapter 1 - Earth, Moon and Sun - SUN - EARTH - MOON INTERACTIONS 5.0 / 5 based on 4 ratings
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