WGU C894

What is planet Earth's diameter? - -nearly 13,000km What is our moon's diameter compared to Earth's? - -our moon is 1/4 size diameter of our Earth scientific notation - -system of recording very large or very small numbers using powers of 10 ex: 380,000=3.8 x 10⁵ planet - -non self-luminous body orbiting the Sun or another star that has strong enough gravity to compress it into a spheroidal shape and to have cleared its orbital zone of debris dwarf planet - -massive enough to be compress...

What causes sunspots? - -Magnetic fields breaking through the photosphere inhibit gas motion where the field is strong. What is spectroscopy? - -What we learn from analyzing how light interacts with matter. What does an absorption spectrum look like? - -Mostly a band of colors with notable dark lines interspaced throughout the colored band. What does an emission spectrum look like? - -Mostly dark with notable colored lines interspaced throughout the darkness. What's the difference between...

WGU C894 Unit 1 Intro to Astronomy, Exam Review Questions and answers, 100% Accurate. What is planet Earth's diameter? - -nearly 13,000km What is our moon's diameter compared to Earth's? - -our moon is 1/4 size diameter of our Earth scientific notation - -system of recording very large or very small numbers using powers of 10 ex: 380,000=3.8 x 10⁵ planet - -non self-luminous body orbiting the Sun or another star that has strong enough gravity to compress it into a spheroidal...