A) 8 minutes and 20 seconds B) 1 day C) 1 hour D) 30 minutes
A) Chemical reaction B) Nuclear fission C) Nuclear fusion D) Photosynthesis
A) Mars B) Mercury C) Earth D) Venus
A) Solar eclipse B) Light pollution C) Global warming D) Greenhouse effect
A) Corona B) Chromosphere C) Sunspots D) Photosphere
A) Mayans B) Ancient Egyptians C) Vikings D) Ancient Greeks
A) Nitrogen and Sulfur B) Oxygen and Carbon C) Iron and Nickel D) Hydrogen and Helium
A) Sun's meridian B) Solar zenith C) Celestial equator D) Solar axis
A) Solar eclipses B) UFO spots C) Satellite spots D) Sunspots |