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