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