Today's Quiz Welcome to your Today's Quiz The day on which the Sun’s direct rays cross the celestial equator is called: Deselect Answer The Equinox The Solstice The Aphelion The Ecliptic Which of these objects is the farthest from the Sun? Deselect Answer Saturn The kuiper belt 90377 Sedna Pluto What makes a planet a dwarf planet? Deselect Answer Distance from the Sun Size and Shape Colour Smell Which is the name of a radio source that is very far from Earth? Deselect Answer Quasar Tracer Phaser Taser For how long did the first artificial satellite Sputnik 1 stay in Earth's orbit? Deselect Answer 6 months 3 months 3 years 1 year Who was the first to suggest the idea of an artificial satellite? Deselect Answer Galilio Galilei Johannes Kepler Sir Isaac Newton Leonardo da Vinci Who discovered the laws of planetary motion? Deselect Answer Kepler Newton Galileo Copernicus What is the scientific term used for the twinkling of stars? Deselect Answer Refraction Parallax Albedo Scintillation How much time does sun rays take to reach earth? Deselect Answer 9 minutes 9 seconds 8 seconds 8 minutes From which language did the word galaxy originate? Deselect Answer Greek Latin English Russian Please fill in the comment box below. Time is Up! Time's up Continue Reading Next Next post: Today’s Quiz – Stars Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ