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On the Cosmic Calendar all of recordedhistory occurred beginning when?December 30 around noonDecember 1December 25December 31 within the last minute of this last day of the year.December 31 around noonWhich of the following objects within our solar system is the smallest?What is a light-year?
The distance light travels in one year.On the Cosmic Calendar about when did the solar system begin to form?Which of the following statements does notuse the term light-yearin an appropriate way?A light-year is about 10 trillion kilometres.The Milky Way Galaxy is about 100,000 light-years in diameter.It's about 4 light-years from here to Alpha Centauri.It will take the Voyager spacecraft about 20,000 years to travel just 1 light-year.It will take me light-years to complete this homework assignment.Which of the following is largest?
size of a typical galaxy1 light-yeardistance to the nearest star (other than our Sun)Which of the following is closest to the Sun?On the Cosmic Calendar when did the big bang occur?
Mars, Venus, Jupiter, Saturn, Uranus, Neptune, PlutoMars, Jupiter, Saturn, Uranus, Neptune, PlutoVenus, Mars, Jupiter, Saturn, Uranus, Neptune, PlutoMars, Jupiter, Uranus, Saturn, Neptune, PlutoMars, Saturn, Jupiter, Uranus, Neptune, PlutoWhat is an Astronomical Unit (AU)?The average distance between the Sun and the Earth.150 million kilometres1.5 x 1011metres1.5 x 108kilometres (km).All of the aboveHow long does it take light from the Sun to get to Earth?several daysa few hoursa few minutesa few secondsa half hour
Which of the following has your "address" in the correct order?