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About how long does it take for the moon to make a complete orbit around the Earth and return to it's starting position? ---- days A relatively small natural body in space the revolves around a planet -------------The darkest part of a shadow --------------Name the four terrestrial planets --------------------------- Explain the difference between a Meteor, Meteroid and Meteorite --------------------------------------------------------------------------------------------------------- Name the four gas giants --------------------------Name the phases of Moon, Draw illustration of a Waxing crescent. ----------------------------- A round depression in the surface of a planet, moon, asteroid, or comet, caused by the impact of a meteoroid. ---------------------------Name the Astrologer who discovered the four largest Jovian moons ---------------------------Small, rocky solar system bodies, most of which are found orbiting the sun in a region between Mars and Jupiter ---------------------------Mercury or Venus, which one is hotter? --------------------Rank the planets from shortest to longest orbital periods --------------------Rank jupiter, mars, earth, and saturn by the most to least amount of moons --------------------Give 2 reasons why Pluto is not considered as a planet. ----------------------------------------- All planets orbit the Sun in the same direction (counterclockwise as viewed from above Earth's North Pole). True/False? --------------------Which planet gets so bright as to be seen in daylight at times? --------------------Which planet has a longer rotation period than its revolution around the Sun. --------------------The main constituent of the martian atmosphere is --------------------Name the Jovian planets --------------------Blue color of uranus and Neptune is caused by --------------------Name the moons of Jupiter --------------------Largest moon in the solar system --------------------What is unusual about Triton? -------------------------------Who discovered Uranus? -------------------------------The Great Red Spot is found in this planet -------------------------------Essentially, the Great Red Spot is -------------------------------Most of ------------ originate from Oort cloud or the kuiper belt Name the Galilean moons -------------------------------This planet’s surface experiences the greatest temperature variation of all the planets because it has no atmosphere to retain heat. -------------------------------About ----------- % of the Earth’s surface is covered by salt water oceans. Which one of the following causes seasons on Earth? 1. 2. 3. 4. Earth’s atmosphere Phases of Moon Earth’s axial tilt Earth’s magnetic field The reddish appearance of Mars surface is caused by ----------------------------------1. Carbon dioxide on the atmosphere 2. Thick clouds of sulfuric acid 3. Hydrogen and Helium gas 4. Iron Oxide This planet spins on it’s axis faster than any other planet ------------------------This planet is the least dense of all planets -----------------------------This planet is the coldest planet in the solar system -----------------------------This is the only dwarf planet located in the inner solar system -------------------------------This dwarf planet is the largest object in the Kuiper belt 1. 2. 3. 4. Ceres Haumea Makemake Pluto Earth’s axial tilt is ------ degrees Largest dwarf planet is 1. 2. 3. 4. Ceres Haumea Pluto Eris Answer Keys (Skipping some obvious one’s) 27 days Moon Umbra (Mercury, Venus, Earth, and Mars), Jupiter, Saturn, Uranus, or Neptune) For some planets, temperature correlates with distance from the Sun: the closer to the Sun, the hotter the planet. This is not always the case, because a planet's temperature also depends on its reflectivity and on the strength of its greenhouse effect (if any). For example, the greenhouse effect gives Venus a higher average temperature than Mercury, even though Venus is nearly twice as far from the Sun. Recall that the time it takes a planet to orbit the Sun is called its orbital period, and that Kepler's third law tells us that orbital period increases with distance from the Sun. That is why the ranking order for orbital period is the same as the ranking order for distance from the Sun. Jupiter has many moons as a consequence of its formation, in which moons formed in a disk of material surrounding it and its extended atmosphere at the time allowed it to capture numerous small bodies into orbit. Mars has two very small moons that it presumably captured at a time when it, too, had an extended atmosphere. Earth's single but surprisingly large moon is thought to have formed as a result of a giant impact. Mercury (and Venus) have no moons. Answer : Jupiter, Saturn, Mars, Earth 1.Both Pluto and Eris are smaller than any of the terrestrial planets. 2. Both Pluto and Eris travel in more elliptical orbits than any of the terrestrial or jovian planets. 3.Both Pluto and Eris are less massive than any of the terrestrial or jovian planets. They have not cleared it's orbit (not a dominant gravitational influence) All planets orbit the Sun in the same direction (counterclockwise as viewed from above Earth's North Pole). -- True Which planet gets so bright as to be seen in daylight at times? -- Venus Venus has a longer rotation period than revolution The main constituent of the martian atmosphere is Carbon Dioxide Jovian planets (gas giants) - Neptune, Uranus, Saturn, Jupiter Blue color of uranus and Neptune is caused by - Methane Triton orbits its planet backward. William Herschel was the discoverer of Uranus. Essentially, the Great Red Spot is a large cyclonic storm (hurricane). Most of comets originate from Oort cloud or the kuiper belt The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto This planet’s surface experiences the greatest temperature variation of all the planets because it has no atmosphere to retain heat. -- Mercury 71% of earth's surface is covered with salt water oceans The reddish appearance of Mars surface is caused by Iron Oxide This planet spins on it’s axis faster than any other planet - Jupiter This planet is the least dense of all planets -- Saturn This planet is the coldest planet in the solar system -- Uranus This is the only dwarf planet located in the inner solar system -- Ceres This dwarf planet is the largest object in the Kuiper belt -- Pluto Earth’s axial tilt is ------ degrees -- 23.5 Largest dwarf planet is Eris