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Venus and Earth are called what? Why? Twins, because they are so close in size and distance. Mars is also known as the "______ planet" the RED planet Jupiter rotates faster than any other planet...so fast that it's day is only how many earth hours long? 10 How long would it take to get to Mars from earth? 10 months Venus spins in the opposite direction of 7 of the other planets. True or False? true Jupiter is how many times larger than the earth? 11 One day (complete rotation) for Venus is earths' ____ days. 243 days Jupiter has the biggest moon in the solar system. It's bigger than what 2 other planets, and what's the moon's name? Mercury and Jupiter and named Ganymede This planet has a thick layer of clouds that lets the sun's heat in but not out, so it is the HOTEST planet in our solar system. What's it's name? Venus What planet is called the "Morning Star" and why? Venus, because at certain times of the year (and day), it can be seen from earth. What planet is 4th from the sun? Mars How long does it take for Jupiter to orbit around the sun (for it's 1 year)? 12 Earth years What planet is 8th from the sun? Neptune What planet is 7th from the sun? Uranus What planet is 6th from the sun? Saturn What planet is 9th from the sun? Pluto While learning about Mars thru space probes, what is there strong evidence of having existed once upon the planet's surface and may still exist under it's outer layers?. Water because there are channels, valleys, and gullies on the planet's surface What planet is 3rd from the sun? Earth What are Mars' temperatures near it's poles? Near it's equator? as low as about -195 degrees F near the poles in the winter, and as low as about -195 degrees F at midday near the equator What planet is 2nd from the sun? Venus Mars' atmosphere is 100 times less dense than Earths', but yet dense enough to create what? enough to support a weather system that includes clouds and winds What planet is 5th from the sun? Jupiter What is Saturns' rings made of ? Rocks and Ice How many earth days makes one orbit around the sun (1 YEAR) on Mars? 687 Earth days How hot is Venus? 870 degrees F - hotest planet in solar system Olympus Mons is the biggest ________ in the solar system. volcano (three times as tall as Mount Everest) Why is Mars a bright reddish-orange? Because of its iron rich minerals in the soil Venus' day is longer than its __________ Year - 243 days to rotate, but 225 Earth days for a complete orbit (year) On what planet is the solar day 24 hours 39 minutes 35 seconds long Mars What planet is closest to the sun? Mercury