Mischka is an amateur astronomer. Using her telescope, she looks out past the Earth’s atmosphere and observes an object with a long, bright, cloud-like tail behind it. What is Mischka observing?
Where is the Oort cloud located?
Which of the following are dwarf planets? Check all that apply.CeresNamakaErisCharonHaumeaMakemakePluto
65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids. What most likely killed off the dinosaurs?
Which statement about dwarf planet locations is correct?
A scientist discovers a deep bowl-like divot under the ocean off the coast of eastern Mexico that is many kilometers across. The layers of the ground all around the continent from around the time that structure formed contain large amounts of iridium and a larger number of fossils than is normally found. What most likely caused the bowl-like structure?
Which terms describe space objects that are small chunks of rock and debris that are smaller than 1 km? Select three optionsmeteoroidsasteroidsmeteorsmeteoritescomets
Shelly was surprised to learn the dwarf planet Pluto used to be considered a planet. What would have had to be true for Pluto to remain categorized as a planet?
A scientist discovers a new object in the Kuiper Belt and claims it is a dwarf planet. What would have to be true about the object for the scientist to be correct?
A scientist finds a piece of rock in a crater. He analyzes the rock and realizes that the composition is mostly of iron and nickel. He claims that he found a meteor. What is most likely the scientist’s error?
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