Which planet could an astronaut visit without the need for a spacesuit (and survive)? the Moon Mercury Venus Mars None; an astronaut would need a spacesuit to survive a visit to any other planet in the solar system.
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Step 1: Understand the conditions on each celestial body mentioned (the Moon, Mercury, Venus, Mars) and their atmospheres. Show more…
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Directions: Describe the four inner planets. Choose the phrase that can describe them in the box below. red planet nearest planet to the sun revolves 365 1/4 days has a thin atmosphere has a perfect sphere shape has 1 moon only planet to sustain life has 96% carbon dioxide has 2 moons has living and non-living things Mercury Venus Earth Mars
Adi S.
Scientists found that Mercury's atmosphere is very hot. Venus is hot too. Mars and Pluto are too cold and their atmospheres are made up of too much carbon dioxide, just like those of Jupiter, Saturn, Venus, and Neptune. It is only the planet Earth whose atmosphere is made up of oxygen. Earth also receives enough light and rays from the sun that make the planet fit for life.
Match each moon or planet to the most accurate characteristic. A. Earth's moon Scientists believe it used to have flowing liquid water. B. Venus It is too cold for liquid water to exist on the surface. C. Europa It has no atmosphere due to weak gravity. D. Mars It is too hot for liquid water to exist.
Marlyn J.
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