Approximately how many asteroids that are 0.89 km in radius would it take to make a planet which has a radius of 6590.0 km?
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Q: Approximately how many asteroids that are 0.89 km in radius would it take to make a planet which has…
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- A certain exoplanet has an eighth of the mass of the Earth and half its diameter. The escape velocity on the exoplanet is ________ times the escape velocity on the Earth. A 1/4 B 1/2 C 2 D 4The asteroid Pallas has a mass of 2.11 ✕ 1020 kg and an average radius of about 256 km (2.56 ✕ 102 km). What is its escape velocity (in m/s)? (Hints: Use the formula for escape velocity ; remember to convert units to m, kg, and s.)________ m/sHow many orders of magnitude do you need to grow in spatial scale (size) to form a planet? Let's take the extreme ends of this scale, from a dust particle of radius a = 10-6m to the gas giant Jupiter (you can round up its radius to the nearest ten to keep it simple). What else has this difference in order of magnitude? Maybe pick something that's not a length scale. Be creative!
- Suppose the average mass of each of 20,000 asteroids in the solar system is 1017 kg. Compare the total mass of these asteroids to the mass of Earth. Assuming a spherical shape and a density of 3000 kg/m3, estimate the diameter of an asteroid having this average mass.6Jupiter's moon, Io, loses about 1070.0 kg/s of sulfur dioxide to Jupiter's magnetosphere. Sulfur dioxide currently makes up 0.9 % of Io's mass. How long in years until Io runs out of sulfur dioxide at the current loss rate? Io has a mass of 1 × 1023 kg and there are 3.15 × 107 seconds in a year. incorrect