Imagine that you visit a planet orbiting another star and discover that it is heavily cratered, but its small moon is nearly crater free. Why would that be a surprise? Speculate what might have happened to those objects.
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Imagine that you visit a planet orbiting another star and discover that it is heavily cratered, but its small moon is nearly crater free. Why would that be a surprise? Speculate what might have happened to those objects.
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- Enceladus is a moon of Saturn. What unique feature does it possess? which is the correct answer? Cryovolcanism, where water erupts instead of silicate rock A dense system of rings An atmosphere thicker than Earth's Internal heating due to radioactivity Has an orbit inside Saturn's ringsINVEST IGATION 3 1. Fill out this data table with information you have collected (from Handout B: Pluto) about the dwarf planet Pluto. Characteristics Unit Pluto Mass 1024 g 14.6 Volume 1024 Cm3 7 Density g/cm3 2.08 5,900.4 Distance from Sun 106 km 1,185 Radius km Crust Thickness km unknown Atmosphere Height km 60 km Axial Tilt degrees 122.5 Force of Gravity on a 1 kg test mass Length of Day hoursHow would the solar system be different if the solar nebula had cooled, with a temperature half its actual value? [select all that apply] options: There would be more comets. Life would have been very unlikely to evolve here. There would be no comets. There would be fewer asteroids. There would be more asteroids. Jovian planets would have formed closer to Sun. Terrestrial planets would be large
- If you visited a planet in another solar system and discovered that it was heavily cratered, but its small moon was nearly crater free, why would that be a surprise? Speculate about what might have happened to those objects.If you stood on Earth during its formation, during which it captured about 1.6 ✕ 1011 particles per second, and watched a region covering 170 m2, how many impacts would you expect to see in an hour? (Notes: The surface area of a sphere is 4?r2. Hint: Assume that Earth had its current radius of 6,378 km.)Phobos, one of Mars’ moons, is very slowly spiraling down towards the planet. Do you think that Mars will one day have rings? Explain your reasoning,
- What is the escape velocity from the surface of Callisto if its mass is 1.1 x 1023 kg and its radius is 2.4 × 10° km? ( Hint: Use the formula for escape 2GM velocity, V. = V r X km/sThere is one part to this question. I need to know the days. Thank you!Imagine a trans-Neptunian object with roughly the same mass as Earth but located 50 AU from the sun. a) based on the solar nebula theory, what do you think this object would be made of and why? b) on the basis of speculation, assume a reasonable density for this object and calculate its diameter in units of Earth radii.