It is believed there are 2.7 x 1012  comets in the Oort Cloud, which has a radius of 71000.0 AU. Calculate the average volume that each comet has to itself. Then take the cube root of the average volume per comet to find their typical spacing in AU.

Q: ou took all the matter in Saturn’s rings and packed it into a sphere with an average density of 1.2…

A: The density of the sphere is given by the expression

Q: If you saw Comet Halley when the comet was 0.8 AU from Earth and you observed a visible tail 4…

A:

Q: You observe a comet 0.46 AU from Earth with a tail that is 1.7 degrees long. How long is the tail in…

A: Given: The distance of the comet is 0.46 AU. The tail is 1.7 degrees long. The width of US is 4313…

Q: Why do astronomers think the asteroids were never part of a full-sized planet?

A: Asteroids are rocky objects that orbit Sun. They are very small to be considered a planet. They are…

Q: 2GM The asteroid Vesta has a mass of 2.59 x 1020 kg and an average radius of about 263 km (2.63 x 10…

A: Given data The mass of the asteroid is M = 2.59 x 1020 kg. The radius of the asteroid is r = 263…

Q: If you saw Comet Halley when the comet was 0.8 AU from Earth and you observed a visible tail 4…

A: For Small-angle approximation  The arc length at distance r and angle θ is given by

Q: The European Space Agency’s (ESA) Rosetta mission reached Comet 67P at the time when the comet…

A: The picture shows a jet emerging from the comet as captured by Rosetta when the comet was at its…

Q: Why are there no chondrules in achondritic meteorites?

A: A chondrite is a non-metallic stony meteorite. It is thought to be formed directly from condensation…

Q: Differentiate between an gas tail and dust tail of a comet.

A: Comets are the leftover materials from the formation of the solar system.   They are made of rock,…

Q: Suppose there are 106 (1 million) asteroids that are 1.03 km in radius. If they were all combined…

A: Here, we assume that  density of each old asteroids are same and the newly formed asteroid is also…

Q: Using the version of Kepler's laws of planetary motion. Calculate the orbital period of an Oort…

A: Kepler's laws describe the motion of planetary bodies around the Sun. As per Kepler's law, the…

Q: The mass of an average comet's nucleus is about 1.0 ✕ 1014 kg. If the Oort cloud contains 2.0 ✕ 1011…

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Q: It is believed that there are a 1.2 × 1012 comets in the Oort Cloud, which has a radius of 74000.0…

A: Number of comets in Oort cloud (N) = 1.2×1012Radius of each comet (R) = 74000 A.U

Q: If the velocity of the solar wind is about 4.0 ✕ 102 km/s and the visible tail of a comet is 8.0 ✕…

A: Using the equation relating velocity, distance and time

Q: If Earth-based telescopes can resolve angles down to 0.25 arcsec, how large could a trans-Neptunian…

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Q: If Sirius were moved 10x further away what would happen to its: parallax, surface temperature,…

A: **As per our company guidelines we are supposed to solve only one question (if there are multiple…

Q: 2. If the Nova comet has perfectly spherical core of a diameter 50 km, what is its shape seen by an…

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Q: We saw that the Oort cloud extends to 50,000 AU. What is the orbital period of a comet with a…

A: Given Data:The semimajor axis of comet is According to the kepler's third law,where, is the orbital…

Q: The mass of an average comet's nucleus is about 1.0 ✕ 1014 kg. If the Oort cloud contains 2.0 ✕ 1011…

A:

Q: Why do astronomers refer to carbonaceous chondrites as unmodified or "primitive" material?

A: Chondrites or stony meteorites are the most common types of meteorites in a meteorite fall. Roughly…

Q: If you saw Comet Halley when the comet was 0.4 AU from Earth and you observed a visible tail 3…

A: Given Distance = 0.4 AU Angle     = 3 degree 1 AU      = 1.5×109 km

Q: A comet’s perihelion distance is 1 AU, and its aphelion distance is 15 AU. In the following, we make…

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Q: ✕ 1014 kg. If the Oort cloud contains 2.0 ✕ 1011 comet nuclei, what is the mass of the cloud in…

A: Given as, m=1×1014 kgn=2×1011 comet uncleiMe =5.97×1024 kgMu =14.5Me

Q: If you saw comet Halley when the comet was 0.9 AU from Earth and you observed a visible tail 5…

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Q: The diameter of the earth’s moon 2159is miles. The diameter of Jupiter is 86881miles.  How many of…

A: The above figure shows how moons are to be fitted across the diameter of planet Jupiter. (the figure…

Q: Psyche Asteroid is 140 miles in diameter, how many meters is the diameter?

A: Psyche Asteroid is 140 miles in diameter, how many meters is the diameter?

Q: It is believed that there are 2.4 x1012 comets in the Oort Cloud, which has a radois of 72000.0 AU.…

A: Given value--- It is believed that there are 2.4 x1012 comets in the Oort Cloud, which has a radois…

Q: = Consider a moon of Uranus - if Uranus is currently a distance of 2.08 billion km from Earth, then…

A: Given that:d=2.08 billion km=2.08×109×103=2.08×1012 mT=8.71 days=8.71×24×3600=752544…

Q: Halley's Comet has a period of about 76 years. How distant will this comet be from the Sun?

A: Given: The time period of the comet is 76 years.

Q: What does the cosmic ray exposure age tell us about the history of a meteorite?

A: Cosmic rays are can be defined as high-energy atomic nuclei or protons which has a velocity closer…

Q: For the following, determine whether the type of explanation offered is theoretical (the kind used…

A: The given explanation is:No one noticed the comet before because of cloud cover

Q: If the velocity of the solar wind is about 4.0 ✕ 102 km/s and the visible tail of a comet is 3.0 ✕…

A: Given: v=400 km/s d=3×108 km

Q: Suppose we have two comets with the following orbital parameters: Comet 1: Eccentricity = 0.1,…

A: Given that, Comet 1: Eccentricity = 0.1, Semi-major axis(R1) = 0.5 AU   Comet 2: Eccentricity = 0.9,…

Q: Explain the three dimensional equations of motion of the comet?

A: A comet of mass m with angular momentum L moves around the sun. The equations of motion are given…

Q: Calculate the first cosmic velocity for the asteroid with radius 13 km and mass 43 940 000 Mtn.

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Q: If cometary nuclei were heated during the formation of the solar system by internal radioactive…

A: The solar system was formed from the dust, rock, and ice that were present in the interstellar…

Q: If you saw Comet Halley when the comet was 0.3 AU from Earth and you observed a visible tail 5…

A: Given Data Distance of the Comet Halley from Earth is given as d=0.3 AU=(0.3×1.5×109) km=4.5×108 km…

Q: A lot of asteroid and comet dust collides with Earth's atmosphere everyday. Assume that 500 tons of…

A: Conversion for ton to kilograms is, 1 ton = 907.185 kg

Q: If you saw Comet Halley when the comet was 0.5 AU from Earth and you observed a visible tail 6…

A:

Q: If the velocity of the solar wind is about 4.0 ✕ 102 km/s and the visible tail of a comet is 5.0 ✕…

A:

Q: If you saw Comet Halley when the comet was 0.3 AU from Earth and you observed a visible tail 5…

A:

Q: The mass of an average comet's nucleus is about 1.0 ✕ 1014 kg. If the Oort cloud contains 2.0 ✕ 1011…

A:

Q: The mass of an average comets nucleus is about 1.0 x 10^14 kg. If the Oort Cloud contains 20 x 10^11…

A: Mass of the Oort cloud in terms of mass of Earth

Q: What is the purpose of the asteroid belt?

A: The asteroid belt The asteroid belt orbits between Mars and Jupiter. It is also called as the main…