If the velocity of the Solar Wind about 4.0 x 10^2 km/s and the visible tail of a comet of 9.0 x 10^8 km long, how many days does an atom in the solar wind take to travel from the nucleus to the end of the visible tail?

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

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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: It is believed there are 2.7 x 1012  comets in the Oort Cloud, which has a radius of 71000.0 AU.…

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Q: You analyze a sample of a meteorite that landed on Earth and find that 15 16 of a certain type…

A: Given that                   The certain type of the radioactive atoms have decayed = 1516No Where…

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: he speed of the solar wind is approy400 km/s. How many days does the solar wind take to travel from…

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Q: What is the difference between the Oort cloud and Kuiper belt of objects?

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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: 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: 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: 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: . Show all of yo

A: Given as, Semi-major axis a = 10, 000 AU, Eccentricity e = 0.999999, Mass= 1016 kg, Radius= 30 km.

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: What determines the velocity with which an asteroid impacts Earth?

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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: 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: What is the age of a meteorite if 40 decayed from 80g to 10g? The half life is 1.3billion years

A: No. of half-lives Fraction remaining Mass remaining/g 0 1 80 1 1/2 40 2 1/4 20 3 1/8 10 4…

Q: Assume that a 10-km asteroid hits the earth at about 20 km/s   An amount of water equal to about…

A: Given: The velocity of the asteroid hitting the earth: v = 20 km/s = 20000 m/s   [1 km = 1000 m] Let…

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: 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…

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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 ✕…

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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…

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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