8) Suppose astrophysicists discover an carth-size exoplanet within a habitable zone. Unfortu- nately, the planct lacks a magnetic field. Can you think of a solution to create a needed magnetic field? How feasible is your solution? (include calculations and mumeric values if possible).
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- How is a habitable zone likely to change over time? a. get narrower b. move further from the star c. they aren't likely to changeIf you detected radio signals with an average wavelength of 68 cm and suspected that they came from a civilization on a distant Earth-like exoplanet, roughly how much of a change in wavelength (in cm) should you expect to detect as a result of the orbital motion of the distant exoplanet? (Hint: Use the Doppler shift formula.) (Note: Earth's orbital velocity is 30 km/s.)MuaBnpa//:sduu WileyPLUS: MyWileyPLUSI Help I Contact Us Log Out PLUS INTRO TO MECHAN, & ELEC & MAGNETISM (PHYS 1303, 1304, 1307 &1308) Halliday, Fundamentals of Physics, 11e Downloadable eTextbook ORION Gradebook Assignment tudy & Practice pen Assignment NEXT BACK PRINTER VERSION FULL SCREEN ESOURCES Chapter 27, Problem 068 WK 6 (Fall Your answer is partially correct. Try again. Concept A 1.06 mF capacitor with an initial stored energy of 0.297 J is discharged through a 1.82 M2 resistor. (a) What is the initial charge on the capacitor? (b) What is the current through the resistor when the discharge starts? At time t = 871 s, find (c) the potential difference Vc across the capacitor, (d) the potential difference VR across the resistor, and (e) the rate at which thermal energy is , Concept 5, Concept 7 produced in the resistor. 6, Сoncept 09 Units C (a) Number 0.025 26, Problem Units (b) Number 23.6 V 26, Problem Units (c) Number0.26e-6 A 26, Problem Units V 26, Problem (d) Number 15.03…
- 1. (a) Calculate thermal escape times for H, He, and H2O on Mars with exosphere temperatures of 210 K and 1000 K. Comment on the volatile history on Mars if transient events ever heated its exosphere to 1,000 K for 1 My (b)Why is the calculation inadequate to fully explain the escape of Martian volatiles?Which of the following is least reasonable regarding the concept of a habitable zone? Group of answer choices M-type stars have wider habitable zones than G-type stars. It is a region around a star where liquid water could be found on a planet's surface. The habitable zone of a less massive star would be closer to the star. In the course of millions of years, our habitable zone will slowly shift from Earth to Mars. The Galactic habitable zone cannot be too close to the Galactic center because the radiation from the bright stars and supernovae in the crowded inner part of the Galaxy would probably be detrimental to life.Tutorial A radio broadcast left Earth in 1925. How far in light years has it traveled? If there is, on average, 1 star system per 400 cubic light years, how many star systems has this broadcast reached? Assume that the fraction of these star systems that have planets is 0.30 and that, in a given planetary system, the average number of planets that have orbited in the habitable zone for 4 billion years is 0.85. How many possible planets with life could have heard this signal? Part 1 of 3 To figure out how many light years a signal has traveled we need to know how long since the signal left Earth. If the signal left in 1925, distance in light years = time since broadcast left Earth. d = tnow - tbroadcast d = light years Submit Skip (you cannot come back)
- Considering what you learned from the solar nebula theory, how likely do you think it is to find habitable planets in other solar systems? Visit NASA’s Kepler mission to learn more about this search, and write a ½ page summary on the mission.(a) Calculate the time necessary for Kepler shear to spread rings with the following parameters over 360° in longitude: Width 1 km, orbit 80 000 km from Saturn. Width 100 km, orbit 80 000 km from Saturn. Width 1 km, orbit 120 000 km from Saturn. Width 2 km, orbit 63 000 km from Neptune. no chat GPT HAND WRITTEN ONLY OTHERWISE WILL LEAVE A DOWNVOTE4) Science fiction movies often portray asteroid belts as crowded, dense regions that require spaceships to maneuver quickly to get through them. In this problem, we will calculate the fraction of volume in an asteroid belt that is actually occupied by asteroids. a) If there are 300,000 large asteroids between 2 and 3 AU from the Sun, and each asteroid is assumed to be spherical with a radius of 100 km, determine the total volume occupied by asteroids in this region. Recall that the volume of a sphere is given by the equation V = 4TR³ /3. b) Let's assume the region in which these asteroids orbit is an annulus with an inner radius of 2 AU, an outer radius of 3 AU, and a thickness of 2Ro. Determine the volume of this region. Recall that the area of a circle is given by the equation A = TR². Here are two conversions that you'll need: 1 AU = 1.496 × 108 km and 1 Ro = 6.955 × 105 km. c) What is the ratio of the volume occupied by asteroids to the volume of the asteroid belt (i.e., the…
- History C Bookmarks 11 Harper Sign in Profiles Bb X Bb M BG M dint t-1-prod-fleet01-xythos.content.blackboardcdn.com o Mail Quinn D. Do... Window Help 20 Marine EGelegy Ecology Deus Calendar | Univers.. 3 / 5 THANTHON MarEco Project. 100% ammarok H] Welcome, Quinn + Fasick Research @0MC Seahorse literature d 3. A uniform horizontal beam with a length of 8 m and a weight of 300 N is attached to a wall by a pin connection at point P. Its far end is supported by a cable that makes an angle of 53° with the horizontal, and a 650-N person stands 2 m from the wall, as shown in the figure. (a) Draw a free-body diagram of the beam. (b) Draw an extended free-body diagram of the beam. (c) Find the tension in the cable. (d) Find the force exerted by the wall on the beam. MacBook Air Microsoft Office H... 53.0° 8.00 m ww Honors Program... - ? N QU! |What is a mini-Neptune? Group of answer choices An exoplanet the size of Earth which appears to be habitable. An exoplanet with a radius between 1.4 and 2.8 times Earth radius. An exoplanet with a radius between 2.8 and 4 times Earth radius. An exoplanet with more water than Earth.What is an exoplanet? Group of answer choices A planet in our solar system beyond Pluto. Any planet with extra-terrestrial life. A planet in an extra-solar star system outside of our solar system. Objects in the solar system such as Pluto that were once considered planets but no longer are.