A103 Exploration 1 Worksheet

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School

Indiana University, Bloomington *

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Course

A103

Subject

Astronomy

Date

Feb 20, 2024

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docx

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3

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A103 Exploration 1 NAME: Samantha Popek Submit via Canvas. Part 1: Follow the instructions on the Canvas page then answer these questions: (1) Find an exoplanet using the NASA Exoplanet Archive that is close to Earth in mass and radius and close to Jupiter in mass and radius. Fill in the properties of those two planets in the table below: [5 Points] Specify your units for mass and radius in the table! Is each entry in Earth masses/radii or Jupiter masses/radii? Planet Type Planet Name Mass Radius Distance from Star [AU] Star Temperature [K] Earth-Like Planet Info TRAPPIST-1 f 1.039 +- 0.031(Earth mass) 1.045 (Earth Radius) 0.03849+- 0.00033 2566 +-26 Jupiter-Like Planet Info TOI-1811 b 0.9720(Jupitor mass) 0.9940(Jupiter Radius) 0.04389 4766 (2) Based on the information in the table, do you expect the Earth-Like planet you found to be a good place to search for life? Specifically, does the distance from the star and does the star’s temperature suggest the planet is good/bad for hosting life like Earth? Answer in 2-3 sentences. [3 points] - Based on the information provided above in the chart and on the site, planet TRAPPIST-1 f seems to be in the habitable zone of its star, if Im not mistaken, given its distance from the star and the stars temperature. The distance from the star (0.03849) suggests that it receives the right amount of energy for potential liquid water to exist, which is a very crucial ingredient for life. Additionally, the stars temperature (2566 k) is lower than our Suns, it still however could provide enough warmth for hosting life on Earth. Therefore, TRAPPIST-1 f is a promising planet for life to exist. (3) Based on the information in the table, is the Jupiter-Like planet a hot Jupiter or more similar to the Jupiter from our solar system? Recall information from class lecture (especially 8/24/23 lecture) to help answer the question. Answer in 1-2 sentences [2 points] - Based on the information in the table, Jupiter, like planet TOI-1811 b is more similar to the Jupiter from our solar system rather than a hot Jupiter. Its mass and radius are comparable to Jupiter, further revealing similarities to Jupiter in our solar system. Additionally, hot Jupiter’s are gas giants that are close to their parent stars, TOI-1811 b has a distance from its star of 0.04389, which is pretty close but not as close as usually hot Jupiter’s.
Part 2: Follow the instructions on the Canvas page then answer these questions: Question 4: Add a screenshot of your log-log exoplanet characteristic plot [6 points]. Question 5: The table below lists some properties of Jupiter, Neptune, Mercury, and Earth. Based on your plot, have a lot or very few similar planets to those four above been discovered around other stars? Answer: “not a lot” or “many” in the empty column to answer this question. [1 point each] Planet Name Mass (Earth Masses) Distance from Host Star (AU) Have many exoplanets like this planet in our solar system have been discovered?
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