Quantifying the Influence of Jupiter on the Earth's Orbital Cycles. / Horner, Jonathan; Vervoort, Pam; Kane, Stephen ; Ceja, Alma; Waltham, Dave; Gilmore, James; Kirtland Turner, Sandra.

In: The Astronomical Journal, Vol. 159, 10, 12.12.2019, p. 1-16.

Research output: Contribution to journalArticle

E-pub ahead of print

Standard

Quantifying the Influence of Jupiter on the Earth's Orbital Cycles. / Horner, Jonathan; Vervoort, Pam; Kane, Stephen ; Ceja, Alma; Waltham, Dave; Gilmore, James; Kirtland Turner, Sandra.

In: The Astronomical Journal, Vol. 159, 10, 12.12.2019, p. 1-16.

Research output: Contribution to journalArticle

Harvard

Horner, J, Vervoort, P, Kane, S, Ceja, A, Waltham, D, Gilmore, J & Kirtland Turner, S 2019, 'Quantifying the Influence of Jupiter on the Earth's Orbital Cycles', The Astronomical Journal, vol. 159, 10, pp. 1-16. https://doi.org/10.3847/1538-3881/ab5365

APA

Horner, J., Vervoort, P., Kane, S., Ceja, A., Waltham, D., Gilmore, J., & Kirtland Turner, S. (2019). Quantifying the Influence of Jupiter on the Earth's Orbital Cycles. The Astronomical Journal, 159, 1-16. [10]. https://doi.org/10.3847/1538-3881/ab5365

Vancouver

Horner J, Vervoort P, Kane S, Ceja A, Waltham D, Gilmore J et al. Quantifying the Influence of Jupiter on the Earth's Orbital Cycles. The Astronomical Journal. 2019 Dec 12;159:1-16. 10. https://doi.org/10.3847/1538-3881/ab5365

Author

Horner, Jonathan ; Vervoort, Pam ; Kane, Stephen ; Ceja, Alma ; Waltham, Dave ; Gilmore, James ; Kirtland Turner, Sandra. / Quantifying the Influence of Jupiter on the Earth's Orbital Cycles. In: The Astronomical Journal. 2019 ; Vol. 159. pp. 1-16.

BibTeX

@article{eb82d78d23f842968c5ad93491e0e6ae,
title = "Quantifying the Influence of Jupiter on the Earth's Orbital Cycles",
abstract = "A wealth of Earth-sized exoplanets will be discovered in the coming years, proving a large pool of candidates from which the targets for the search for life beyond the Solar system will be chosen. The target selection process will require the leveraging of all available information in order to maximize the robustness of the target list and make the most productive use of follow-up resources. Here, we present the results of a suite of n-body simulations that demonstrate the degree to which the orbital architecture of the Solar system impacts the variability of Earth's orbital elements. By varying the orbit of Jupiter and keeping the initial orbits of the other planets constant, we demonstrate how subtle changes in Solar system architecture could alter the Earth's orbital evolution { a key factor in the Milankovitch cycles that alter the amount and distribution of solar insolation, thereby driving periodic climate change on our planet. The amplitudes and frequencies of Earth's modern orbital cycles fall in the middle of the range seen in our runs for all parameters considered { neither unusuallyfast nor slow, nor large nor small. This nding runs counter to the `Rare Earth' hypothesis, which suggests that conditions on Earth are so unusual that life elsewhere is essentially impossible. Our results highlight how dynamical simulations of newly discovered exoplanetary systems could be used as an additional means to assess the potential targets of biosignature searches, and thereby help focus the search for life to the most promising targets.",
author = "Jonathan Horner and Pam Vervoort and Stephen Kane and Alma Ceja and Dave Waltham and James Gilmore and {Kirtland Turner}, Sandra",
year = "2019",
month = dec,
day = "12",
doi = "10.3847/1538-3881/ab5365",
language = "English",
volume = "159",
pages = "1--16",
journal = "The Astronomical Journal",
publisher = "IOP PUBLISHING LTD",

}

RIS

TY - JOUR

T1 - Quantifying the Influence of Jupiter on the Earth's Orbital Cycles

AU - Horner, Jonathan

AU - Vervoort, Pam

AU - Kane, Stephen

AU - Ceja, Alma

AU - Waltham, Dave

AU - Gilmore, James

AU - Kirtland Turner, Sandra

PY - 2019/12/12

Y1 - 2019/12/12

N2 - A wealth of Earth-sized exoplanets will be discovered in the coming years, proving a large pool of candidates from which the targets for the search for life beyond the Solar system will be chosen. The target selection process will require the leveraging of all available information in order to maximize the robustness of the target list and make the most productive use of follow-up resources. Here, we present the results of a suite of n-body simulations that demonstrate the degree to which the orbital architecture of the Solar system impacts the variability of Earth's orbital elements. By varying the orbit of Jupiter and keeping the initial orbits of the other planets constant, we demonstrate how subtle changes in Solar system architecture could alter the Earth's orbital evolution { a key factor in the Milankovitch cycles that alter the amount and distribution of solar insolation, thereby driving periodic climate change on our planet. The amplitudes and frequencies of Earth's modern orbital cycles fall in the middle of the range seen in our runs for all parameters considered { neither unusuallyfast nor slow, nor large nor small. This nding runs counter to the `Rare Earth' hypothesis, which suggests that conditions on Earth are so unusual that life elsewhere is essentially impossible. Our results highlight how dynamical simulations of newly discovered exoplanetary systems could be used as an additional means to assess the potential targets of biosignature searches, and thereby help focus the search for life to the most promising targets.

AB - A wealth of Earth-sized exoplanets will be discovered in the coming years, proving a large pool of candidates from which the targets for the search for life beyond the Solar system will be chosen. The target selection process will require the leveraging of all available information in order to maximize the robustness of the target list and make the most productive use of follow-up resources. Here, we present the results of a suite of n-body simulations that demonstrate the degree to which the orbital architecture of the Solar system impacts the variability of Earth's orbital elements. By varying the orbit of Jupiter and keeping the initial orbits of the other planets constant, we demonstrate how subtle changes in Solar system architecture could alter the Earth's orbital evolution { a key factor in the Milankovitch cycles that alter the amount and distribution of solar insolation, thereby driving periodic climate change on our planet. The amplitudes and frequencies of Earth's modern orbital cycles fall in the middle of the range seen in our runs for all parameters considered { neither unusuallyfast nor slow, nor large nor small. This nding runs counter to the `Rare Earth' hypothesis, which suggests that conditions on Earth are so unusual that life elsewhere is essentially impossible. Our results highlight how dynamical simulations of newly discovered exoplanetary systems could be used as an additional means to assess the potential targets of biosignature searches, and thereby help focus the search for life to the most promising targets.

U2 - 10.3847/1538-3881/ab5365

DO - 10.3847/1538-3881/ab5365

M3 - Article

VL - 159

SP - 1

EP - 16

JO - The Astronomical Journal

JF - The Astronomical Journal

M1 - 10

ER -