Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
基本信息
- 批准号:RGPIN-2014-06567
- 负责人:
- 金额:$ 1.38万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
In the last 20 years, with improvement in observations, we have gone from discovering the first planet, a Jupiter-mass planet, outside the solar system, moving down in size to discovering super-Earth planets (a few masses larger than Earth), to even taking the spectrum of a sub-Neptune planet with information on its atmospheric composition. In the quest to finding an Earth analog, we are discovering the larger versions of it first, opening a new field of study. With no analog in our Solar System, super-Earths and sub-Neptunes are a new type of planet with novel characteristics for us to understand. Thanks to the growing number of discoveries, we now have enough data to study the physical processes that govern these objects.
My research program addresses fundamental questions about the composition, origin and evolution of these planets. By inferring the composition of these objects we gain information about the location and timing of formation. Our research includes studying two aspects about formation: with theoretical models we aim to understand how atmospheric evaporation has shaped the envelopes of these planets, and by modeling the end-stages of formation and tying it to chemical composition, we will quantify the compositional outcomes of solid planets. This will allow us to understand how common an Earth-like and Mercury-like compositions are for planets around other stars.
Furthermore, we know that planets evolve habitable conditions, and that Earth's thermal evolution has played a role in making it suitable for life. Super-Earths typically experience surface temperatures, heating budgets and mantle compositions that differ drastically from Earth and other solar system solid planets. Our goal is to generalize thermal evolution studies and understand mantle convection under generalized conditions appropriate for rocky/icy super-Earths. With the aim of helping future observations, we will couple mantle convection to outgassing of the atmosphere to trace out the pathways to habitability of terrestrial planets. This research program will help us understand the Earth and the Solar System planets in a broad planetary context.
在过去的20年里,随着观测的改进,我们从发现太阳系外的第一颗行星--木星质量的行星,到发现体积更小的超级地球行星(比地球大几个质量),甚至获得了海王星以下行星的光谱和其大气成分的信息。在寻找类似地球的过程中,我们首先发现了它的更大版本,打开了一个新的研究领域。在我们的太阳系没有类似的情况下,超级地球和海王星是一种新类型的行星,具有新的特征让我们去理解。多亏了越来越多的发现,我们现在有了足够的数据来研究支配这些天体的物理过程。
我的研究计划解决了关于这些行星的组成、起源和演化的基本问题。通过推断这些物体的组成,我们获得了有关形成的位置和时间的信息。我们的研究包括关于形成的两个方面:通过理论模型,我们旨在了解大气蒸发如何塑造这些行星的包层,并通过模拟形成末期并将其与化学成分联系起来,我们将量化固体行星的组成结果。这将使我们了解在围绕其他恒星运行的行星中,类似地球和类似水星的成分有多常见。
此外,我们知道行星会进化出适宜居住的条件,而地球的热演化在使其适合生命的过程中发挥了作用。超级地球通常经历着与地球和其他太阳系固体行星截然不同的表面温度、加热预算和地幔组成。我们的目标是推广热演化研究,并了解适用于岩石/冰冻超级地球的广义条件下的地幔对流。为了帮助未来的观测,我们将把地幔对流与大气放气联系起来,以追踪类地行星宜居的途径。这项研究计划将帮助我们在更广泛的行星背景下了解地球和太阳系行星。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
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Valencia, Diana其他文献
COVID-19 Outbreaks Linked to Workplaces, 23 US Jurisdictions, August-October 2021.
- DOI:
10.1177/00333549221138294 - 发表时间:
2023-03 - 期刊:
- 影响因子:3.3
- 作者:
Luckhaupt, Sara E.;Horter, Libby;Groenewold, Matthew R.;de Perio, Marie A.;Robbins, Cheryl L.;Sweeney, Marie Haring;Thomas, Isabel;Valencia, Diana;Ingram, Amanda;Heinzerling, Amy;Nguyen, Alyssa;Townsend, Emily B.;Weber, Rachel C.;Reichbind, Diana;Dishman, Hope;Kerins, Janna L.;Lendacki, Frances R.;Austin, Connie;Dixon, Liana;Spillman, Brooke;Simonson, Sean;Tonzel, Julius;Krueger, Anna;Duwell, Monique;Bachaus, Brian;Rust, Britney;Barrett, Colleen;Morrison, Brooke;Owers Bonner, Katharine A.;Karlsson, Nicole D.;Angelon-Gaetz, Kim;McClure, Elizabeth S.;Kline, Kelly E.;Dangar, Dhara;Reed, Chasey;Karpowicz, Jacqueline;Anderson, Shoana M.;Cantor, Sophia;Chaudhary, Ifrah;Ellis, Esther M.;Taylor, Marissa L.;Sedon, Allison;Kocharian, Anna;Morris, Collin;Samson, Marsha E.;Mangla, Anil T. - 通讯作者:
Mangla, Anil T.
Clinical and neurodevelopmental outcomes based on brain imaging studies in a Colombian cohort of children with probable antenatal Zika virus exposure.
- DOI:
10.1002/bdr2.1947 - 发表时间:
2021-11 - 期刊:
- 影响因子:2.1
- 作者:
Daza, Marcela;Mercado, Marcela;Moore, Cynthia A.;Valencia, Diana;Fernanda Lengua, Maria;Newton, Suzanne;Rodriguez, Blanca;Tong, Van T.;Acevedo, Pedro;Gilboa, Suzanne M.;Ospina, Martha L.;Mulkey, Sarah B. - 通讯作者:
Mulkey, Sarah B.
Incidence of COVID-19 Among Persons Experiencing Homelessness in the US From January 2020 to November 2021.
- DOI:
10.1001/jamanetworkopen.2022.27248 - 发表时间:
2022-08-01 - 期刊:
- 影响因子:13.8
- 作者:
Meehan, Ashley A.;Thomas, Isabel;Horter, Libby;Schoonveld, Megan;Carmichael, Andrea E.;Kashani, Mitra;Valencia, Diana;Mosites, Emily - 通讯作者:
Mosites, Emily
New York State, New York City, New Jersey, Puerto Rico, and the US Virgin Islands' Health Department Experiences Promoting Health Equity During the Initial COVID-19 Omicron Variant Period, 2021-2022.
- DOI:
10.1089/hs.2023.0001 - 发表时间:
2023-09 - 期刊:
- 影响因子:3.3
- 作者:
Cox, Heidi;Gebru, Yonathan;Horter, Libby;Palomeque, Francisco S.;Myers, Kristopher;Stowell, Daniel;Easterling, Torian;de Noguera, Nayeli Salazar;Medina-Forrester, Amanda;Bravo, Josely;Perez, Siomara;Chaparro, Jaikiz;Ekpo, Lisa La Place;Cranford, Hannah;Santibanez, Scott;Valencia, Diana - 通讯作者:
Valencia, Diana
Strengthening capacity of health workers to diagnose birth defects in Ugandan hospitals from 2015 to 2021.
- DOI:
10.1186/s12909-023-04760-w - 发表时间:
2023-10-13 - 期刊:
- 影响因子:3.6
- 作者:
Namale-Matovu, Joyce;Kusolo, Ronald;Serunjogi, Robert;Barlow-Mosha, Linda;Mumpe-Mwanja, Daniel;Niombi, Natalia;Kalibbala, Dennis;Williamson, Dhelia;Valencia, Diana;Moore, Cynthia A.;Mwambi, Kenneth;Nelson, Lisa J.;Namukanja-Mayambala, Phoebe Monalisa;Williams, Jennifer L.;Mai, Cara T.;Qi, Yan Ping;Musoke, Philippa - 通讯作者:
Musoke, Philippa
Valencia, Diana的其他文献
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{{ truncateString('Valencia, Diana', 18)}}的其他基金
Thermo-chemical Evolution and Formation of Super-Earths and Mini-Neptunes
超级地球和迷你海王星的热化学演化和形成
- 批准号:
RGPIN-2021-02706 - 财政年份:2022
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Thermo-chemical Evolution and Formation of Super-Earths and Mini-Neptunes
超级地球和迷你海王星的热化学演化和形成
- 批准号:
RGPIN-2021-02706 - 财政年份:2021
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
- 批准号:
RGPIN-2014-06567 - 财政年份:2019
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
- 批准号:
RGPIN-2014-06567 - 财政年份:2018
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
- 批准号:
RGPIN-2014-06567 - 财政年份:2017
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
- 批准号:
RGPIN-2014-06567 - 财政年份:2016
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
- 批准号:
RGPIN-2014-06567 - 财政年份:2015
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
Formation and Evolution of super-Earths and sub-Neptune Planets
超级地球和亚海王星行星的形成和演化
- 批准号:
RGPIN-2014-06567 - 财政年份:2014
- 资助金额:
$ 1.38万 - 项目类别:
Discovery Grants Program - Individual
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