Explore the potential for life on icy moons, what exoplanets look like, and the role biosignatures play in the search for life.
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Duration
3周 -
每周学习
3 hours -
100％在线
How it works -
包括专家
课程4 of 5
Icy Moons and Exoplanets
不久前在遥远的系外行星上
There are billions of stars outside our solar system, many with planets of their own orbiting them. Exoplanets are these planets that exist outside our solar system.
在这三周的课程中Dr Louisa Prestonwill take you through what exoplanets look like, as well as the structure of icy moons, and the likelihood of either supporting life.
What lies beneath the icy shells of Europa and Enceladus?
没有任何探针登陆欧罗巴和土卫的冰冷月亮，很难确定它们所拥有的环境。
You’ll discuss the theories of what lies beneath the icy shells of these moons, as well as the potential they both have for habitability. With missions in the works to send probes to both Europa and Enceladus, you’ll explore the opportunities and challenges these future missions face.
是什么使类似地球的地球？
地球is an extremely special phenomenon; a perfectly balanced environment for cultivating and maintaining life. So far, we haven’t discovered any other planet like ours, but the search continues beyond our solar system.
You’ll investigate what exoplanets are and the different types that we’ve discovered. You’ll then look at the criteria that an exoplanet needs to meet to be considered Earth-like and what they might be able to tell us about life on earth and beyond.
Follow the search for extraterrestrial life
Starting closer to home, you’ll explore the special nature of the icy moon Titan’s structure and environment, and delve into the different environments on Titan that could host life.
然后，本课程将指导您研究专家在研究系外行星时搜索的不同生物签名。有了这些知识，您将设计和证明外星人的生活是合理的，理论化可以假设地生活在系外行星上。
教学大纲
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Week 1
冰冷的卫星
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Welcome to the course
Let’s begin with an overview of what you’ll be learning this week before we delve into the details of three different icy moons.
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欧罗巴
我们对冰冷的月球的首次浏览将我们带到属于天然气巨人木星的欧罗巴。
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Enceladus
Next, we’ll hone in on Enceladus, Saturn’s sixth-largest moon.
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Titan
Finally, we’ll take a look at Titan, Saturn’s largest moon, and I’ll be chatting to Dr Melissa Trainer all about her work for NASA’s Dragonfly mission.
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每周总结
在这里，我们将回顾一些关键概念，并期待下周，我们将在这里探索太阳系和恒星的边缘。
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Week 2
Leaving the Solar System
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Welcome to Week 2
This week we’ll explore the edges of the Solar System, including Uranus, Neptune and Pluto, and the stars beyond. We’ll also consider the role of stars in searching for exoplanets.
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太阳系的边缘
他们可能在距离远离地球，但是海王星，天王星或冥王星可以维持生命吗？让我们找出答案！我们还将探索较小的身体，例如彗星和小行星，并遵循Voyager探针的旅程。
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What lies beyond...
Here we will consider whether humans will ever leave the Solar System, and what we’d have to cross to leave it. We’ll also take a first look at exoplanets in preparation for Week 3.
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Star light, star bright
Let’s look to the stars! We’ll start with our very own Sun, before we move on to how stars work, their different types and how they help us to navigate the universe.
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每周总结
在这里，我们将回顾一些关键概念，并期待下周，我们将在那里探索遥远的系外行星世界。
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Week 3
系外行星
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Welcome to Week 3
This week we will explore exoplanets in all their glory: what do they look like? How do we detect them? What are we searching for there? And what are the goals of future missions to find them?
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The diversity of exoplanets
系外行星aren’t all the same! Here we will explore some of the different categories, including hot Jupiters, hot Neptunes and Super-Earths.
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A second Earth
What is the likelihood of another Earth-like planet, an ‘Earth 2.0’? Here we’ll explore the criteria it would have to meet, and the types of life it might hold if the conditions were right.
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寻找系外行星
Today, scientists think that most stars have at least one exoplanet – we just have to find them! Here we’ll look at methods for this, as well as past and future missions.
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Course wrap-up
现在，您已经了解了有关系外行星的所有知识，现在该是该课程中所学到的所有内容的时候了。
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Learning on this course
On every step of the course you can meet other learners, share your ideas and join in with active discussions in the comments.
What will you achieve?
By the end of the course, you‘ll be able to...
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Investigate why exoplanets are so important
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Explain the significance of gas giants in the investigation of/search for Exoplanets
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比较系外行星的主要类别
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描述被视为地球状星球的标准
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Define the biosignatures searched for when investigating exoplanets
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Design and justify an extraterrestrial lifeform in accordance with given parameters
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Summarise key milestones in the history of searching for exoplanets
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Compare the key methods for searching for exoplanets
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总结超级行星任务的历史和未来
Who is the course for?
This course is designed for anyone interested in the fundamentals of astrobiology, particularly the icy moons of our solar system, Exoplanets and whether life exists outside our star system.
It will be especially useful to university applicants looking to identify areas that they’d like to specialise in and STEM teachers looking to bring science to life for their students.
您会和谁一起学？
I am an astrobiologist, geologist, and author at the Natural History Museum in London. I am also on the science team for the European Space Agency ExoMars 2022 Mars rover ‘Rosalind Franklin'.
Who developed the course?
FutureLearn
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Learning on FutureLearn
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