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Search For Life Final Project - Abigail Fisher
Storyboard Tekst
- Dia: 1
- Are you ready for your mission to Planet AZY98B?
- Yes! I can't wait to explore it and hopefully find intelligent life. The last planet I went to only had bacteria, so boring
- This could be the planet we've been searching for. Good luck!
- Dia: 3
- Mission control copies. Look for liquid water when you land
- Four days later
- There it is! Planet AZY98B! And it looks to be right in the habitable zone, not too hot and not too cold
- Does it look to be geologically active?
- Dia: 4
- Lava! This planet is definitely geologically active
- I wonder if it has an atmosphere, I'm going to run some tests on my spaceship
- Dia: 5
- Any sign of an atmosphere?
- Negative
- What about a magnetic field?
- Negative again
- How fast is the planet rotating?
- It appears to complete one rotation every five days, so very slowly
- Alright, come on home then. There likely isn't life there
- Dia: 6
- Welcome home!
- Thanks! Why did you ask how fast the planet is rotating?
- How so?
- Dia: 7
- We believe that a planet must have an atmosphere in order to host life
- The sun emits radiation that strips atmospheres off planets unless there's something to protect it
- The magnetic field deflects the charged particles (solar wind) towards the poles of the planet, and thus the atmosphere is stronger than it would be without a magnetic field
- But what does that have to do with a planet's rotational speed?
- Dia: 8
- In order to have a magnetic field, a planet must first have a molten core, which we saw for AZY98B through its geologic activity
- Rotating once every five days is not fast enough to induce a magnetic field, hence its atmosphere being very weak to non-existent
- Without an atmosphere, it's unlikely that AZY98B can harbor life, so we must keep searching
- Dia: 9
- Let's go see what the next planet on our search list is
- Dia: 0
- Rotational speed is important for determining if a planet can host life
- For a lot of planets, magnetic fields are what protect the atmosphere from solar wind that can strip it away
- It must also be rotating relatively quickly so that the charged particles can induce a magnetic force, and thus the planet can have a magnetic field
Afbeelding Attributies
- 580835 - Brent Keane - (Licentie Free To Use / No Attribution Required / See https://www.pexels.com/license/ for what is not allowed )
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