astronomy - t-birds earth...
TRANSCRIPT
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Astronomy
• What do you think is the most-asked
question I hear, whenever students begin
this class?
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Are there…
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Your Goal:
Engineer a meaningful mission to another
planetary body, to find evidence of past or
present life.
How?
Astrobiobound!
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Let’s Get Started
• How do engineers solve problems?
• How are waves used to transfer energy
and information?
• How do organisms live, grow, respond to
their environment and reproduce?
• How and why do organisms interact with
their environment and what are the effects
of their interactions?
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• What are we looking for in space?
• What is the big question we are trying to
answer by exploring other planets or
moons in our solar system and through
identifying other planets in other solar
systems outside our own?
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A needle in countless haystacks…
• TED ed: The Search for Life Elsewhere
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Key Vocabulary Terms
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Pre-Ideas Worksheet
• Packet pages 16 & 17
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• All lifeforms are:
– Made of cells
– Obtain and use energy
– Grow and develop
– Reproduce
– Respond & adapt to the environment
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Activity 1
• Identify a goal requiring a technological design– NASA Astrobiology Institute (NAI) Goals
#2: Determine any past or present habitable environments, prebiotic chemistry, and signs of life elsewhere in our Solar System. Determine the history of any environments having liquid water, chemical ingredients, and energy sources that might have sustained living systems. Explore crustal materials and planetary atmospheres for any evidence of past and/or present life.
#7: Determine how to recognize signatures of life on other worlds and on early Earth. Identify biosignatures that can reveal and characterize past or present life in ancient samples from Earth, extraterrestrial samples measured in situ or returned to Earth, and remotely measured planetary atmospheres and surfaces. Identify biosignatures of distant technologies.
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Types of Extremeophiles• Acidophiles – love
acid – pH < 3
• Ex: Rio Tinto, Spain
http://www.steane.com/p
hotos/images/41/p00034
2.jpg
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Types of Extremeophiles• Alkaliphiles – love
alkaline (base)
environments – pH > 9
• Ex: Mono Lake, CA
http://media-
cdn.tripadvisor.com/media/p
hoto-s/02/3d/06/e8/mono-
lake-dec-2011.jpg
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Types of Extremeophiles• Endoliths – dissolve
rocks to live (aka
lichen)
• Ex: Trans-Antarctic
Mountains
https://extremeecosystems.files.wordpress.com/2014/12/lichen.jpg
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Types of Extremeophiles• Halophiles – love salt
• Ex: Bonneville Salt
Flats, Utah
http://epod.usra.edu/.a/6a0105371bb32c970b015393c1cce4970b-pi
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Types of Extremeophiles
• Psychrophiles – love
cold
• Ex: Perito Moreno
Glacier, Patagonia,
Argentina
http://i.telegraph.co.uk/multimedia/archive/
01242/perito-moreno-pata_1242617c.jpg
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Types of Extremeophiles
• Thermophiles
(Hyperthermophiles)
– love heat
• Ex: Grand Prismatic
Spring, Yellowstone
National Park,
Wyoming
http://static.thousandwonders.net/Grand.Pr
ismatic.Spring.original.1306.jpg
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Types of Extremeophiles
• Radioresistant – able
to survive UV or
nuclear radiation
http://livefreelivenatural.com/wp-
content/uploads/2013/10/nuke_explosion.j
pg
http://thesuntoday.wpengine.netdna-
cdn.com/wp-content/gallery/best-of-
soho/TRICOLOR.jpg
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Types of Extremeophiles
• Xerophiles –
love arid
conditions
• Ex: Atacama
Desert, Chile
http://images.nationalgeog
raphic.com/wpf/media-
live/photos/000/638/cache
/valley-of-the-moon-
atacama-desert-
chile_63802_990x742.jpg
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Types of Extremeophiles• Acidophiles – love
acid
• Alkaliphiles – love pH
above 9
• Endoliths – dissolve
rocks to live
• Halophiles – love salt
• Psychrophiles – love
cold
• Thermophiles
(Hyperthermophiles)
– love heat
• Radioresistant – able
to survive UV or
nuclear radiation
• Xerophiles – love arid
conditions
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You’re going to group up today…
• Complete pg 25
– You can only land a rover on Mars, or do an
orbiter mission or fly by. The rover can be
stationary or mobile
– You can only do fly-by missions for Europa,
Enceladus and Titan
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Group 1:
Group 2:
Group 3:
Group 4:
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Group 5: Group 6:
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Go to page 25-26
• You must: Identify your mission goals and
track the engineering of your spacecraft
• Gold Cards: Potential Mission Target Cards
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Spacecraft Design
• Design a technological solution
• Do NOT use the red or black cards yet!
• START with yellow cards
• Be sure to TRACK your data on your Spacecraft Design Log – page 27
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Order of Cards
1. Yellow
2. Green
3. Bright Pink
4. Tan
5. Orange
6. Sky Blue
7. Purple
8. Dark Blue
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Keep in Mind• BUDGET is $300M
• Stay within your POWER constraints
• Stay within your MASS limit
and
• You need the biggest SCIENCE RETURN
to WIN!
Winning group = grade of 100
-5 points for each subsequent group
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Now…
• Choose a RED special event card
• Final tally of your budget, power, mass and
science return gets typed into the spreadsheet
posted on Google Classroom.
• Classroom.google.com
• Then: Complete the pages in your packet.
• Final grade for project, separate assignment
grades for each page in the packet.
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Put it through the Budgetary Test
• Complete packet pages 28 – 33
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Your Grades• Project Grade = Group Grade for Log
Sheet
– 100% for group closest to budget with
greatest science return ratio
• Individual Grades = pages in packet
– 28 “Mission Metrics”
– 29 “Engineering Constraints and
Accommodation List”
– 30-31 “Engineering Design Cycle”
– 32-33 “Post-Ideas”
Quiz on
_________Topic:
Astrobiobound
Project
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