SlideShare una empresa de Scribd logo
1 de 24
Descargar para leer sin conexión
Becky Jaramillo National Institute of Aerospace
The Milky Way . . .  how big is big? If our entire solar system could be shrunk down to the size of a quarter, the Milky Way Galaxy, which is approximately 10,000 light- years in width, would be the width of the continental United States!
M51 Hubble Remix
Little Galaxy with a Tail
200 billion stars in 100    billion galaxies . . . .   Is there life out there?
NASA  web site www.nasa.gov/education/nasaeclips
Life on Other Worlds Snowpits
History of Winter – Abiotic Conditions
Transits Methane on Mars Methane – An Indicator for Life? Kepler The Search for Exoplanets LCROSS Finding Water on the Moon
[object Object],YouTube site Where access to YouTube.com is restricted, try  www.zamzar.com  or Firefox download extensions.
[object Object]
Kepler
 
NASA SCI Files:  The Case of the Great Space Exploration
NASA SCI Files:  Activities
Space Math @ NASA:  Astrobiology Problems
Inquiry Activities Poster Activities NASA Astrobiology Institute
Careers in Astrobiology
[object Object],[object Object]
[object Object],[object Object]
www.wordle.net  Word Art
 
Graphical Dictionaries
Collaborative  Groups

Más contenido relacionado

La actualidad más candente

Is there life on mars
Is there life on marsIs there life on mars
Is there life on marskamiloncha
 
Galaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yet
Galaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yetGalaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yet
Galaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yetILOAHawaii
 
Life On Mars
Life On MarsLife On Mars
Life On MarsFIS
 
Havard Center for Astrophysics
Havard Center for AstrophysicsHavard Center for Astrophysics
Havard Center for AstrophysicsNational Lab Day
 
149 amazing pictures
149 amazing pictures149 amazing pictures
149 amazing picturesthandastuff
 
Target pluto fastest spaceship set for epic encounter with our remotest plan...
Target pluto  fastest spaceship set for epic encounter with our remotest plan...Target pluto  fastest spaceship set for epic encounter with our remotest plan...
Target pluto fastest spaceship set for epic encounter with our remotest plan...Som-Deepak Kumar-Sawant
 
Edwin Powell Hubble, by Joana
Edwin Powell Hubble, by JoanaEdwin Powell Hubble, by Joana
Edwin Powell Hubble, by JoanaAlexandra Duarte
 
what is setting
what is settingwhat is setting
what is settingshenaynay
 
Pluto (5th Outer Planet)
Pluto (5th Outer Planet)Pluto (5th Outer Planet)
Pluto (5th Outer Planet)Anne_Salise
 
CA 3.08 The Milky Way Universe
CA 3.08 The Milky Way UniverseCA 3.08 The Milky Way Universe
CA 3.08 The Milky Way UniverseStephen Kwong
 
Stars Inquiry
Stars InquiryStars Inquiry
Stars Inquiryaneff3
 
Galaxies_BigBang_Dark Matter
Galaxies_BigBang_Dark MatterGalaxies_BigBang_Dark Matter
Galaxies_BigBang_Dark MatterStephen Perrenod
 

La actualidad más candente (20)

Can there be life on mars
Can there be life on marsCan there be life on mars
Can there be life on mars
 
FLAT EARTH BELEIVE
FLAT EARTH BELEIVEFLAT EARTH BELEIVE
FLAT EARTH BELEIVE
 
Is there life on mars
Is there life on marsIs there life on mars
Is there life on mars
 
Iss
IssIss
Iss
 
life on mars
life on marslife on mars
life on mars
 
Galaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yet
Galaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yetGalaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yet
Galaxy Forum Kansas 2013 - Tomas Armstrong - Are we there yet
 
Life On Mars
Life On MarsLife On Mars
Life On Mars
 
Universe 3º cal, Lucía Ayllón
Universe 3º cal, Lucía AyllónUniverse 3º cal, Lucía Ayllón
Universe 3º cal, Lucía Ayllón
 
Havard Center for Astrophysics
Havard Center for AstrophysicsHavard Center for Astrophysics
Havard Center for Astrophysics
 
149 amazing pictures
149 amazing pictures149 amazing pictures
149 amazing pictures
 
Target pluto fastest spaceship set for epic encounter with our remotest plan...
Target pluto  fastest spaceship set for epic encounter with our remotest plan...Target pluto  fastest spaceship set for epic encounter with our remotest plan...
Target pluto fastest spaceship set for epic encounter with our remotest plan...
 
Exploring the Cosmos
Exploring the CosmosExploring the Cosmos
Exploring the Cosmos
 
Edwin Powell Hubble, by Joana
Edwin Powell Hubble, by JoanaEdwin Powell Hubble, by Joana
Edwin Powell Hubble, by Joana
 
What is a planet
What is a planetWhat is a planet
What is a planet
 
what is setting
what is settingwhat is setting
what is setting
 
3gravitation
3gravitation3gravitation
3gravitation
 
Pluto (5th Outer Planet)
Pluto (5th Outer Planet)Pluto (5th Outer Planet)
Pluto (5th Outer Planet)
 
CA 3.08 The Milky Way Universe
CA 3.08 The Milky Way UniverseCA 3.08 The Milky Way Universe
CA 3.08 The Milky Way Universe
 
Stars Inquiry
Stars InquiryStars Inquiry
Stars Inquiry
 
Galaxies_BigBang_Dark Matter
Galaxies_BigBang_Dark MatterGalaxies_BigBang_Dark Matter
Galaxies_BigBang_Dark Matter
 

Destacado

The solarsystem
The solarsystemThe solarsystem
The solarsystemSantanaMM
 
Expanding Our Reach Into the Solar System by Prof. G. Scott Hubbard
Expanding Our Reach Into the Solar System by Prof. G. Scott HubbardExpanding Our Reach Into the Solar System by Prof. G. Scott Hubbard
Expanding Our Reach Into the Solar System by Prof. G. Scott HubbardCoalition for Space Exploration
 
Solar system and life
Solar system and lifeSolar system and life
Solar system and lifeKESKINKILIC
 
The Sun and our Solar System
The Sun and our Solar System The Sun and our Solar System
The Sun and our Solar System Jeanie Lacob
 
Astrobiology: Life on other planets
Astrobiology: Life on other planetsAstrobiology: Life on other planets
Astrobiology: Life on other planetsDavid Graff
 
Stardust to Stardust
Stardust to Stardust Stardust to Stardust
Stardust to Stardust Wynn Wolfe
 
Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'
Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'
Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'onthewight
 
Astrobiology
AstrobiologyAstrobiology
Astrobiologyparism9
 
Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...
Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...
Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...andare2
 
Asteroids, comets, meteors
Asteroids, comets, meteorsAsteroids, comets, meteors
Asteroids, comets, meteorsMrsKendall
 
Earth & Life Science Solar System (lesson 2)
Earth & Life Science Solar System (lesson 2)Earth & Life Science Solar System (lesson 2)
Earth & Life Science Solar System (lesson 2)Marileah Mendina
 

Destacado (16)

The solarsystem
The solarsystemThe solarsystem
The solarsystem
 
Expanding Our Reach Into the Solar System by Prof. G. Scott Hubbard
Expanding Our Reach Into the Solar System by Prof. G. Scott HubbardExpanding Our Reach Into the Solar System by Prof. G. Scott Hubbard
Expanding Our Reach Into the Solar System by Prof. G. Scott Hubbard
 
Solar system
Solar systemSolar system
Solar system
 
Solar System
Solar SystemSolar System
Solar System
 
Solarsystem
SolarsystemSolarsystem
Solarsystem
 
Solar system and life
Solar system and lifeSolar system and life
Solar system and life
 
Solarsystem ok
Solarsystem okSolarsystem ok
Solarsystem ok
 
The Sun and our Solar System
The Sun and our Solar System The Sun and our Solar System
The Sun and our Solar System
 
solar_system
solar_systemsolar_system
solar_system
 
Astrobiology: Life on other planets
Astrobiology: Life on other planetsAstrobiology: Life on other planets
Astrobiology: Life on other planets
 
Stardust to Stardust
Stardust to Stardust Stardust to Stardust
Stardust to Stardust
 
Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'
Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'
Dr Lewis Dartnell: 'Astrobiology – The hunt for alien life'
 
Astrobiology
AstrobiologyAstrobiology
Astrobiology
 
Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...
Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...
Celestial bodies in the Solar System: the Sun, planets, satellites, comets, a...
 
Asteroids, comets, meteors
Asteroids, comets, meteorsAsteroids, comets, meteors
Asteroids, comets, meteors
 
Earth & Life Science Solar System (lesson 2)
Earth & Life Science Solar System (lesson 2)Earth & Life Science Solar System (lesson 2)
Earth & Life Science Solar System (lesson 2)
 

Similar a Astrobiology 50th

Jovian Planets Research Paper
Jovian Planets Research PaperJovian Planets Research Paper
Jovian Planets Research PaperJenna Welch
 
Jupiter Is The Largest Planet
Jupiter Is The Largest PlanetJupiter Is The Largest Planet
Jupiter Is The Largest PlanetDeb Birch
 
Willamette Meteorite Essay
Willamette Meteorite EssayWillamette Meteorite Essay
Willamette Meteorite EssayHannah Carpenter
 
6PB Fun Space Facts!
6PB Fun Space Facts!6PB Fun Space Facts!
6PB Fun Space Facts!melenha
 
6. the fine tuned universe
6. the fine tuned universe6. the fine tuned universe
6. the fine tuned universeAriel Roth
 
Kepler Space Telescope
Kepler Space TelescopeKepler Space Telescope
Kepler Space TelescopeLisa Chambers
 
Extinction Of Dinosaurs Research Paper
Extinction Of Dinosaurs Research PaperExtinction Of Dinosaurs Research Paper
Extinction Of Dinosaurs Research PaperAmanda Gray
 
Kirsi Kaulanen Analysis
Kirsi Kaulanen AnalysisKirsi Kaulanen Analysis
Kirsi Kaulanen AnalysisAndrea Arias
 
Development Of Life On Earth
Development Of Life On EarthDevelopment Of Life On Earth
Development Of Life On EarthRebecca Evans
 
3 types of tectonics plate
3 types of tectonics plate3 types of tectonics plate
3 types of tectonics plateslash dhan
 
The Differences Between Mars And Earth
The Differences Between Mars And EarthThe Differences Between Mars And Earth
The Differences Between Mars And EarthMaria Polite
 
The Origin Of Pseudotachylite And Its Parent Rock
The Origin Of Pseudotachylite And Its Parent RockThe Origin Of Pseudotachylite And Its Parent Rock
The Origin Of Pseudotachylite And Its Parent RockApril Ford
 

Similar a Astrobiology 50th (20)

The Formation Of Solar System Essay
The Formation Of Solar System EssayThe Formation Of Solar System Essay
The Formation Of Solar System Essay
 
Jovian Planets Research Paper
Jovian Planets Research PaperJovian Planets Research Paper
Jovian Planets Research Paper
 
Jupiter Is The Largest Planet
Jupiter Is The Largest PlanetJupiter Is The Largest Planet
Jupiter Is The Largest Planet
 
Mars mission
Mars missionMars mission
Mars mission
 
The Future Of NASA
The Future Of NASAThe Future Of NASA
The Future Of NASA
 
Meteoroid Lab
Meteoroid LabMeteoroid Lab
Meteoroid Lab
 
Willamette Meteorite Essay
Willamette Meteorite EssayWillamette Meteorite Essay
Willamette Meteorite Essay
 
6PB Fun Space Facts!
6PB Fun Space Facts!6PB Fun Space Facts!
6PB Fun Space Facts!
 
6. the fine tuned universe
6. the fine tuned universe6. the fine tuned universe
6. the fine tuned universe
 
Kepler Space Telescope
Kepler Space TelescopeKepler Space Telescope
Kepler Space Telescope
 
Extinction Of Dinosaurs Research Paper
Extinction Of Dinosaurs Research PaperExtinction Of Dinosaurs Research Paper
Extinction Of Dinosaurs Research Paper
 
Kirsi Kaulanen Analysis
Kirsi Kaulanen AnalysisKirsi Kaulanen Analysis
Kirsi Kaulanen Analysis
 
Development Of Life On Earth
Development Of Life On EarthDevelopment Of Life On Earth
Development Of Life On Earth
 
Space Research Paper
Space Research PaperSpace Research Paper
Space Research Paper
 
Discovery Of Decade
Discovery Of DecadeDiscovery Of Decade
Discovery Of Decade
 
3 types of tectonics plate
3 types of tectonics plate3 types of tectonics plate
3 types of tectonics plate
 
The Space Mission
The Space MissionThe Space Mission
The Space Mission
 
The Differences Between Mars And Earth
The Differences Between Mars And EarthThe Differences Between Mars And Earth
The Differences Between Mars And Earth
 
The Origin Of Pseudotachylite And Its Parent Rock
The Origin Of Pseudotachylite And Its Parent RockThe Origin Of Pseudotachylite And Its Parent Rock
The Origin Of Pseudotachylite And Its Parent Rock
 
Science EARTHWATCH
Science EARTHWATCHScience EARTHWATCH
Science EARTHWATCH
 

Último

In - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptxIn - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptxAditiChauhan701637
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17Celine George
 
HED Office Sohayok Exam Question Solution 2023.pdf
HED Office Sohayok Exam Question Solution 2023.pdfHED Office Sohayok Exam Question Solution 2023.pdf
HED Office Sohayok Exam Question Solution 2023.pdfMohonDas
 
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfTechSoup
 
Education and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptxEducation and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptxraviapr7
 
Practical Research 1 Lesson 9 Scope and delimitation.pptx
Practical Research 1 Lesson 9 Scope and delimitation.pptxPractical Research 1 Lesson 9 Scope and delimitation.pptx
Practical Research 1 Lesson 9 Scope and delimitation.pptxKatherine Villaluna
 
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptxPractical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptxKatherine Villaluna
 
CapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapitolTechU
 
Easter in the USA presentation by Chloe.
Easter in the USA presentation by Chloe.Easter in the USA presentation by Chloe.
Easter in the USA presentation by Chloe.EnglishCEIPdeSigeiro
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfMohonDas
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational PhilosophyShuvankar Madhu
 
How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17Celine George
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxraviapr7
 
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptxClinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptxraviapr7
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice documentXsasf Sfdfasd
 
AUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptxAUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptxiammrhaywood
 
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...Nguyen Thanh Tu Collection
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationMJDuyan
 

Último (20)

In - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptxIn - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptx
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17
 
Personal Resilience in Project Management 2 - TV Edit 1a.pdf
Personal Resilience in Project Management 2 - TV Edit 1a.pdfPersonal Resilience in Project Management 2 - TV Edit 1a.pdf
Personal Resilience in Project Management 2 - TV Edit 1a.pdf
 
HED Office Sohayok Exam Question Solution 2023.pdf
HED Office Sohayok Exam Question Solution 2023.pdfHED Office Sohayok Exam Question Solution 2023.pdf
HED Office Sohayok Exam Question Solution 2023.pdf
 
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
 
Education and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptxEducation and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptx
 
Practical Research 1 Lesson 9 Scope and delimitation.pptx
Practical Research 1 Lesson 9 Scope and delimitation.pptxPractical Research 1 Lesson 9 Scope and delimitation.pptx
Practical Research 1 Lesson 9 Scope and delimitation.pptx
 
Finals of Kant get Marx 2.0 : a general politics quiz
Finals of Kant get Marx 2.0 : a general politics quizFinals of Kant get Marx 2.0 : a general politics quiz
Finals of Kant get Marx 2.0 : a general politics quiz
 
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptxPractical Research 1: Lesson 8 Writing the Thesis Statement.pptx
Practical Research 1: Lesson 8 Writing the Thesis Statement.pptx
 
CapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptxCapTechU Doctoral Presentation -March 2024 slides.pptx
CapTechU Doctoral Presentation -March 2024 slides.pptx
 
Easter in the USA presentation by Chloe.
Easter in the USA presentation by Chloe.Easter in the USA presentation by Chloe.
Easter in the USA presentation by Chloe.
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdf
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational Philosophy
 
How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17
 
Prescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptxPrescribed medication order and communication skills.pptx
Prescribed medication order and communication skills.pptx
 
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptxClinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice document
 
AUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptxAUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptx
 
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive Education
 

Astrobiology 50th