Exam Earth Habitable for Life Flashcards
1
Q
What are four features that support life on Earth
A
- Location
- Sun is a HabStar
- Planet Characteristics
- Life-Supporting Movements
2
Q
Location - What Galaxy
A
Edge of the Milky Way
3
Q
Why is it important that earth is on the edge of the galaxy?
A
No.t near galactic center with high star density and radiation
4
Q
What does it mean by Continuously Habitable Zone (CHZ)
A
- Theoretical zone around a star where planets would have liquid water
-Earth is located in this zone
-Nickname the Goldilock Zone
5
Q
What is a Habstart
A
A start that is a specific size and temperature suitable for life - Average size and yellow
HabStars account for only 5-10% of stars in the Milky Way
Our sun is a Class Ge star on the spectral range with a temperature of 6, 000K
which means our sun is in the Habstar range.
6
Q
Planet Characteristics - There are 5 planet characteristics that support life
A
