Question 1

Which Jovian moon has gotten the most attention from exobiologists?

Accepted Answer

A)  Ariel 
B)  Europa 
C)  Triton 
D)  Io 
E)  Miranda 
A)  Ariel 
B)  Europa 
C)  Triton 
D)  Io 
E)  Miranda

Question 2

Organic molecules can only be made by living things.

Accepted Answer

A) True 
 B)False

Question 3

What is meant by the idea life on Earth had an "interstellar origin"?

Accepted Answer

Organic molecules have been found in com

Question 4

Binary star systems are considered good candidates in SETI.

Accepted Answer

A) True 
 B)False

Question 5

What happened to the dinosaurs? How does that enter into the Drake Equation?

Accepted Answer

Much of the life on Earth died

Question 6

How would the radio Earth appear to extraterrestrials?

Accepted Answer

Earth would be a stronger source of FM a

Question 7

Discuss the nature of the Miller- Urey experiments. What are the results of these experiments?

Accepted Answer

The Miller- Urey experiments involved pa

Question 8

How long ago did multicellular life forms appear in the fossil record?

Accepted Answer

A)  4.5 billion years ago 
B)  3.8 billion years ago 
C)  one billion years ago 
D)  63 million years ago 
E)  30 million years ago 
A)  4.5 billion years ago 
B)  3.8 billion years ago 
C)  one billion years ago 
D)  63 million years ago 
E)  30 million years ago

Question 9

Which classes of stars with large habitable zones probably don't last long enough for life to evolve to use them?

Accepted Answer

Classes O through A

Question 10

Why do we feel type O and B stars are poor candidates for extraterrestrial life?

Accepted Answer

A)  They do not have a habitable zone. 
B)  They don't produce enough yellow light. 
C)  Their lifetime is too short. 
D)  Their habitable zone lies too close to the star. 
E)  They don't produce a planetary system. 
A)  They do not have a habitable zone. 
B)  They don't produce enough yellow light. 
C)  Their lifetime is too short. 
D)  Their habitable zone lies too close to the star. 
E)  They don't produce a planetary system.

Question 11

As one of the strongest sources of radio waves in the solar system, the has an observed period of about a day.

Accepted Answer

The answer of As one of the strongest sources of...

Question 12

An F- type star would have a larger habitable zone that does our Sun.

Accepted Answer

A) True 
 B)False

Question 13

The definition of "life" requires only that an entity be able to reproduce itself.

Accepted Answer

A) True 
 B)False

Question 14

The water hole is a region around Sun- like stars where liquid water can exist on the surfaces of terrestrial planets.

Accepted Answer

A) True 
 B)False

Which Jovian moon has gotten the most attention from exobiologists?

Organic molecules can only be made by living things.

What is meant by the idea life on Earth had an "interstellar origin"?

Binary star systems are considered good candidates in SETI.

What happened to the dinosaurs? How does that enter into the Drake Equation?

How would the radio Earth appear to extraterrestrials?

Discuss the nature of the Miller- Urey experiments. What are the results of these experiments?

How long ago did multicellular life forms appear in the fossil record?

Which classes of stars with large habitable zones probably don't last long enough for life to evolve to use them?

Why do we feel type O and B stars are poor candidates for extraterrestrial life?

As one of the strongest sources of radio waves in the solar system, the has an observed period of about a day.

An F- type star would have a larger habitable zone that does our Sun.

The definition of "life" requires only that an entity be able to reproduce itself.

The water hole is a region around Sun- like stars where liquid water can exist on the surfaces of terrestrial planets.

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Filters

Exam 19: Life in the Universe: Are We Alone

Which Jovian moon has gotten the most attention from exobiologists?

Organic molecules can only be made by living things.

What is meant by the idea life on Earth had an "interstellar origin"?

Binary star systems are considered good candidates in SETI.

What happened to the dinosaurs? How does that enter into the Drake Equation?

How would the radio Earth appear to extraterrestrials?

Discuss the nature of the Miller- Urey experiments. What are the results of these experiments?

How long ago did multicellular life forms appear in the fossil record?

Which classes of stars with large habitable zones probably don't last long enough for life to evolve to use them?

Why do we feel type O and B stars are poor candidates for extraterrestrial life?

As one of the strongest sources of radio waves in the solar system, the has an observed period of about a day.

An F- type star would have a larger habitable zone that does our Sun.

The definition of "life" requires only that an entity be able to reproduce itself.

The water hole is a region around Sun- like stars where liquid water can exist on the surfaces of terrestrial planets.

Charting the Heavens: the Foundations of Astronomy

The Copernican Revolution: the Birth of Modern Science

Light and Matter: the Inner Workings of the Cosmos

Telescopes: the Tools of Astronomy

The Solar System: Interplanetary Matter and the Birth of the Planets

Earth and Its Moon: Our Cosmic Backyard

The Terrestrial Planets: a Study in Contrasts

The Jovian Planets: Giants of the Solar System

Moons, Rings, and Plutoids: Small Worlds Among Giants

The Sun: Our Parent Star

Measuring the Stars: Giants, Dwarfs, and the Main Sequence

The Interstellar Medium: Star Formation in the Milky Way

Stellar Evolution: the Lives and Deaths of Stars

Neutron Stars and Black Holes: Strange States of Matter

The Milky Way Galaxy: a Spiral in Space

Normal and Active Galaxies: Building Blocks of the Universe

Hubbles Law and Dark Matter: the Large-Scale Structure of the Cosmos

Cosmology: the Big Bang and the Fate of the Universe

Filters