Question 1

The early universe was composed mainly of which two elements?

Accepted Answer

A)  Hydrogen and helium 
B)  Carbon and oxygen 
C)  Hydrogen and oxygen 
D)  Carbon and Iron 
A)  Hydrogen and helium 
B)  Carbon and oxygen 
C)  Hydrogen and oxygen 
D)  Carbon and Iron

Question 2

Describe the two main aspects of the cosmological principle.

Accepted Answer

(1)What we see around us is re

Question 3

Pluto is the only dwarf planet in our Solar System.

Accepted Answer

A) True 
 B)False

Question 4

A light-year is measured in units of

Accepted Answer

A)  time. 
B)  speed. 
C)  mass. 
D)  distance. 
A)  time. 
B)  speed. 
C)  mass. 
D)  distance.

Question 5

A scientific theory can be proven wrong if

Accepted Answer

A)  cultural beliefs evolve to contradict it. 
B)  scientists gather new data that disprove its predictions. 
C)  it cannot explain all phenomenon. 
D)  it is based only on conjecture. 
A)  cultural beliefs evolve to contradict it. 
B)  scientists gather new data that disprove its predictions. 
C)  it cannot explain all phenomenon. 
D)  it is based only on conjecture.

The early universe was composed mainly of which two elements?

Describe the two main aspects of the cosmological principle.

Pluto is the only dwarf planet in our Solar System.

A light-year is measured in units of

A scientific theory can be proven wrong if

Patterns in the Skymotions of Earth

Gravity and Orbitsa Celestial Ballet

Light

The Tools of the Astronomer

The Birth and Evolution of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Gravity Is More Than Keplers Laws

Planetary Adornmentsmoons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

A Run-Of-The-Mill G-Type Starour Sun

Star Formation and the Interstellar Medium

Stars in the Slow Lanelow-Mass Stellar Evolution

Live Fast,die Younghigh-Mass Stellar Evolution

Our Expanding Universe

Galaxies

The Milky Waya Normal Spiral Galaxy

Modern Cosmology

The Origin of Structure

Life

Filters

Exam 1: Why Learn Astronomy

The early universe was composed mainly of which two elements?

Describe the two main aspects of the cosmological principle.

Pluto is the only dwarf planet in our Solar System.

A light-year is measured in units of

A scientific theory can be proven wrong if

Patterns in the Skymotions of Earth

Gravity and Orbitsa Celestial Ballet

Light

The Tools of the Astronomer

The Birth and Evolution of Planetary Systems

The Terrestrial Planets and Earths Moon

Atmospheres of the Terrestrial Planets

Worlds of Gas and Liquidthe Giant Planets

Gravity Is More Than Keplers Laws

Planetary Adornmentsmoons and Rings

Dwarf Planets and Small Solar System Bodies

Taking the Measure of Stars

A Run-Of-The-Mill G-Type Starour Sun

Star Formation and the Interstellar Medium

Stars in the Slow Lanelow-Mass Stellar Evolution

Live Fast,die Younghigh-Mass Stellar Evolution

Our Expanding Universe

Galaxies

The Milky Waya Normal Spiral Galaxy

Modern Cosmology

The Origin of Structure

Life

Filters