8.5.T Galaxy Test

What's our galaxy called?

(a)  

• the milky way
• silver river

• straw way

• Walsingham Way

What's a system of millions of stars consisting of gas and dust, bound by gravitational force?

(a)  

• earth

• the moon

• galaxy
• the sun

The Sun is a ...

(a)  

• Galaxy

• Planet

• Star
• Universe

The theory that the universe began as a point and has been expanding since is called the _________________.

(a)  

• Point theory

• Big l

• Big Bang Theory
• Big Boom Theory

What shape is the Milky Way? 

(a)  

• Elliptical

• Irregular

• Spiral
• Lenticular

A type of galaxy with no obvious structure is a 

(a)  

• Elliptical

• Irregular
• Spiral

• Lenticular

A star dies when...

(a)  

• gets 100 years old.

• the Sun stops lighting it

• its hydrogen runs out
• gives birth to another star.

Evidence of the Big Bang is supported by wavelengths of light from different galaxies appearing to

(a)  

• blueshift, appearing to be shorter

• redshift, appearing shorter

• blueshift appearing longer

• redshift appearing longer

______ is a force that causes dust particles to stick together in a nebula. (a)  

• nuclear fusion
• gravity
• hydrogen
• iron

Stars are formed in a large cloud of gas and dust called a (a)  

• cumulonimbus cloud
• nebula
• neutron star
• black hole