Answer each question individually or all on the same page.
The universe is..?
Contracting
Staying the same
Expanding
When galaxies move away from us they exhibit Redshift. This is known as the..?
Hubble Classification
Doppler Principle
Bourne Identity
True or False? Some galaxies in our local group are moving towards our galaxy, the Milky Way.
True
False
Red light has a..?
Longer Wavelength than blue
Shorter Wavelength than blue
Redshift in a spectrum shows..?
An object moving away
An object moving nearer
A stationary object
Radial Velocity is how fast an object is travelling..?
...in the direction perpendicular to the observer
…in the direction of the line of sight
…in the central direction
Hubble’s law is v = Hd. What does this mean?
Velocity = Height x Distance
Velocity = Hubble constant / Distance
Velocity = Hubble constant x Distance
What does this symbol mean λ?
Wavelength
Temperature
Coatstand
Cosmologists believe this is responsible for the majority of mass in a galaxy..?
Dark energy
Dark matter
Neutrinos
Which of these is an argument NOT in favour of the big bang theory?
The Universe continues to expand.
Cosmic Microwave Radiation is thought to be leftover heat from the Big Bang.
There does not seem to be enough mass in the Universe to account for its expansion.
Which of these are true about quasars?
High redshift, emit radiation, older object
Nearby Stars, emit radiation, newer object
Crunchy, come in yellow coloured crisp packets, found in newsagents
Cosmologists believe this is the force responsible for moving galaxies away from each other..?
Dark energy
Dark matter
Neutrinos
The cosmic background radiation is the temperature of space throughout the universe. Approximately, what is this temperature in Kelvin? (0 degrees Kelvin = -273 degrees Celsius)
0 K (-273 C)
1 K (-272 C)
3 K (-270 C)
The Hubble Deep Field is..?
An image taken of a small area of space in multiple exposures over the course of days by the HST
A method of measuring the velocity of galaxies
A concave depression in a sports field landscaped by Hubble himself.
Which of these do cosmologists consider might happen to how the universe might end?
