Big Bang
Hubble's Law
Spectra
Wavelengths
Challenges
100
What date did Vesto Slipher calculated the speed and direction of “spiral nebulae” ?
1912
100
What is the equation we use for measuring velocity using redshift?
v = c × z
100
What is Emission Spectra?
Specific wavelengths of light emitted depends on the element
100
What are the four types of Wavelengths?
Wavelength, Frequency, Amplitude, Velocity
100
What date did Isaac Newton explained light as a stream of particles?
1704
200
What is the shift of a Wavelength called?
Doppler Effect
200
What does the V mean in the equation v = c × z
V= Entity’s velocity
200
What is a Continuous Spectrum?
It produces all wavelengths of visible light.
200
What is the wave formula?
200
What date did Heinrich Hertz experimentally verify his prediction?
1887
300
What does a Cepheid Variable stars have?
Direct relationship between their energy output and the time it takes them to change in brightness
300
What does the C mean in v = c × z
C = the speed of light = 3×105 km/s
300
What is the Absorption (Dark Line) Spectrum?
When light leaves the center of a star, it has to pass through the outer layer of the atmosphere of the star.
300
What is the Speed of light formula?
c = f𝜆
300
What are some of the parts of a wave?
Crest, Wavelength, Amplitude, Trough
400
What is the Matter that was compacted into a very small ball with infinite density and intense heat called?
Singularity
400
What does the H mean in v = H0d
H0d= Hubble’s constant
400
Name an example of a Continuous Spectrum
Rainbow
400
What is the Frequency and Wavelength formula?
400
What does Amplitude ONLY affect?
Intensity
500
What is the Singularity Epoch also known as?
Planck Epoch (Planck Era)
500
What is Hubble's constant estimated to be?
Ho = 73 km/s/Mpc. One parsec is 3.09×1013 km.
500
What is a Emission Spectrum?
Like a fingerprint, no two elements are the same.
500
When a Wavelength is hard what is the formula?
3 × 10-12 m
500
What is the relationship between Frequency and Wavelength?
Inverse Relationship