Electromagnetic Spectrum
Which category has the shortest wavelength on the electromagnetic spectrum?
Gamma Rays
On which page of the ESRT is the H-R Diagram located?
Page 15
On which page of the ESRT is the Solar System Data located?
Page 15
The shape of planetary orbits are best described as...
elliptical
In the heliocentric model of the solar system, the ______________ is at the center.
Sun
Which category has the lowest frequency on the electromagnetic spectrum?
Radio Waves
What are the four types of stars listed on the H-R Diagram?
Giant, Supergiant, Main Sequence, White Dwarf
How long does it take Neptune to orbit the Sun?
164.8 years
What is the eccentricity of a circle?
Zero
As a firetruck pass an observes, the pitch goes from high to low. This is an example of...
the doppler effect
Which color of visible light has the shortest wavelength?
Violet
Stars that are white and turn red are becoming...
cooler
Venus has a density of...
5.2 g/cm3
How many foci are there in an ellipse?
two
Scientists have used Cosmic Microwave Background Radiation to estimate the age of the Universe to be approximately...
13.8 billion years old
As a galaxy moves away from Earth it appears more...
Red
Which star is the most massive supergiant?
Deneb
Which planet has the most eccentric orbit?
Mercury
Define "major axis"
The farthest distance across an ellipse/the widest part of an ellipse
The solar system formed through the process of...
accretion
This left over energy from the beginning of the universe is evidence of the big bang.
Cosmic Microwave Background Radiation (CMB)
What are the two opposing forces that act in a star?
Gravity and Nuclear Fusion
What is located between Mars and Jupiter?
The asteroid belt
Eccentricity is always rounded to the nearest...
thousandth (0.123)
A star has a surface temperature of 15,000 K and a luminosity of 100. Based on these characteristics, it is classified as which type of star?
Main sequence