Vocab 1
What Is Absolute magnitude?
Its a Measure of a Celestial object's intense brightness.
Whats the definition of Gravity
A force that pulls to objects towards each other.
Which axis is Luminosity can be seen on?
Luminosity is on the vertical axis of the H-R Outline.
How does the suns gravity effect the planets?
The Sun's gravity keeps the planets in orbit.
What are the 4 inner Planets?
Mercury, Venus, Earth, Mars
What is Apparent magnitude?
Its a numerical measurement of how bright a Celestial object appears.
Whats the definition of Luminosity?
Luminosity is an absolute measure of radiant power.
Which axis is the Temperature on?
Temperature lays on the horizontal axis.
Who first described Gravity mathematically?
Sir Isaac Newton
What are the 4 outer planets?
Jupiter, Saturn, Uranus, Neptune
What is a Supergiant?
A massive luminous star that is in the final stages of its life.
What is a White dwarf?
The core of a star that has died after using up its nuclear fuel.
Are blue stars hotter than red stars?
Yes blue stars are hotter and brighter than red stars.
Does each plant have its own gravitational field?
Yes each planet has their own gravitational field.
What makes the inner planets different from the outer planets?
The inner planets are small and rocky, while the outer planets are large and gaseous.
What is A Giant Star?
A star that is much larger and luminous than a main sequence star.
What is Hydrogen Fusion?
Its the nuclear fusion reaction that transforms hydrogen nuclei, into helium-4 nuclei.
Where do White Dwarfs lay on the H-R diagram?
They lie on the lower left side of the the diagram.
Do moons orbit other planets?
Yes because moons orbit other planets because of their gravitational.
Where is the Asteroid located in the solar system?
Between Mars and Jupiter
What is the definition of Spectral class?
The analysis of electromagnetic radiation (light) across different wave lengths.
What is helium fusion?
This is a reaction that occurs when two or more helium nuclei collide and fuse together to form heavier elements.
What is the H-R diagram?
Its a graph that separates the effects of temperature and the surface area on stellar luminosity.
How does the mass Object affect the gravitational field.
More mass means stronger gravitational pull.
Where is the Kuiper Belt located in the solar system?
Beyond Neptune's orbit.