Properties of Stars #1
Properties of Stars #2
Revolution of the Earth
Gravitational Force
Kepler's Laws
100
What are the two major components of the Jovian Planets?
What is Hydrogen and Helium gases?
100
Which will have a longer lifespan, Red Supergiant or white dwarf?
What is what dwarf?
100
What is the formula for calculating eccentricity?
What is e = distance b/w foci/Length of major axis
100
What are the two factors on which gravitational force depend?
What is mass and distance?
100
What is Kepler's first law of planetary motion?
What is All planets revolve around the sun in an elliptical orbit?
200
on H-R diagram, where is our sun located?
What is Main Sequence?
200
What does Luminosity mean?
The degree of brightness of star?
200
On the diagram below, between which TWO points does a planet orbiting the Sun moves fastest?
What is between P2 and P1 (or P1 and P2)?
200
Which fruit led to the discovery of gravity of Earth?
What is apple?
200
If it takes 30 days for a planet to move from A to B, how long will it take the planet to move from C to D, which has the same area as AB?
What is 30 days?
300
On the H-R diagram (ESRT pg 15), which star has the higher surface temperature, Polaris or Bernard's Star?
What is Polaris?
300
Approximately how many times is Sirius brighter than our Sun?
What is 10 times?
300
The point at the which the Earth is furthest from the Sun is known as what?
What is Aphelion?
300
What is the name of the scientist who discovered gravity?
Who is Issac Newton?
300
The following equation can be used to interpret which of Kepler's Laws of planetary motion?
T2 = R3
T = period
R = distance for the sun
What is Third Law?
400
How long does take light from the Sun to reach Earth?
What is 8.3 seconds?
400
What will be the eccentricity of an ellipse that has a major axis of 120 m and a distance of 30 between the foci?
What is 0.25?
400
During which season does perihelion occur in the Northern Hemisphere?
What is Winter?
400
In order to overcome the gravitational force of the Earth, what is the name of the speed at which a spacecraft should take off?
What is escape velocity
400
DAILY DOUBLE: The Earth is 1 astronomical unit (AU) away from the sun, from the equation below, how long does it take the Earth to complete one revolution around the sun?
T2 = R3
What is 1 year?
500
What are the TWO dying stars formed when Supernova explodes?
What are Neutron star and black hole?
500
While the Earth completes one revolution around the sun in one year, which of the eight (8) planets has completes one revolution around the sun in more than 160 years?
What is Neptune?
500
How many days are there in February of every leap years?
What is 29 days?
500
DAILY DOUBLE: What physical phenomenon is represented by the diagram and equation below?
What is gravitational force?
500
Given their relative distance from the sun, according to Kepler's 3rd Law of planetary motion, which of these two planets will have a longer period of revolution around the sun, Jupiter or Uranus?
What is Uranus