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Astronomy. Created by Mildred. Jeopardy. Basics. Orbits. Universe. Solar Syst. Stars. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500. $500. $500. How old is the solar system?. - PowerPoint PPT Presentation
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Created by Mildred
$100
Basics Orbits Universe Solar Syst. Stars
$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
$100$200$300$400$500
Jeopardy
How old is the solar system?
4.5 billion years
When an object is moved to a higher position, what will
increase?
Its potential energy
What does it mean if the light from a star is shifted towards the
blue end of the spectrum?
The star is moving towards the
observer.
The movement (change in direction of swing) of the
Foucault pendulum indicates that......
The earth is rotating
Gamma rays
Which kind of electromagnetic waves have the shortest
wavelength?
The shape of the earth's orbit is best described as a
Slightly eccentric ellipse
What term refers to the position of the earth when it
is closest to the sun?
Perihelion
When the earth is at aphelion, the apparent size of the sun
will be
Smallest
DAILY DAILY DOUBLEDOUBLE
What is the relationship between a planets distance
from the sun and its period of rotation?
There is NO relationship.
As distance from the sun increases, the rate of revolution
of the planets.......
Decreases
How old is the universe?
12 to 14 billion years
What is the most widely accepted theory which explains
the origin of the universe?
The Big Bang theory
A collection of 100 billion stars held together by gravity is
known as
A galaxy
A cloud of gas and dust in space is......
A nebula
The brightness of a star independent of its distance is
Luminosity
What is the source of power for the sun?
(hydrogen) FUSION
At what rate does the earth revolve around the sun?
About 1o/day
Which planet has the highest density?
Earth
On which planet is a day longer than a year?
Venus
What is located in the space between Mars and Jupiter?
The asteroid belt
What determines the color of a star?
It's temperature
An exploding star is called
a (super) nova
Which star is 10,000 times brighter than the sun and has a surface temperature of 3800oC
Betelgeuse
What color is Polaris
Yellow
How long does it take the sun to rotate on its axis?
27 days
