unit 3 basic information on solar system. distances our sun is the closest starsun at 150 million...
TRANSCRIPT
Unit 3
Basic Information on Solar System
DistancesOur Sun is the closest starat 150 million kilometers
(93 million miles)
Our Moon is atat 384,400 kilometers
(240,000 miles)
The nearest star is Proxima Centauri With a distance of about
4.2 Light years.
A Light Year is how far light can travel in a year.
Check out some hyperlin
ks
Time
Our Moon circles theEarth in
27.32 days
Our Earth circles theSun in
365.256 days
Neptune circles theSun in
164.79 Earth years
Mercury circles theSun in
87.97 days
Our Sun circles theMilky Way in
225,000,000 years
Our Sun is a G type star.With a surface temperature
of 60000 C(11,0000 F)
Blue Stars are O or Bclass and have atemperature of
60,000 K to 10,000 K
A Hertzsprung Russeldiagram is a way of classifying stars.
White Stars are A or F classand have a temperatureof 10,000+ K to 7,500- K
Types of Stars
Red or Orange Stars are K or M classand have a temperatureof 5,000+ K to 3,500- K
Yellow stars are F, G, or K classand have a temperatureof 6,000+ K to 5,000- K
Our yellow sun has a smallsize compared to some starsbut it is considered average.
Blue stars are typically large.
White stars are typicallyvery small.
Size of Stars
Red or orange stars are typicallyvery large. Some day our sun
will be a red star.
A different Hertzsprung Russel diagram and asize comparison chart.
The End
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By Jason Palmer