Lesson 2 Flashcards
It is the source of power in the solar system
Sun
It is the ball of hydrogen and helium gases
Sun
What is the temperature of the sun’s core
27 million degrees celsius
The sun atmosphere is made up of (3)
Photosphere
Chromosphere
Corona
Consists of convection cells that keep a grainy appearance
Photosphere
What is the temperature of the photosphere
4,400 to 9,000 celsius
How much is the thickness of chromosphere and what is the temperature of the chromosphere
2,000 km thick and 4,000 to 10,000 celsius
The outermost layer of the sun and it is also known as the sun’s halo or crown
Corona
What is the temperature of the sun’s crown also known as corona
2 million degrees celsius to 5 million degrees celsius
It is the objects surrounding the sun
Planets
What is the three main classification for an object to be considered a true planet
The object must be orbiting the sun
It should be nearly spherical
It should be large enough
It is the second densest planet next to earth
It revolves around the sun within 88 days and it rotates on its own axis once every 59 days
Mercury
It is named after the roman god of merchandise and merchants
Mercury
It is the hottest planet in the solar system because it’s atmosphere is composed of around 96.5% carbon dioxide chopping heat that causes greenhouse effect.
Venus
It is named after the roman god of love and beauty
Venus
It is also known as earth’s twin
Venus
It is the only planet in the solar system that has liquid oceans although mars may have had them in the olden days
Earth
It is the only planet that can support life
Earth
It has the largest dust storms in the solar system
Mars
It is the fourth brightest object in the solar system
Jupiter
It is the second largest planet in the solar system
Saturn
It is also known as the ring planet
Saturn
It is named after the roman god of agriculture
Saturn
It is the coldest atmosphere having a mean temperature of -197 celsius and -322 fahrenheit
Uranus
It is named after the greek god of the sky
Uranus
_____Has a very active climate among the largest storms that occurred on the planet was recorded in 1989 this phenomenon was called______which lasted about 5 years
Neptune and great dark spot
The sun its planets and all the objects moving around them collectively are called
Solar system
Comes from greek word which means wondering star
Planet
Give the Inner planets
Mercury venus mars and earth
Give the outer planets
Jupiter saturn uranus and neptune
It is the closest planet to the sun
Mercury
The innermost planet
Mercury
Is surrounded by thick cloud cover that is why it is called veiled planet
Venus
It is also known as the morning star or evening star
Venus
It is also known as wattery planet because 70% of its surface is covered by water
Earth
It has 22 known satellites
Saturn
Its core is very rocky
Uranus
It has 27 known satellites
Uranus
Was the first planet found by mathematical prediction
Neptune
It completes an orbit on average every 164.79 years
Neptune
How many days does saturn finish one revolution around the sun
10,759 earth days
How many days does saturn finish one revolution around the sun
10,759 earth days
It is known as the jewel planet
Saturn
