Tour of Solar System

7/21/2019 Tour of Solar System

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The SunThe Sun The Sun is a star.The Sun is a star.

It is 4,500 million years oldIt is 4,500 million years old It takes 8 minutes for its light toIt takes 8 minutes for its light to

reach the Earth.reach the Earth.

98.6 mass of the Solar System98.6 mass of the Solar System

!onsists of "ydrogen #$4% and!onsists of "ydrogen #$4% and

"elium #&4%"elium #&4%

' (adius) 695,000 km(adius) 695,000 km' *ass) +++,000 Earths*ass) +++,000 Earths' Surface Tem-erature) 5,500 !Surface Tem-erature) 5,500 !

' !ore Tem-erature) /5,500,000 !!ore Tem-erature) /5,500,000 !







MercuryMercury

Scans indicate that cratersScans indicate that cratersat the -oles contain aterat the -oles contain ater

ice.ice.

Tem-eratures reachTem-eratures reach450450!! during the day. 1tduring the day. 1t

night, the tem-eraturenight, the tem-erature

dro- to 2/$0dro- to 2/$0!!..

' (adius) &400 km(adius) &400 km' *ass) +.+0 3 /0*ass) +.+0 3 /0&+&+ kgkg

' istance from Sun) 58 million km #0.+8 1%istance from Sun) 58 million km #0.+8 1%



*ercury Earth Sie !om-arison



VenusVenus

Surface tem-eratures areSurface tem-eratures area constant 500a constant 500! due to! due tothick atmos-herethick atmos-here

The atmos-here is 95The atmos-here is 95!ar7on io3ide!ar7on io3ideenus rotates in theenus rotates in the

o--osite direction to othero--osite direction to other

-lanets in the Solar-lanets in the SolarSystem.System.

' (adius) 6500 km(adius) 6500 km' *ass) 4.86 3 /0*ass) 4.86 3 /0&4&4 kgkg

' istance from Sun)istance from Sun) /08 million km #0.$& 1%/08 million km #0.$& 1%



Thick cloud coer 7lanketing enus

*ountain ranges on enus taken

ith (adar. :ote the metallic sno.



EarthEarth

(adius) 6,400 km(adius) 6,400 km

*ass) 5.8 3 /0&4 kg*ass) 5.8 3 /0&4 kgTem-erature) 280 to 60 !Tem-erature) 280 to 60 !

istance from Sun)istance from Sun) /46 million km #/ 1%/46 million km #/ 1%

Surface is $0 coered 7y ater.Surface is $0 coered 7y ater.

;er &&00 manmade satellites in or7it;er &&00 manmade satellites in or7it

http://www.esa.int/esaCP/SEMHDJXJD1E_FeatureWeek_0.html





MarsMars

Surface tem-eratures areSurface tem-eratures are7eteen 07eteen 0! and 2/00!! and 2/00!

"as the highest mountain"as the highest mountain

in the Solar System < thein the Solar System < the;lym-us *ons #&4km;lym-us *ons #&4km

high and 600km ide athigh and 600km ide at

the 7ase%the 7ase%

' (adius) +400 km(adius) +400 km' *ass) 6.4 3 /0*ass) 6.4 3 /0&+&+ kgkg

' istance from Sun)istance from Sun) &&8 million km #/.5 1%&&8 million km #/.5 1%





Size comparison of the Inner Planet



1steroid =elt 1steroid =elt

' >ocated 7eteen

?u-iter and *ars

' "as a darf -lanet,

!eres < 950km indiameter

' @raity from ?u-iter

-reented de7risfrom forming into a

-lanet



!eres < the darf -lanet

@as-ro < a 400km2long

asteroid



?u-iter ?u-iter *ade u- of 90*ade u- of 90

hydrogen, /0 heliumhydrogen, /0 helium -ro7a7ly has a core of-ro7a7ly has a core of

rocky material of /0 torocky material of /0 to

/5 Earth2masses/5 Earth2masses

@reat (ed S-ot < a@reat (ed S-ot < astorm that has 7eenstorm that has 7een

raging for oer +00raging for oer +00

years. 1s 7ig as &years. 1s 7ig as &

Earths.Earths. "as oer 6+ moons"as oer 6+ moons

' (adius) $/000 km(adius) $/000 km' *ass) /.9 3 /0*ass) /.9 3 /0&$&$ kgkg

' istance from Sun)istance from Sun) $80 million km #5.& 1%$80 million km #5.& 1%





Time2la-se animation from oyager I on a--roach to ?u-iter.Time2la-se animation from oyager I on a--roach to ?u-iter.



Ahile "iding =ehind The Sun,

?u-iter >oses ;ne ;f Its =elts



IoIo < The most olcanically

actie o7Bect in the Solar

System

EuropaEuropa < ice2

coered moon that

may har7our life



SaturnSaturn

$5 hydrogen, &5 helium ith a rocky core and liCuid$5 hydrogen, &5 helium ith a rocky core and liCuid

hydrogen mantle.hydrogen mantle.

The rings are &50000km in diameter 7ut only / km thick.The rings are &50000km in diameter 7ut only / km thick. "as +4 named moons"as +4 named moons

' (adius) 60000 km(adius) 60000 km' *ass) 5.$ 3 /0*ass) 5.$ 3 /0&6&6 kgkg

' istance from Sun)istance from Sun) /400 million km #9.5 1%/400 million km #9.5 1%



SaturnDs (ings shoing

s-oke formations

*imas < a small moon

of Saturn



ranusranus !om-osed mainly of rock!om-osed mainly of rock

and arious icesand arious ices

"as a tilt of 9$"as a tilt of 9$ so so

rotates on its siderotates on its side

has &/ named moonshas &/ named moonsand 6 unnamedand 6 unnamed

Surface tem-erature ofSurface tem-erature of

5050F #2&&+!%F #2&&+!%

' (adius) &5000 km(adius) &5000 km' *ass) 8.$ 3 /0*ass) 8.$ 3 /0&5&5 kgkg

' istance from Sun)istance from Sun) &900 million km #/9.& 1%&900 million km #/9.& 1%



:e-tune:e-tune The e3istence of :e-tuneThe e3istence of :e-tune

as -redicted as it asas -redicted as it asnoticed that ranusD or7itnoticed that ranusD or7it

did not fit ith :etonDsdid not fit ith :etonDs

las 2 another -lanet mustlas 2 another -lanet must

7e influencing ranusG7e influencing ranusGor7it.or7it.

iscoered in /846iscoered in /846

Se-tem7er &0// marksSe-tem7er &0// marksone or7it since it asone or7it since it as

discoered.discoered. ' (adius) &5000 km(adius) &5000 km' *ass) / 3 /0*ass) / 3 /0&6&6 kgkg

' istance from Sun)istance from Sun) 4500 million km #+0 1%4500 million km #+0 1%



:e-tune:e-tune

shoing itsshoing itshoriontalhoriontal

a3is and ringa3is and ring

formationsformations



!louds high in

the atmos-here

of :e-tune



HlutoHluto

ongraded from -lanetD to darf -lanetD in &006ongraded from -lanetD to darf -lanetD in &006

Smaller than The *oonSmaller than The *oon

"as one moon 2 !haron"as one moon 2 !haron





Fui-er =eltFui-er =elt

' +0 to 55 1

' >ike the asteroid

7elt 7ut consisting

of de7ris made of

ices



;ort !loud;ort !loud

' "y-othetical source of

comets that stray into our

Solar System

' 50,000 1 from the Sun

Th *ilk ATh *ilk A



The *ilky AayThe *ilky Aay





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