The Planets Some images. 3 kinds of Solar System Object Rocky Gassy Icy How can you tell? What happens when you step on it?

The Planets

Some images

3 kinds of Solar System Object3 kinds of Solar System Object

RockyGassy

Icy

How can you tell? What happens when you step on it?

• Mercury

☿

0 moons

Mariner

Messenger images

Mercury in 2008

Messenger images

Mercury in 2008

Check out the cool Rays!

• Venus

♀

Image in UV

0 moons

Magellan - Venera

• Venus – from Magellan radar data

• Venus – Elevation map

Views from Venera – Russian Lander on Venus

The Earth

• Look outside

⊕

1 moon

LandSAT – Ikonos - NOAA

Kathmandu

South

Georgia

• The Moon

• Mars

♂

2 moons

Mariner – Viking – MGS – Opportunity

Phobos22.2 km across

TakenfromMarsExpress

• Deimos

• 12.6km across

• Mars

• Mars

3 Juno

1 Ceres

<- Dawn – Launched 2007 ->

• Gaspra

• Ida – Dactyl - Gaspra

• Last image from Eros – NEAR/Shoemaker

• Jupiter

♃

63* moons

Pioneer – Voyager Galileo

• Jupiter

• Saturn

♄

60* moons Voyager

• Saturn

• Saturn

• Uranus

♅

27* moons

Voyager

• Neptune

♆

13* moons

Voyager

• Neptune

• Neptune

• Pluto

♇

3 moons

Pluto CharonHST

• Eris (formerly UB 313 – Xena)

• 1 moon• Dysnomia

(formerly Gabrielle)

Quaoar

How to discover a TNO (or for that matter, a comet, or asteroid). Take 3 images, align the stars, and blink between them, the moving thing is the object you are looking for.

Haumea2 moons

Makemake0 moons

Other potential “dwarf planets”

Haumea2 moons

Makemake0 moons

Comets

• Comet 1P/Halley

• Comet 81P / Wild 2

Comet Shoemaker/Levy 9 hitting Jupiter (lower left of Jupiter)

DisclaimerAloha

I put together these power points for use in my science classes.You may use them in your classes.

Some images are public domain, some are used under the fair-use provisions of the copyright law, some are mine. Copyright is retained by the owners!

Ted Brattstrom