york university presents… in collaboration with the astronomical observatory a tour through the...
TRANSCRIPT
York University Presents…
In collaboration with the Astronomical Observatory
A Tour Through
the Solar System
The Sun
Centre of it All
The Sun
Centre of it All
The Sun
Surface Temperature:
One day:
5777 K
~25 Earth days
The Sun
Centre of it All
S o l a r E c l i p s e
The Sun
Mercury
Closest to the Sun
Mercury
Mission:
Arrival:
Moons:
Solar day:
One Year:
Messenger
2011
0
2 Mercury years
~88 Earth days
Mercury
Closest to the Sun
Mercury
Transit of Mercury on May 7, 2003
MercurySunspot
Venus
Brightest in the Sky
Venus
Mission:
Arrival:
Moons:
Solar day:
One Year:
Venus Express
Now!
0
~1/2 Venus year
~225 Earth days
Venus
Brightest in the Sky
Venus
Exaggerated 3-D Reconstruction of Venus’ Surface
Sif MonsVires Akka Chasm
Venus
Brightest in the Sky
VenusFrom Earth, Venus appears to have phases like the moon.
Swedish 1m Solar Telescope08Jun2004 06:18:54 UT
Venus’ Atmosphere
Venus(The Transit)
Earth
The Planet of Life
Earth
The Planet of Life
Earth
Missions:
Moons:
Solar day:
One Year:
Many!
1 + …
24 hours
365.24 Earth days
Earth
The Planet of Life
EarthAnd Moon System
Earth
The Planet of Life
Earth(Meteors and Meteorites)
Barringer Crater
Chondrite Iron
Mars
Warrior in Red
Mars
Mars: August 2004
Missions:
Arrival:
Moons:
One day:
One Year:
Every ~2 years
Now!
2
24.62 hours
~687 Earth days
Mars
Warrior in Red
2-D Map of Mars
Warrior in Red
Argyre Basin
Warrior in Red
OlympusMons
Valles Marineris
Valles Candor Chasma
Mars
Mars
Warrior in Red
Mars
Mars Express
first colour Spirit image
(Explorations)
Phoenix Lander + Parachute imaged by the Mars Reconnaissance Orbiter
Ice a few cm under Mars’ surface exposed by the Phoenix lander’s jets?
Mars
Warrior in Red
Mars(Moons)
Deimos
Phobos
Asteroids
A Belt in Space
Asteroids
A Belt in SpaceIda
Dactyl
Gaspra
Mathilde
Eros
Itokawa
Jupiter
King of the Night
Jupiter
Mission:
Arrival:
Moons:
One day:
One Year:
Juno
2016
63 (for now)
~10 hours
~12 Earth years
Jupiter
King of the Night
Jupiter
Voyager Resolution Galileo ResolutionGreat Red Spot
King of the Night
The 4 Galilean Moons
ThebesAmalthea
Metis
(Moons)
Jupiter
King of the Night
Jupiter(Moons) - Callisto
King of the Night
(Moons) - Europa
King of the Night
(Moons) - Ganymede
Osiris Crater
King of the Night
(Moons) - Io
Saturn
Lord of the Rings
Saturn
Mission:
Arrival:
Moons:
One day:
One Year:
Cassini
Now!
60 (for now)
10 2/3 hours
~30 Earth years
Saturn
Lord of the Rings
Saturn
Saturn
Lord of the Rings
Saturn(Moons)
Lord of the Rings
DioneEnceladus
Iapetus
Lord of the Rings
MimasRhea
Phoebe
Lord of the Rings
Titan: the only moon
with an atmosphereTethys
Image of Titan’s surface taken from the Huygens lander
in 2005.
Those aren’t rocks; they’re
ice blocks!
Titan is an ice desert moon: it’s very cold, but too warm
for liquid methane. Its surface has
dry methane streambeds
except at the poles, where
there are methane lakes:
Uranus
Shakespeare’s Muse
Uranus
Mission:
Arrival:
Moons:
One day:
One Year:
Voyager 2
1986
27 (for now)
~17 hours
~84 Earth years
NeptuneA “Watery”
Grave
Neptune
Mission:
Date:
Moons:
One day:
One Year:
Neptune Orbiter +Triton lander/probe?
2026?
13 (for now)
~16 hours
~165 Earth years
NeptuneA “Watery”
Grave
Neptune
Rings of Neptune
NeptuneA “Watery”
Grave
(Moons)
Despina Galatea LarissaNaiad
NereidProteus Thalassa
NeptuneA “Watery”
Grave
(Moons - Triton)
Neptune
Pluto
The Most Debated
Mission:
Arrival:
Moons:
One day:
One Year:
New Horizons
2015
3
~6.4 Earth days
~248 Earth years
Pluto
Pluto
The Most Debated
Pluto
The Most Debated
Pluto
Pluto
Pluto
The Most Debated
(moon – Charon)Pluto
Kuiper Belt dwarf planet
Eris
and its moon
Dysnomia
Kuiper Belt Objects
Edge of the SystemArtist’s View
(Sedna)
Kuiper Belt Objects
Edge of the System
Comet HalleyComet Hyakutake - 1996
Heart of Wild2
(Comets)
The Solar System
(As a Whole)
-Mercury: 0.8 yards
-Venus: 1.4 yards
-Earth: 2 yards
-Mars: 3 yards
-Asteroid Belt: 4-8 yards
-Jupiter: 10.5 yards diameter 1/16”
19 yards 38 yards 60 yards 79 yards
-Voyager 1 is well out of the parking lot
Sun: goal linediameter 2/3”
These facts and figuresCourtesy of solarsystem.nasa.gov/