1. Sun
The Heat Is On!

2. Sun Characteristics Diameter : 865,374 miles Mass : 1.989 x 1030 kg
333X larger than the Earth
Density : 1.62 x 105 kg/m3
Surface Gravity : m/sec2
28X stronger than the Earth
Volume : x 1018 km3
1,300,000 larger than the Earth

3. Objects Orbiting The Sun
Eight Planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Asteroid Belt
Between Mars & Jupiter
Kuiper Belt & Oort Cloud
Comet fields beyond Neptune
Dwarf Planets
Ceres, Pluto, Haumea, Makemake, Eris
Tran-Neptunian Objects
- Charon, Huya, Ixion, Orcus, Quaoar, Varuna

4. Sun’s Interior Core Radiative Zone Convection Zone “Center Of The Sun”
15,000,000 K
Radiative Zone
Individual photon collisions
2,500,000 K
Convection Zone
Hot gas rises & cold gas sinks
2,000,000 K

5. Layers Of The Sun Photosphere Chromosphere Corona “Surface Of The Sun”
6,000 K
Chromosphere
2,000 K above photosphere
4,000 K – 20,000 K
Corona
Outermost layer of the sun
1,000,000 K (Electrically-charged particles)

6. Features Of The Sun Sunspots Prominence Solar Flare
“Black spots on the Sun”
Cooler areas on Sun’s surface
Prominence
Reddish loops of gas
Link sunspot regions
Solar Flare
Large, violent eruption of gas
Coronal Mass Ejection
Huge, balloon-shaped volumes of electrically-charged gas

7. Sun Discovery Ulysses – 1990 SOHO – 1996 Genesis – 2001 Hinode – 2006
Studied the orbit of the Sun
SOHO – 1996
Solar and Heliospheric Observatory
Studied Sun and discovered Comets
Genesis – 2001
Returned sample of solar wind
Hinode – 2006
Studied magnetic fields of the Sun
STEREO – 2006
Solar TErrestrial RElations Observatory
Studies Coronal Mass Ejections

8. Sun Facts Known as Sol (Roman mythology) About 4.6 billion years old
1 million Earths could fit inside the Sun
It takes 8 minutes, 20 seconds for sunlight to reach Earth
Made up 73.46% Hydrogen and 24.85% Helium

9. Solar & Lunar Eclipse Video
Solar Eclipse
Lunar Eclipse

10. Literature Cited If.ufrj.br/teaching/astron/miranda.html
Bobthealien.co.uk/miranda.htm
Nineplanets.org
Seasky.org/solar-system
Solarviews.com