Sun, Moon, Earth,

How do they work together to help life survive?

our sun

The inside stuff:• Core:

The inside stuff:• Core:

– The inner most layer of the sun.

The inside stuff:• Core:

– The inner most layer of the sun.

– Temperatures in the core reach about 15,000,000 °C.

The inside stuff:• Core:

– The inner most layer of the sun.

– Temperatures in the core reach about 15,000,000 °C.

– Nuclear fusion happens here.

The inside stuff:• Core:

– The inner most layer of the sun.

– Temperatures in the core reach about 15,000,000 °C.

– Nuclear fusion happens here.

– The energy produced at the core today will not reach the surface of the sun for a few hundred thousand years.

The inside stuff:• Radiation Zone:

The inside stuff:• Radiation Zone:

– A zone of tightly packed gases.

The inside stuff:• Radiation Zone:

– A zone of tightly packed gases.

– Transfers the energy from the core in the form of electromagnetic energy.

The inside stuff:• Radiation Zone:

– A zone of tightly packed gases.

– Transfers the energy from the core in the form of electromagnetic energy.

– The temperature ranges from 2,000,000°C to 7,000,000°C.

The inside stuff:• Convection zone:

The inside stuff:• Convection zone:

– Outermost layer of the sun’s interior.

The inside stuff:• Convection zone:

– Outermost layer of the sun’s interior.

– Convection currents here keep the energy moving towards the surface of the sun.

The inside stuff:• Convection zone:

– Outermost layer of the sun’s interior.

– Convection currents here keep the energy moving towards the surface of the sun.

– The temperature ranges from 2,000,000°C to 5,900 °C.

The inside stuff:

Convection zone

Radiation zone

Core

The Atmosphere:• Photosphere:

The Atmosphere:• Photosphere:

– The visible portion of the Sun.

The Atmosphere:• Photosphere:

– The visible portion of the Sun.

– Means sphere that gives off light.

The Atmosphere:• Photosphere:

– The visible portion of the Sun.

– Means sphere that gives off light.

– The temperature is about 6,000°C.

The Atmosphere:• Chromosphere:

The Atmosphere:• Chromosphere:

– The portion that radiates most of the ultraviolet light.

The Atmosphere:• Chromosphere:

– The portion that radiates most of the ultraviolet light.

– The temperature is about 10,000°C.

The Atmosphere:• Corona:

The Atmosphere:• Corona:

– Extends several million kilometers from the “surface” of the sun.

The Atmosphere:• Corona:

– Extends several million kilometers from the “surface” of the sun.

– The temperature is about 1,000,000°C.

The Atmosphere:• Corona:

– Extends several million kilometers from the “surface” of the sun.

– The temperature is about 1,000,000°C.

– Most of the Sun’s X-ray energy comes from here.

The Atmosphere:• Solar Winds:

The Atmosphere:• Solar Winds:

– A stream of charged particles that are “blown” away from the sun.

The Atmosphere:

Features of the Sun:• Sunspots:

Features of the Sun:• Sunspots: Cooler areas on the

Sun’s “surface”.

Features of the Sun:• Sunspots: Cooler areas on the

Sun’s “surface”.– Caused by magnetic fields on the

“surface” of the sun.

Features of the Sun:• Sunspots: Cooler areas on the

Sun’s “surface”.– Caused by magnetic fields on the

“surface” of the sun.

– As cool as 4,000 °C.

Features of the Sun:• Sunspots: Cooler areas on the

Sun’s “surface”.– Caused by magnetic fields on the

“surface” of the sun.

– As cool as 4,000 °C.

– Run in cycles of about 11 years.

Features of the Sun:

Sun spots:

Features of the Sun:• Solar Prominences:

Features of the Sun:• Solar Prominences: Gases trapped

in the magnetic field lines that connect sun spots.

Features of the Sun:• Solar Prominences: Gases trapped

in the magnetic field lines that connect sun spots.– Can rise up to 100,000 km above the

“surface” of the sun.

Solar Prominence:

•

Features of the Sun:• Solar Flares:

Features of the Sun:• Solar Flares: Happen when solar

prominences connect together.

Features of the Sun:• Solar Flares: Happen when solar

prominences connect together.– Super heated gases (millions of

degrees) on the “surface” erupt into space.

Solar Flares:

Coronal Mass Ejection: