Planetary Science

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Effects of space on humans

Skin

Without an atmosphere for protection the body is exposed to high amount of solar radiation which can lead to high rates of tissue breakdown and can lower immunity

Bones and Muscles

Without gravity, bones are no longer needed to support your body. As a result, you may lose 1.5% of bone tissue per month of being in microgravity Muscles begin to weaken also due to the lack of forces against them

Body Fluids

Body fluids begin to decrease equally, causing “bloating” Blood pressure may change, causing astronauts to pass out_ when they first come back from space until the body reacts to our Earth’s conditions

Lack of Gravity

Interaction between star, planets and satellites

Great example to explain this is the sun,moon, earth system.

Special Tides: Spring Tides Spring Tides: The Sun and Moon are in line with one another When Their gravitational pull is combined The Tides are higher than normal

The gravitational pull of the Moon and Sun both contribute to ocean tides on Earth.

The Moon orbits around the Earth about once every 29 days.

The Moon produces a tidal bulge under which the Earth rotates producing 2 high tides and 2 low tides per day ie. every 6 hours

Causes the different shape of the moon we see on earth

The Sun and the Moon have a significant effect on the Earth. The system is complex and dynamic.

Composition of planets

TERRESTRIAL PLANETS FORMATION:

Terrestrial planets formed

Rocky particles began to clump

Gases condense into rocky particles

For Jovian planets

Jovian planets formed

Planetesimals accrete more

Clumps form planetesimals

These clumps accrete more

Icy particles began to clump

Gases condense into icy particles

The Terrestrial Planets formed close to the Sun where temperatures were well suited for rock and metal to condense. The Jovian Planets formed outside what is called the frost line,where temperatures were low enough for ice condensation.

Planets in our solar system have differnet compostition depend on where they are in relation to our Sun.

There's 4 inner and 4 outer planets

Asteroids, meteors, meteoroid, meteorite

A meteor is the millisecond streak of light and heat produced when a meteoroid burns up in the atmosphere. Mistakenly termed “shooting stars”.

A meteorite is the part of the meteoroid that does not burn up in the atmosphere. When meteorites hit the surface, they may form an impact crater.

A meteoroid is any debris that falls toward the Earth. Meteoroids range in size from molecules to asteroids.

Asteroid is Rock debris with pitted and irregular surfaces.They represent the composition of the early Solar System

The role of gravity

The role of gravity which causes the existence of planet.

Formation of sun

Then the sun is born

When the core is hot enough, fusion occurs. Once there is a balance between the inward weight and the outward pressure, the collapse stops

As the collapse continues, the density increases, causing temperatures and pressures to rise. Once the pressure is high enough, the gas cloud becomes a protostar

When the solar nebula collapses, different clumps of gas are created They collide and merge to form a flat rotating disk

As the solar nebula's radius shrinks, it spins faster and faster.

The temperature of the solar nebula increases as it collapses due to gravity

As the solar nebula collapses under its own gravity,

Comet orbits, periodic comets

Comet orbits around the sun when they pass the sun they become visible.

There's a periodic comets that was discover by Edmund Halley. It is call halley's comet

Interplanetary debris

Debris left over from formation of the Solar System

Planetesimal Formation

Sometimes they destroyed each other but most often they grew larger

Grew from small to massive objects over thousands of years

Tiny grains of matter combined/collided

Solar system

A tiny part of a galaxy known as the Milky Way

Our solar system is elliptical in shape

Interstellar Cloud

The solar system formed from the collapse of an interstellar cloud.

The dust and starlight reflects off of the dust with causes interstellar clouds often apprear as blotches of light and dark.

Consis mostly of hydrogen and helium gas with small amounts of other elements and dust.

Stars and planets form from interstella clouds, which exist in space between stars

Planetary Science

Pooja Shah, What is Science: Summative Evaluation

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glossary of biomechanics

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Effects of space on humans

Skin

Without an atmosphere for protection the body is exposed to high amount of solar radiation which can lead to high rates of tissue breakdown and can lower immunity

Bones and Muscles

Without gravity, bones are no longer needed to support your body. As a result, you may lose 1.5% of bone tissue per month of being in microgravity Muscles begin to weaken also due to the lack of forces against them

Body Fluids

Body fluids begin to decrease equally, causing “bloating” Blood pressure may change, causing astronauts to pass out_ when they first come back from space until the body reacts to our Earth’s conditions

Lack of Gravity

Interaction between star, planets and satellites

Great example to explain this is the sun,moon, earth system.

Special Tides: Spring Tides Spring Tides: The Sun and Moon are in line with one another When Their gravitational pull is combined The Tides are higher than normal

The gravitational pull of the Moon and Sun both contribute to ocean tides on Earth.

The Moon orbits around the Earth about once every 29 days.

The Sun and the Moon have a significant effect on the Earth. The system is complex and dynamic.

Composition of planets

TERRESTRIAL PLANETS FORMATION:

Terrestrial planets formed

Rocky particles began to clump

Gases condense into rocky particles

For Jovian planets

Jovian planets formed

Planetesimals accrete more

Clumps form planetesimals

These clumps accrete more

Icy particles began to clump

Gases condense into icy particles

The Terrestrial Planets formed close to the Sun where temperatures were well suited for rock and metal to condense. The Jovian Planets formed outside what is called the frost line,where temperatures were low enough for ice condensation.

Planets in our solar system have differnet compostition depend on where they are in relation to our Sun.

There's 4 inner and 4 outer planets

Asteroids, meteors, meteoroid, meteorite

A meteor is the millisecond streak of light and heat produced when a meteoroid burns up in the atmosphere. Mistakenly termed “shooting stars”.

A meteorite is the part of the meteoroid that does not burn up in the atmosphere. When meteorites hit the surface, they may form an impact crater.

A meteoroid is any debris that falls toward the Earth. Meteoroids range in size from molecules to asteroids.

Asteroid is Rock debris with pitted and irregular surfaces.They represent the composition of the early Solar System

The role of gravity

The role of gravity which causes the existence of planet.

Formation of sun

Then the sun is born

When the core is hot enough, fusion occurs. Once there is a balance between the inward weight and the outward pressure, the collapse stops

As the collapse continues, the density increases, causing temperatures and pressures to rise. Once the pressure is high enough, the gas cloud becomes a protostar

When the solar nebula collapses, different clumps of gas are created They collide and merge to form a flat rotating disk

As the solar nebula's radius shrinks, it spins faster and faster.

The temperature of the solar nebula increases as it collapses due to gravity

As the solar nebula collapses under its own gravity,

Comet orbits, periodic comets

Comet orbits around the sun when they pass the sun they become visible.

There's a periodic comets that was discover by Edmund Halley. It is call halley's comet

Interplanetary debris

Debris left over from formation of the Solar System

Planetesimal Formation

Sometimes they destroyed each other but most often they grew larger

Grew from small to massive objects over thousands of years

Tiny grains of matter combined/collided

Solar system

A tiny part of a galaxy known as the Milky Way

Our solar system is elliptical in shape

Interstellar Cloud

The solar system formed from the collapse of an interstellar cloud.

The dust and starlight reflects off of the dust with causes interstellar clouds often apprear as blotches of light and dark.

Consis mostly of hydrogen and helium gas with small amounts of other elements and dust.

Stars and planets form from interstella clouds, which exist in space between stars

formation of moon and its features

It's features:

Lunar Maria and Lunar Craters are the unique things on moon

One days on earth days equal to 27.3 days on moon

Formation:

Debris melted together to form the Moon

Caused by impact of Mars-sized “planetesimal” on Earth

Formed 4-5 billion years ago

Relationship between our solar system and The Milky Way

Our solar system is part of the milkyway

Benefits of Space Exploration

Water Filters

Cordless Tools