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Earth is changing
Planets of our Solar system
made possible by NASA
is the smallest of the eight planets.
It is also the closest to the sun.
Mercury goes around the sun the fastest
of all the planets. Mercury has no moons.
The Romans named Mercury after the
messenger for their gods.
The Roman Mercury had wings on his
helmet and shoes. He could travel very
quickly from place to place.
The planet Mercury moves quickly
around the sun. That's how it got its name.
Mercury goes around the sun once
every 88 Earth days.
One day on Mercury lasts 59 Earth days.
Mercury is a little bigger than Earth's moon.
It is made of heavier materials, like iron.
If you weigh Mercury and the moon,
Mercury would weigh a lot more.
It would take more than 18 Mercurys
to be as big as Earth.
The surface of Mercury looks like Earth's moon.
It is covered with impact craters.
Mercury has no blanket of air around it.
Mercury can be very hot. At night,
Mercury gets very cold.
Humans could not live on Mercury!
is a dim world of intense heat
and volcanic activity, similar in
structure and size to Earth.
Venus' thick, toxic atmosphere traps heat.
The scorched world has temperatures
hot enough to melt lead.
Surface temperature is very hot:
864 degrees Fahrenheit.
Volcanoes and deformed mountains are
on Venus' surface.
Venus spins slowly in the opposite
direction of most planets.
The sun is 67 million miles away.
One Year equals about 225 Earth days.
One Day equals about 243 Earth days.
Diameter: About 7,500 miles.
The atmosphere of Venus consists of:
Carbon dioxide, nitrogen.
Our home: Earth
40075 km = 24901 mi equator
Earth's surface area land:
148,940,000 km2 = 57506055 square mi.
71% of Earth's surface is covered
Earth has plates that are moving
all the time riding on the Asthenosphere.
Earth has one moon.
Earth spins around the sun in one year.
Earth is the only planet feeding Humans..
See photos and graphics of Earth
is the fourth planet from the sun.
from the sun.
Its about one-sixth the size of Earth.
Mars gets its red color from the iron
in its soil.
Mars has two small moons
named Phobos and Deimos.
The Romans named Mars after
their God of war.
With an average temperature of
minus 80 degrees, Mars is very cold.
It has rocky with canyons, volcanoes
Red dust covers almost all of Mars.
Mars has clouds and wind.
Dust storms are common.
Mars has about one-third the gravity
of Earth. Things weigh less on Mars.
10 kg are only 3.7 kg on Mars.
Spacecrafts are circling above Mars.
Two moving robots, called rovers,
are exploring Mars' surface.
is the largest planet in the solar system.
Jupiter is so big that all the other planets
in the solar system could fit inside it.
Over 1,300 Earths would fit inside Jupiter.
Jupiter was named by the Romans. Jupiter was
the king of the gods in old Roman legends.
Jupiter is made of gases, so it is not solid.
This giant ball of gas is covered in thick red,
brown, yellow and white clouds. The clouds
make the planet look like it has stripes.
Jupiter is very windy.
Its winds blow more than 400 mph.
Jupiter is famous for its Great Red Spot,
a swirling, giant spinning storm.
Almost 3 1/2 Earths would fit across the storm.
There are three thin rings around Jupiter
but hard to see, made out of dust particles.
Jupiter spins, faster than any other planet.
Earth takes almost 24 hours to spin once.
Jupiter only takes 10.
One day on Jupiter is about 10 hours long.
Jupiter takes 12 Earth years to
make one trip around the sun, meaning
one year on Jupiter is 12 years on Earth.
It is very cold on Jupiter.
Gravity on Jupiter is higher than on Earth.
10 kg on Earth would be ~24 kg on Jupiter.
Jupiter has 53 named moons, 14 more unnamed.
The names of the four largest moons are:
Ganymede - Callisto - Io - Europa
Ganymede is the largest moon in
the solar system,
larger than Mercury and Pluto.
Callisto is covered with craters,
Io has a lot of volcanoes.
Europa is covered with water ice.
is much larger than Earth.
More than 700 Earths could fit inside Saturn.
It is not the only planet with rings.
Jupiter, Uranus and Neptune have rings,
but Saturn's rings are bigger and brighter.
1610, Galileo saw Saturn's rings through
Saturn's rings are made of ice and rock.
These pieces are as small as a grain of sand
others are as large as a house.
Scientists think the rings might have something
to do with Saturn's many moons.
At least 60 moons orbiting Saturn.
Asteroids and meteoroids sometimes crash
into these moons and break them into pieces.
The rings could be made from these broken pieces.
Saturn has seven large rings.
Some of the rings are close together.
Others have large gaps between them.
The rings do not sit still,
circling around Saturn at very high speeds.
Each large ring is made up of many small rings.
Saturn's rings are thousands of miles wide,
but are only about 30 to 300 feet thick.
is the only giant planet whose equator is
nearly at right angles to its orbit.
A collision with an Earth-sized object
may explain the unique tilt.
Nearly a twin in size to Neptune,
Uranus has more methane in its mainly
hydrogen and helium atmosphere
than Jupiter or Saturn.
Methane gives Uranus its blue tint.
~1.8 billion miles away from the sun.
One Year equals 84 Earth years.
One Day equals 17 Earth hours.
Diameter: About 31,500 miles.
Uranus temperature: -357 degrees Fahrenheit
Atmosphere: Hydrogen, helium, methane.
is an ice giant.
~ 4.5 billion km (2.8 bill. mi) from the Sun.
Neptune orbits the Sun once every 165 years.
It is invisible to the naked eye because of
its extreme distance from Earth.
The magnetic field of Neptune is about
27 times more powerful than that of Earth.
Neptune's blue color is the result of
methane in the atmosphere.
Neptune's atmosphere extends to great depths,
gradually merging into water and other melted
ices over a heavier, Earth-size solid core.
Neptune's winds can be nine times stronger
Neptune has six known rings and
14 known moons, six of which were
discovered by Voyager 2 NASA.
The largest got the name Triton.
Neptune was named after the
Roman god of the sea.
Graphic of our Solar system
Sizes of planets vary
Different planets - gas or solid - Earth's Solar system
Earth would be very different without our Moon
Earth would be very different without our sun!
Earth facts and numbers
Earth facts + numbers
Maps of Earth
Climate Change Solutions
Life on Earth
Keep Earth clean
Earth's solar system
Info about NASA
Earth from Space
BSB Information on Earth:|
- Why is Earth called the blue planet?
- Why Earth has continents?
- Why Earth has earthquakes?
- Earth, the only home for Humans?
- Earth's solar system is special
- Why is Earth sick?
- Earth climate is changing
- Earth uncountable species
- Astonishing photos from Earth
Better in-depth knowledge helps us preserve |
and not to destroy Earth - as we know it -
A good environmental education helps us to understand Nature
and to deal with coming changes + challenges.
Contact BSB - learn to understand Nature!
|Nature preserves Lectures Earth Changes Keep Bandera|
Conservation Education (CE) is the combination of two words that have become one word to educators.|
CE is the ability to give people opportunities to grow in knowledge and create changes to their life style and their environment,to have a better life, to have a safer future!
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Our Earth - - Why is Earth sick? - - Our Future??
Graphics of Earth's solar system - Earth's Atmosphere
About Life on Earth - - The Gulf stream
Quiz Earth Oceans - - Nature Quotes - - Bacteria uncountable numbers
Hear and feel the wonders of Earth
Keep Earth Beautiful - - Save Earth
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