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Sky Science

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Michelle Q

on 18 November 2015

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Transcript of Sky Science

By : Michelle Q
Sky Science
Table of Contents
Phases of the Moon ......................................................... 3

Facts about the moon ...................................................... 4

Neptune ............................................................................. 7-9

Seasons .............................................................................. 12

Daylight & Night ............................................................. 13

Rotation and Revolution .................................................. 14

Andromeda ....................................................................... 15-17

Voyager 2 ......................................................................... 19

More To Explore................................................................. 21
Phases of the moon
The phases of the moon go from right to left
(counter clock-wise). The first main phase is called
the waxing crescent it looks like this :
Next is the first
After that, it's called a waxing
Then finally there is a full
Now, it will become 'smaller' from left to right
(clock-wise). So instead of waxing, it's waning. Next it's waning
quarter which looks like this:
gibbous which is more than half:
moon:
gibbous:
Then it would become the last quarter:
Then afterwords it would come to a waning crescent again
The last phase of the cycle is called the
'New moon' which you can't see at all.
Facts about the moon
The moon itself does not emit light, it just simply reflects it.
The moon rotates the exact time as it spins, which means we
(on the Earth) can only see one face of the moon. That would explain
why there is a first and last quarter without the second and third, the
second and third quarter are on the other side of the moon which we
can not see.
Now it repeats in a predictable cycle.
The light it reflects is from the sun, the sun creates the phases of
the moon.
The moon moves in a counter clock wise way around the Earth.
As it spins with the Earth the sun will make the moon
seemingly glow during the night when the sun is on the
other side of the moon.
THE SUN
Mercury
Venus
Earth!
Mars
Jupiter
Saturn
Uranus
Neptune
Did you know?

~ Uranus and Neptune are sister planets because Uranus and Neptune look very similar - size and color.

~ Like Jupiter, Saturn and Uranus, Neptune is also a gas giant.

~ Neptune is a ball of gas that's icy and rocky but if you could stand on it then it would have around the same gravitation pull like Earth.

~ Neptune was visited once and they don't plan on visiting it again for a long time.

~ Neptune is a god of water and sea.

~ Neptune has the biggest storms in our solar system!
We live around here.
Neptune is 4.5 million kilometers away from the sun; it is the eighth
Neptune!
planet in our solar system. If you were to stay on Neptune, (somehow) a day would be 16 hours! The time it takes to orbit is 248 years! It has around 13 moons!----I wonder why they have more then one moon? It has 6 rings in total. As an average temperature is -184°C
Seasons
We have four seasons, the four seasons are called: Autumn , Winter, Spring and Summer. This is because the Earth is tilted. We separate seasons by the amount of time we get sunlight (Summer and Winter) or by how nature changes (Spring and Autumn). We are in the Northern hemisphere and the seasons would be the exact opposite for a person in the Southern hemisphere; if it was Summer for us it would be Winter in China. Which ever hemisphere is tilted towards the sun it would be around Summer.
Around here
Which ever hemisphere is tilted away from the sun means it's
around Winter.
Daylight &
Night
The amount of daylight changes according to the seasons.
Since the Earth is on a tilt while it orbits, the Northern hemisphere and the Southern hemisphere will get different amount of daylight throughout the year. When the Northern hemisphere is tilted towards the sun (Summer), it will orbit/rotate in a way that the Southern hemisphere will get some but not as much sunlight as the Northern hemisphere, since the Southern hemisphere will be in Winter.
Rotation and Revolution
There are 24 hours in a day, 7 days in a week, 4
weeks in a month and 12 weeks in a year. In 365.25 days the
Earth will orbit (revolve) around the Sun
once
. That extra .25 will
will take one day (24 hours) to rotate. Our Earth rotates very fast too.
eventually
add to one more day which is why we have a leap year. It
It rotates around 107300km per hour.
Asteroid belt
We have a total of 8 planets in our Solar system. Closest to the Sun is the planet Mercury. Next is the planet Venus, after comes the sister planet to Venus, our planet Earth. Mars comes afterward. These 4 planets are divided from the bigger planets by the Asteroid belt (Many asteroids together). Beyond the Asteroid belt are the gas giants (The planets that are mostly formed by gas). The closest planet to the Sun (Beside the Asteroid belt) is Jupiter the biggest planet. Next is the second biggest planet with the most rings- Saturn. Farther away are the two sister planets Uranus and Neptune~
The Constellation Andromeda
The constellation Andromeda appears near the end of May all the way to March Andromeda is also close to Perseus her lover, Pegasus the stead to save her, her mother, the queen, Cassiopeia and her father, the king, Cepheus. I will tell you a mythology about a Princess named Andromeda and how she ended up in the sky above.
Andromeda
Mythology of Andromeda
The king Cepheus of Ethiopia married Cassiopeia. They had a daughter name Andromeda. Cassiopeia claimed that her daughter was more beautiful than the sea nymphs. The sea nymphs over hearing, became jealous. They protested the the sea god, Poseidon. Poseidon agreed to punish Cassiopeia of her boastfulness.
Poseidon sent a powerful sea monster named Medusa to unleash wreck to the city of Ethiopia. Poseidon told Cepheus, the king of Ethiopia, that he could either sacrifice his daughter by chaining her to a rock to have Medusa demolish her or to have his city in ruins.
Finally Cepheus decided to chain his beloved daughter to a rock.
Just before Andromeda was to her doom
Perseus rode Pegasus and saw Andromeda's beauty and slayed Medusa.
Either Cetus or Medusa.
This myth of Andromeda was
combined because there were
two mythology's.
Perseus now is known for Medusa's
head. The two lovers ended up in the sky together when they died.
Voyager 2
Voyager 2 is a space-craft that was launched by N.A.S.A. (National Aeronautics and Space Administration) Voyager 2 was launched on August 20, 1977. It was actually launched before Voyager 1 but Voyager 1 was faster then Voyager 2 and passed it. It weighs around 722 kilograms. It has been operating for around 36 years now. This is one of the technology that Scientist uses.
What is a Constellation?
A constellation is a group of stars that are together and a group of people name the group of stars according to their cultures and beliefs. Most constellations from the Greeks are usually Greek gods or characters from Greek myths.
Scientist still have a lot to learn. They are trying to look beyond what we already know, beyond the Kuiper belt. That's why they are sending Pioneers and Voyagers out to research beyond our solar system.
More To Explore
Thanks for watching!
Why do the Stars seem to move?
The stars seem to move because the Earth is orbiting/Rotating so it may seem like the stars are moving but it's actually us!
Full transcript