Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

Make your likes visible on Facebook?

Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.

No, thanks

Mars

No description
by

Dicaprio cheung

on 2 May 2015

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Mars

INTRODUCTION
APPEARANCE
In this chapter, we will learn about the appearance of Mars. Here are the topics we will learn:
The size of Mars
How Mars looks?
Classification of Mars
Famous landmarks of Mars
Which star is Mars in the sky?
FUNNY AND BORING FACTS
In this chapter, we will learn about some funny and boring facts of Mars. Here are the topics we will learn.
Distances
The day and year on Mars
Moons of Mars
Temperature and weather of Mars
The gravity of Mars
Mars
In the introdution, we will talk about three topics.
When was Mars discovered?
Who discovered it?
How was it named?
Let's go to Mars now!!!
When was Mars discovered?
Who discovered it?
No one knows when Mars was discovered and who discovered it. However, many people believed that it's discovered long time ago.
How it was named?
Mars was named to be the roman god of war. It is because Mars is as red as blood.
The size of Mars
Mars's diameter is 6794 km or 4222 miles. It is 0.53 times of the size of Earth. That's means it's about half of the Earth.
Fun facts
The land area of Mars is equal to the land area of Earth!!!
How Mars looks?
Mars looks red because there is a layer of dust and rust that cover the surface.
The dust and rust contain iron oxide. So, it looks red.
By Dicaprio Cheung
Iron oxide, (Fe3 C2) is a chemical compound of iron and oxygen
Classification of Mars
Mars is a terrestrial planet. That means it is a planet made of mostly rocks.
Landmarks of Mars
In this topic, we will have a few parts as there are some landmarks. We will talk about:
Olympus Mons
Valles Marineris
The Face on Mars
Hellas Basin
Stealth Region
Olympus Mons
Olympus Mons is the tallest mountain. Not only in Mars, but the whole solar system! It is 23km or 14 miles tall. That's 3 times of Mount Everest
Valles Marineris
Valles Marineris is the deepest and longest canyon in the solar system. It's 4000km or 2500 miles long, 200km or 120 miles wide and 6.5 km or 4miles deep. it's about 5 times of Grand Canyon!!!
The Face on Mars
It is a face built by some aliens on Mars
Don't believe that. It's just a hill with strange shawdows!!!
Hellas Basin
Hellas Basin is the biggest crater in Mars and the 2nd or 3rd biggest crater in the Solar System. It is 7152 m or 23465 ft deep and 2250 km or 1400 miles wide !!!
Stealth Region
In this 200km or 125 miles -wide area, it's invisible to radar!!! Maybe there is just a lot of dust but no rocks or ice. So, no radar can reflect back.
Which star is Mars in the sky?
Mars appears to be the fourth brightest object in the clear sky. The first brightest is the Moon. Second is Venus. Third is Jupitar. Fourth is Mars.
Why Jupitar is farther from us but is brighter than Mars?
Jupitar is brighter because it's many times bigger and clouds are better to reflect light than ice and rocks.
More pictures!!!
Distances
The average distance to the Sun is about 227.9 million km or 141.79 million miles. It's about 56 million km or 35 million miles when it is nearest to the Earth. The furthest is about 401 million km or 249 milliopn km apart.
The day and year on Mars
A day on Mars is slightly longer than Earth. It's 24 hours, 39 minutes and 35.244 seconds. A Martian year is 1.8809 earth year or 1 year, 320 days, 18.2 hours (Earth time) or about 687 Earth days or 669 Martian days.
Moons of Mars
Mars have 2 moons. One is Phobos, another is Deimos. these moons are small. So, they don't have enough gravity to pull them into a sphere. They are discovered by an American astronomer, Asaph Hall(1829-1907).
Phobo
Phobo is only 27km or 17 miles long. It is only 9377km or 5827 miles away from Mars. Phobo is so close that it will fall into Mars after 10 million years! In Greek, Phobo means "fear". The name is so bad.
Deimos
Deimos is only 15km or 9 miles wide. It is 23460km or 14580 miles away from Mars. While Phobos means "fear", Deimos is similar, "terror".
Temperature and weather of Mars
Mars has seasons as it also tilts on an axis. The average temperature is -62 degrees C or -80 degrees F. In summer, it can rise up to 20 degrees C or 70 degrees F. However, it can drop to -125 degrees C or - 195 degrees F. Sometimes, Mars has sandstorm that could cover the whole planet!!!
In this chapter, we will learn about how you would survive on Mars. Here are the dangers.
Suffocating Air
Super low pressure
Freezing temperature
Dusty planet
Radiation!
The gravity of Mars
The gravity of Mars is just 38% of Earth. That means you can jump 2.6 times higher on Mars than Earth. To work out how heavy you are on Mars, you just need to use your weight on Earth x 38%.
DANGERS THAT ASTRONAUTS FACE
Suffocating Air
Mars also has an atmosphere. However, 96% of it is carbon dioxide. Only 0.145% of it is oxygen. You would suffocate and die very quickly.
The danger on Mars
What could we do to solve it?
The astronauts need a spacesuit or a space craft that fills with oxygen for the astronauts to breathe.
Super low pressure
The danger on Mars
The atmosphere on Mars is only 1% of Earth's. So, the air pressure on Mars is very low. On Earth, the air pressure and the air inside you balance. So, you don't feel anything. However, the air pressure on Mars is low. So, you would expand like a balloon and burst on Mars!
What could we do to solve it?
The air in the space craft or the spacesuit is adjusted to be the same as the air pressure on Earth. So, it would be fine.
What could we do to solve it?
The danger on Mars
Freezing temperature
We already know that the average temperture is around -60 degrees C or -80 degrees F in the chapter before. So, it's freezing most of the time.
Again, the spacesuit and the space craft will make the temperture very comfortable.
The danger on Mars
Dusty planet
The dust and rust on Mars will burn the tissues of your lungs when you breathe in the dust and rust. Then, you will choke to death! !
What could we do to solve it?
The spacesuit and space craft have to prevent the dust and rust to go in. Or the astronaut will breathe in the dust and choke to death.
What could we do to solve it?
The danger on Mars
Radiation!
The high-energy radiation from the Sun can go through the atmosphere to the surface as it is so thin. The radiation will damage the astronaut's cells. Over time, it could cause cancer and even death!
The radiation is blocked by your space craft's walls and your spacesuit. So, don't afraid of that.
We arrived on Mars!!!
Full transcript