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Comet Elenin Lecture @ The AUC

Magnology Space Club — Tue, 25 Oct 2011 21:51:34 +0000

Comet Elenin

Lecture outlines :
1. Solar system .
2. planets & asteroids & comets .
3. comet Elenin ( main topic ) .
________________________________________________________________________
The solar system :
- It was formed 4.6 billion years ago , and it consists from medium- sized star ( the sun ) which dominated by its huge gravity on all the objects in the solar system like planets , asteroids and comets .
- The solar system is divided into two regions : Mercury , Venus , Earth and Mars make up the inner solar system & Jupiter , Saturn , Uranus and Neptune make up the outer solar system ( gas giants ) .
- The four planets of the outer solar system make up 99% of the known mass orbiting the sun .

- Kuiper Belt :
is an area located in space beyond the orbit of Neptune at a distance of about 50 AU from the sun , and contains thousands of small icy objects, the Kuiper belt is important to study the solar system, where it was likely that the Kuiper belt objects are the remnants of very early stages of the solar system.

Oort cloud:
is a huge spherical cloud surrounding the solar system and extends for a distance of three years light, this distance is on the edge of the sun gravity ,there are alot of comets in this cloud which have a weak attraction with the sun , so any star can affect on their orbits and can send them outside the solar system .

Heliosphere :

is a magnetic bubble which forms our outer edge of the solar system ,and it’s the boundary between our solar system and the outer space.
Planets & Asteroids & Comets :

Planet :
The IAU defined the planet as a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity.
So after this a new definitation , Pluto is no longer a planet because it doesn’t match the specifications and it becomes a dwarf planet ( asteroid ).

Asteroids :
are small solid bodies have a round & irregular shapes , extending several hundreds of kilometers, but most of it is small scale, More than 100,000 asteroids lie in a belt between Mars and Jupiter , Ceres is the biggest one .
Comet :
is a icy small solar system body, in most cases has a tail , it like a block of ice and dust .
- Some of comets pass by our solar system periodically and repeat its rotations like Comet Halley which was predicted to pass by solar system in 1986 by the astronomer Edmond Halley.
- Comet Hale – Bopp is one of the brightest comets watched in 1997 .

Comet Elenin :
It was discovered by Russian amateur astronomer Leonid Elenin in 10/12/2010 .
In 10 / 09 / 2011 it was the closet approach from the sun .
In 16 / 10 / 2011 it was the closet approach from the earth.
It was believed that when the comet becomes on the straight line between the earth and the sun , this comet will make a bad effects on the earth like earthquakes , thunder….etc and it can finish the life on the earth .
But it was wrong because in 26 / 09 / 2011 , the comet was on the straight line between earth and sun and nothing happened .

- This comet is far away , when it was in the closet approach from the earth , the distance was 35 million Km ( 90 twice the distance between the moon and the earth ) .
- The comet is very very tiny , its diameter doesn’t exceed 5 kilometers .
. So how this tiny far comet has effects on our planet !!!!

Although the moon ‘s bigger than Elenin and closet to earth more than it , moon hasn’t effects on earth except Tides .

Every few years we get almost that close to Venus (23.7 million miles), a rocky planet nearly the same size as our own, and don’t suffer any ill
effects. unLike the comet, its pull on Earth is tiny, tiny, tiny.

Recommended Links :
Video about solar system :
http://www.youtube.com/watch?v=z_RAEESmsrs

Observing with Nasa :
http://mo-www.cfa.harvard.edu/OWN/

Near- earth object program :
http://neo.jpl.nasa.gov

Location : AUC “Tahrir Spuare”
Instructor : Dr.Alaa Ibarhim.
Date : Fri. 21/10/2011.

By: Muhamed Hecham.

Magnology Space Club.

New New …

Magnology Space Club — Sun, 02 Oct 2011 18:45:45 +0000

Magnology Now have a new Website http://magnology.net
please check it out and send us your feedbacks ^_^ http://magnology.net/contact-us

And Don’t forget to check out our new issue
http://magnology.net/magazine
Content & Appearance are two faces of the same coin. Magnology always believes in this concept, so we worked a lot to balance the equation of producing unique & useful content in addition to an impressive appearance. This month not only do we deliver you such a complete and stunning issue, but also we reveal the new look of our website !

Here is our new issue coming after a long absence with various interesting articles. At this new era of Egypt’s life, Women will have a leading role. But will they reach the presidency. We prepared a reportage about this important topic. If you face any problem at your social relationships due to the new technology, so you should read that article at “without border” . If you are complaining about the new Facebook style and searching for a new simple alternative, just read about that at (Net Mania) section.

Who didn’t complain from forgetting people names or any small details? Do you want to know why? and how to improve your ability of remembering? Just read MC2 section. Also if you are a diabetes patient, check (App.Corner) section to know how to manage this disease through a mobile application.

Our gift for this issue is the first episode of the romantic sensitive story “Happily Never After“.
Don’t miss this issue to read about an expected solar eclipse, how to clean your body, Harry potter & the deathly hallows movie, Mubarak’s trial, Gamal Abd El-Nasser & many other different topics that will please you

Enjoy..
Norhan Magdi…
Chief Editor, Magnology Magazine

Today …

Magnology Space Club — Thu, 15 Sep 2011 23:46:12 +0000

Just for today;

Decide to be happy, to live with what is yours.
If you can’t have what you want, may be you can like what you have.
Decide to be kind .

Be cheerful, agreeable, Friendly and understanding.
Dress your best.

Praise people instead of criticizing them.
JUST for today, try it.

After all, it’s just for ONE day. Who Knows?
You might like it and do it again tomorrow.
Then, what a life it would be. =)

…………………………………………………………………………

Magnology is preparing many many surprises only for our dear fans,
because they always come first to us.

wait for us
Magnology.net

Magnology Space Club — Wed, 01 Dec 2010 15:23:47 +0000

Of course, most of you have heard about law of conservation of energy, That says: “Energy can’t die and can’t be obtained from nothing”. The same as our new issue; our articles can’t die, but the difference here is that, these articles are Creative Ideas. Our articles are a renewable energy; they can’t vanish even if ages passed, and also they can renew themselves. Every day we find something new in different fields, so our articles continue to provide you with the latest technology in every thing. Do you remember your first mail and the first time you logged in the internet?! Can you make a Comparison between your mail now and your old one?! Of course, you can feel the renewability and the continuity of this technology. Our new issue includes: • Internet browsers: advantages and disadvantages of each. • Open source operating system. • Apple TV. • Social Networking and why do we need it?? • Love stories but from our overall view • The power of Belief • Nissan GT-R vs. Audi R8 cars, which wins?? And many other articles, Just read it and feel the continuity… check it now http://magnology.net/magazine

Our 20th issue,just be simple

Magnology Space Club — Wed, 03 Nov 2010 17:22:40 +0000

Hello guys, we are back again
What do you think of the previous issue??
We hope that you have enjoyed it
Our issue this month is completely different
We seek simplicity .
To tell you the truth Success is simple.
Do what’s right, the right way, at the right time.

Want to know the meaning of simplicity??
You will find it in our issue
Just relax and take your simple seat
Deep in the sea of imagination and simply read !!!
Magnology is your simple way to technology !!!

check our new issue now

http://www.magnology.net/magazine/20th-Issue

19th ISSUE….Just be yourself

Magnology Space Club — Tue, 19 Oct 2010 22:09:15 +0000

Our dear fans …..

Finally , our 19th issue is released ,,, Get Prepared for the excitement you’ve all been waiting for ,,,,, Fasten your seat belts

you wanna see the technology that will rock the future of photography , read our new article in FRESH IDEAS ….

To know the latest operating software for Apple Iphones , Ipads , check our latest article in OPERATING SYSTEMS ……

For the new revolution in the history of TV and 3d effects , check out our article in HARDWARE STORE…..

Tired of playing the old PES 2010 ,, get to know much more about the new level in soccer games in GAME BOX….

See the new awesome , touch screen phone Nokia N8 in COMMUNICATION ……..

Help our mother nature from being killed ,,,, move on to SCIENCE VALLEY …………..

Learn about smart studying in LIFE BEATS ……..

And much more surprises awaits you in ENGINES , WHISPERS , WEB JUNGLE

Just Read Our New issue ,,,,,,, Go Go Go ,,,,,,

A Competition

Magnology Space Club — Sat, 09 Oct 2010 21:46:08 +0000

Dear all

the new website is now available

www.magnology.com

Back 2 school

Magnology Space Club — Sat, 18 Sep 2010 09:13:52 +0000

It’s time to go back to school.

Really, I’m in love with school days and it gives me the value of how to be loaded with homework

Magnology is celebrating with you the new educational season

and wishing all of you success.

18th issue….your way to communicate with the world

Magnology Space Club — Thu, 01 Jul 2010 08:53:17 +0000

From Magnology your gate to Communicate with the world.
A new issue has just been released!

17 articles full of technology to inspire your mind with creative technology inventions.
We Hope that you get enjoy it.

http://www.magnology.net/index.php?option=com_content&view=article&id=353&Itemid=28

surprises for our fans

Magnology Space Club — Mon, 19 Apr 2010 21:40:18 +0000

We would like to announce that our FIRST podcast episode it out now

Listen and send us your feedbacks

http://magnology.net/index.php?optio…=242&Itemid=41

Another release our 17th issue

Bringing the latest news about technology in your hands

we hope you enjoy it

and don’t hesitate to send your feedback on info@magnology.net