HOME BZU Mail Box Online Games Radio and TV Live Cricket Score All Albums
Go Back   BZU PAGES: Find Presentations, Reports, Student's Assignments and Daily Discussion; Bahauddin Zakariya University Multan Welcome to all the Students Articles Science & Technology


Reply
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 01-06-2009, 12:16 AM   #1
About PLUTO
usman_latif_ch usman_latif_ch is offline 01-06-2009, 12:16 AM


Pluto is a strange cold frozen world in the outback of the solar system. In even the best Earth based telescopes Pluto appears as no more than a dot. Pluto is far from the Sun, at an average distance of 59 x 108 km (about 40 times the distance from the Sun to the Earth. It is so far out that the Sun is merely an extra bright star in the blackness of deep space.

Pluto is a small world with a diameter of 2294 km (about 85 percent the size of our moon.) It takes Pluto 248 years to go once around the Sun in its strange orbit. The orbit is inclined 17 degrees to the plane of the solar system. In addition to that, sometimes Pluto is closer to the Sun than Neptune (it happens to be right now.)

Being so far from the Sun, Pluto is cold enough (at -230 C) to freeze most compounds that would normally be gasses. What we know of Pluto comes from spectroscopic studies. They show that Pluto has methan on its surface, either as solid ice or frost. Astronomers also discovered that Pluto has a thin atmosphere of methane gas and another gas probably nitrogen or carbon monoxide. Many astronomers also believe that Pluto has water ice in its interior.

Pluto has one moon, named Charon which is about 1200 km in diameter, roughly half Pluto's size. Charon oribts Pluto at a distance of 17,000 km in 6.4 days. It was only in 1978 when Charon was discovered that the mass of Pluto could be determined, and therefore the density.

Pluto has a low density of about 1.8 g/cm3. This indicates the Pluto is an icy-rocky mixture. It does not fit into the category of gas planets , nor does it fit into terrestrial worlds either. Pluto is somewhere in between, and atill a mystery.Perhaps some of the answers will come from a spacecraft known as Pluto Express which NASA plans to send to this distant cold world.

__________________

 
usman_latif_ch's Avatar
usman_latif_ch
Senior Member

Join Date: Sep 2008
Location: Lahore
Age: 33
Posts: 6,664
Contact Number: 03009441339, 03334146191
Program / Discipline: Engineering
Class Roll Number: BME-01083029 (The University Of Lahore)
Views: 828
Reply With Quote
Reply

Tags
pluto


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Best view in Firefox
Almuslimeen.info | Cloud Computing | Dedicated server hosting
Note: All trademarks and copyrights held by respective owners. We will take action against any copyright violation if it is proved to us.

All times are GMT +5. The time now is 10:49 AM.

Powered by vBulletin® Version 3.8.2
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.