| Event ID: | 19177 |
| Contact Name: | وزارة التعليم/النشاط العلمي |
| Contact Email: | alailmi2008@gmail.com |
| Contact Phone: | |
| Organization: | منارات ينبع الأهلية |
| Event Web Site: | http://www. |
| Dates: | 4th October 2018 to 10th October 2018 |
| Physical Event: | |
| Type: | School |
| Start/End Type: | |
| Country: | Saudi Arabia |
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| Location: | |
| Event Name: | الفضاء يوحد العالم |
| Event Description: | Allah created space in an amazing way. If we think of Allah's creation. we stop stunned in front of this great creation . galaxies are sprawling space systems which composed of dust gas and countless stars . there are a lot of galaxies .there are three main types : • Spiral galaxies Spiral galaxies have three main components: a bulge, disk, and halo . The bulge is a spherical structure found in the center of the galaxy. This feature mostly contains older stars. The disk is made up of dust, gas, and younger stars. The disk forms arm structures. Our Sun is located in an arm of our galaxy, the Milky Way. The halo of a galaxy is a loose, spherical structure located around the bulge and some of the disk. The halo contains old clusters of stars, known as globular clusters. Elliptical galaxies Elliptical galaxies are shaped like a spheroid , or elongated sphere. In the sky, where we can only see two of their three dimensions, these galaxies look like elliptical, or oval, shaped disks. The light is smooth, with the surface brightness decreasing as you go farther out from the center. Elliptical galaxies are given a classification that corresponds to their elongation from a perfect circle, otherwise known as their elliptiaity . The larger the number, the more elliptical the galaxy is. So, for example a galaxy of classification of E0 appears to be perfectly circular, while a classification of E7 is very flattened. The elliptical scale varies from E0 to E7. Elliptical galaxies have no particular axis of rotation. Irregular galaxies Irregular galaxies have no regular or symmetrical structure. They are divided into two groups, Irr I and IrrII. Irr I type galaxies have HII regions, which are regions of elemental hydrogen gas, and many Population I stars, which are young hot stars. Irr II galaxies simply seem to have large amounts of dust that block most of the light from the stars. All this dust makes is almost impossible to see distinct stars in the galaxy. |
| Promotional Image: | No Image. |
| Report on the Results: | https://drive.google.com/drive/folders/1kr2o8XARxxBId_8Popin_Qtm7lRKTxf9?ogsrc=32 |
| Attendance: | 30 |
| Attendance is Unique: | |
| Media Impressions: | 100 |
| Media Impressions are Unique: |
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