The Team:

• Rumyana Hristova Dimitrova 17
• Diana Plamenova Peneva 16
• Petya Kirova Kirova 17
• Leader: Valentina Doneva Keranova

School:

• SOU "Jordan Jovkov"
• Str.: "Kliment Ohridski " №34
• Post Code : 9450, Tervel Bulgaria
• e-mail: r_d@abv.bg

Used Literature:

• The theoretical material is taken from all publications of "Andromeda" magazine and "Telescope" newspaper.

Pictures:

        www.nineplanets.org
        www.solarviews.com
        www.spaceguide.hit.bg
        www.n-sky.org