Satellites.Satellites.Satellites.Satellites.Satellites.Satellites.

SatelliteSatellite -- is an object, which is an object, which has been placed into orbit by has been placed into orbit by human endeavor.human endeavor.

SatellitesSatellites::NaturalNatural ArtificialArtificial

Natural satellitesNatural satellites:: The Moon.The Moon. The Phobos and the The Phobos and the

Deimos.Deimos.

Artificial satellites.Artificial satellites.

Sputnik 1.Sputnik 1. Explorer 1Explorer 1

The first artificial satellite was The first artificial satellite was Sputnik 1.Sputnik 1.

It was It was launched by launched by the Soviet the Soviet Union on the Union on the 44thth of of October October 1957.1957.

A few hundred satellites and thousand of unused A few hundred satellites and thousand of unused satellites are orbiting the Earth.satellites are orbiting the Earth.

PurposesPurposes::

Military observationMilitary observationCommunicationCommunicationNavigationNavigationWeather Weather forecastforecastResearchesResearches

Made byMade by

Rusakova Katya and Loginova NastyaRusakova Katya and Loginova Nastya

Thank you for attention!Thank you for attention!