High Five Facts - Satellites

The video provides five interesting facts about satellites. It begins with Sputnik One, the first artificial satellite launched by the USSR in 1957, marking the start of the Space Age. The International Space Station (ISS) is highlighted as the largest artificial satellite, serving as a space laboratory since 2000. The video explains the two types of satellites: natural, like moons and planets, and man-made, which orbit Earth. It also covers the different altitudes at which satellites orbit Earth, including Low Earth Orbit (LEO), Medium Earth Orbit (MEO), and High Earth Orbit (HEO). Finally, Sputnik 2 is discussed as the first satellite to carry a living passenger, Laika the dog, into space.

How many satellites are orbiting Earth at one time, and what are the three different altitudes they can orbit from?

What was significant about Sputnik 2 in terms of its passengers?