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According to the timeline, which of
these events happened last?
O The United States successfully
lands two probes
on Mars's surface.
O The Soviet Union launches the first
satellite into space.
O American astronauts become the
first male te valle an tha

Sagot :

The successful landing of two American probes on the surface of Mars comes last when compared to the aforementioned events.

The first spacecraft to successfully land on the surface of Mars were Vikings 1 and 2. The first American probes to successfully land on a planet other than Earth was Viking Lander 1. In 1976, the year that the United States celebrated its bicentennial, both spacecraft were launched. The Martian atmosphere's gases and the soil's compounds were examined by the Viking probes for signs of primitive life. Additionally, the probes measured atmospheric temperature, pressure, wind direction, and speed. The surface of Mars was charted by the Viking orbiters.

so, the successful landing of two American probes on the surface of Mars comes last when compared to the aforementioned events.

Learn more about American probes here

https://brainly.com/question/1451854

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