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Who was the first person to measure the size of another planet?
The first person to measure the size of another planet was the German astronomer Johann Hieronymus Schröter. In the late 18th century, Schröter made detailed observations of the planet Venus, estimating its diameter and mapping its surface features.
What was the first successful probe to perform in-place analysis of the environment of another planet?
The Viking 1 and Viking 2 landers were the first successful probes to perform in-situ analysis of the environment of another planet when they landed on Mars in 1976. They carried out experiments to study the Martian soil composition, atmosphere, and search for signs of life.
Who was the first man to step on another planet?
No man or Woman has ever stepped on another planet. The only celestial body that humans have been to (other than Earth) is the Moon.
What was the first spacecraft to orbit another planet?
Mariner 9 took on that spacecraft's mission of mapping 70 percent of the Martian surface in addition to its own objective of studying changes over time in the Martian atmosphere and surface.
What is the 1st planet called?
Mercury is the first planet from the sun.
Who was the first person to go on another planet?
The first preson on another planet was james mcfarlane
Was Venus the first planet Earth visited?
earth has never visited another planet
Why do the space probes go to another planet first then go to the distant one?
Because Cinderella's fairy godmother tolled the probes to go to another planet first.
What was the name of the first vehicle in western country?
The Asiamobile.
Who spotted another planet first?
The first to look up at the night sky.
Who was the first person to go to another planet?
No human has ever set foot on another planet
Which country did Islamic art first start in?
It started on the planet mars
Which spacecraft was the first to successfully fly past another planet?
Mariner 2 in 1962. The planet was Venus.
Which best describes a first generation american?
A first generation American can best be described as a person who was born in another country.
WhichThe first country to introduce vehicle registration?
France
When and by discovered planet mars?
Mars, the planet, was first travelled to in 1965 by Mariner 4 (a spacecraft) by the country USA from NASA.
When did humans first step on another planet?
they never did, it was the Mars rover
