Spacecraft from several nations have visited Venus, including the Soviet Union’s successful Venera series made the first landings on the surface of Venus. NASA’s Magellan mission, which studied Venus from 1990 to 1994, used radar to map 98 percent of the planet’s surface. Currently, Japan’s Akatsuki is studying Venus from orbit.� 650 BC
No, Venus doesn't have any countries. Nobody has ever been to Venus, and it would be almost impossible to survive landing there, so nobody has made any countries there.
100 years or 115 years
Marnier 10 studied 2 planets, Venus and Mercury. It studied Venus on it's way to Mercury. Marnier 10 managed 3 fly-bys on Mercury before running out of maneuvering gas.
As of 2014, only the U.S. has successfully explored and studied Mars. Countries like Japan have future space missions planned for 2015 and beyond.
There is no known evidence of liquid water every having existed on Venus, but it is quite possible that surface conditions were once very different from what they are now. Note that the surface of Venus has not been studied as extensivley as the surface of Mars.
USA and Australia
Jose Rizal never studied in Vietnam. He primarily studied in Spain, Germany, and France during his time abroad. Vietnam was not one of the countries where he pursued his education.
Venus has no moons. It is one of the two planets in our solar system, along with Mercury, that does not possess any natural satellites. This absence of moons is a notable characteristic of Venus, which is often studied in contrast to other planets that do have them.
The ancient civilizations of Babylonia and Sumeria were among the first to observe and document the planet Venus. They recognized it as a celestial object and incorporated it into their astronomical observations.
Several countries have studied Saturn, including the United States (NASA), Europe (ESA), and Italy (ASI). These countries have sent spacecraft like Cassini-Huygens to study the planet, its rings, and its moons. Collaborative efforts between different countries have helped to advance our understanding of Saturn and its diverse features.
By not having a government based on Religion has improved their economies of North Africa and the other countries that are there.
Every person who went to secondary school in the UK (and probably all other countries). They may not have learned much and retained even less but they must have studied it.