events
Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
Related Wikipedia articles
Venera
Soviet program that explored Venus with multiple probes
The Venera program was a series of space probes developed by the Soviet Union between 1961 and 1984 to gather information about the planet Venus.Source: Wikipedia (CC BY-SA)
Venera 1
Soviet space probe launched in 1961; first spacecraft to fly by Venus
Venera 1, also known as Venera-1VA No.2 and occasionally in the West as Sputnik 8, was the first spacecraft to perform an interplanetary flight and the first to fly past Venus, as part of the Soviet Union's Venera programme. Launched in February 1961, it was intended as an…Source: Wikipedia (CC BY-SA)
Venus
Second planet from the Sun
Venus is the second planet from the Sun. It is often called Earth's "twin" or "sister" among the planets of the Solar System for its orbit being the closest to Earth's, both being rocky planets and having the most similar and nearly equal size and mass. Venus, though, differs…Source: Wikipedia (CC BY-SA)