# Venera 2

> Soviet spacecraft intended to explore Venus

**Wikidata**: [Q719617](https://www.wikidata.org/wiki/Q719617)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Venera_2)  
**Source**: https://4ort.xyz/entity/venera-2

## Summary
Venera 2 was a Soviet spacecraft launched in 1965 to explore Venus. It was part of the Venera program and was designed as a flyby probe to study the planet from close range. The spacecraft lost contact with Earth before completing its mission.

## Key Facts
- Launched on November 12, 1965, at 04:46:48 UTC from Baikonur Cosmodrome Site 31
- Mass: 963 kilograms at takeoff
- Operated by S.P. Korolev Rocket and Space Corporation Energia
- Mission duration: 105 days
- Classified as a 3MV spacecraft, flyby probe, and artificial satellite of the Sun
- Launched using a Molniya rocket (U 15000-42 variant)
- Destination: orbit of Venus
- Followed Venera 1 and was followed by Venera 3 in the Venera program sequence

## FAQs
### Q: What was the purpose of Venera 2?
A: Venera 2 was designed to explore Venus through a planetary flyby, collecting data about the planet's atmosphere and surface from close range as part of the Soviet Venera program.

### Q: When was Venera 2 launched?
A: Venera 2 was launched on November 12, 1965, at 04:46:48 UTC from the Baikonur Cosmodrome in the Soviet Union.

### Q: What happened to Venera 2?
A: Venera 2 lost contact with Earth before completing its mission. The spacecraft performed a planetary flyby of Venus on February 17, 1966, at a distance of 23,810 kilometers, but contact was lost by February 1966 and the mission was terminated on March 4, 1966.

## Why It Matters
Venera 2 represents an important step in the Soviet Union's exploration of Venus, contributing to the broader Venera program that would eventually achieve the first successful landings on another planet. As part of the 3MV spacecraft series, it helped advance Soviet space technology and planetary exploration capabilities during the Space Race era. Though the mission ended prematurely, the data collected and experience gained from Venera 2 informed subsequent Venus missions. The spacecraft's design and launch demonstrated the Soviet Union's growing expertise in interplanetary travel and deep space communication, even as technical challenges remained. Venera 2's place in the Venera program sequence shows the iterative nature of space exploration, where each mission built upon previous attempts to achieve greater scientific understanding of our planetary neighbor.

## Notable For
- First Soviet spacecraft to attempt a Venus flyby after the failure of Venera 1
- Part of the 3MV spacecraft design series that represented Soviet deep space exploration technology
- Launched using the Molniya rocket, a key Soviet launch vehicle for planetary missions
- Contributed to the 105-day mission duration record for Venus-bound spacecraft
- Represented the Soviet Union's continued commitment to Venus exploration during the Space Race

## Body
### Mission Overview
Venera 2 was launched as part of the Soviet Union's Venera program, which aimed to explore Venus through a series of spacecraft missions. The spacecraft was designed to perform a planetary flyby of Venus, collecting scientific data about the planet's atmosphere, surface, and environment.

### Technical Specifications
The spacecraft had a mass of 963 kilograms at takeoff and was based on the 3MV (3rd generation Mars/Venus) spacecraft design. This standardized platform was used for multiple Soviet planetary missions during the 1960s. The spacecraft was equipped with scientific instruments to study Venus during its close approach.

### Launch and Trajectory
Venera 2 was launched on November 12, 1965, at 04:46:48 UTC from Baikonur Cosmodrome Site 31 using a Molniya rocket (U 15000-42 variant). The launch vehicle was part of the Soviet family of rockets developed for both military and scientific missions. After launch, the spacecraft entered a heliocentric orbit (artificial satellite of the Sun) on its trajectory toward Venus.

### Venus Encounter
The spacecraft performed a planetary flyby of Venus on February 17, 1966, at a distance of 23,810 kilometers from the planet's surface. This close approach was designed to allow scientific instruments to collect data about Venus's atmosphere and environment. However, contact with the spacecraft was lost before all planned observations could be completed.

### Mission Termination
Contact with Venera 2 was lost in February 1966, and the mission was officially terminated on March 4, 1966. The exact cause of the communication failure was not determined, but it prevented the spacecraft from completing all of its scientific objectives. Despite the premature end, the mission provided valuable experience for subsequent Venera missions.

### Program Context
Venera 2 followed Venera 1 (launched in 1961) and preceded Venera 3 (launched in 1965) in the Venera program sequence. This iterative approach allowed Soviet engineers to improve spacecraft design and mission planning with each attempt. The Venera program would eventually achieve significant successes, including the first successful landings on Venus in the 1970s.

## Schema Markup
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  "name": "Venera 2",
  "description": "Soviet spacecraft intended to explore Venus",
  "url": "https://en.wikipedia.org/wiki/Venera_2",
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## References

1. Jonathan's Space Report
2. Freebase Data Dumps. 2013
3. [Source](https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1965-091A)