After 53 years traversing the cosmos, a quirky Soviet spacecraft known as Cosmos-482 has made its way back to Earth, penetrating the atmosphere at 9:24 am on Saturday, according to Los Cosmos, a Russian state entity overseeing the space program.
Cosmos-482, designed for a landing on Venus, may have survived its descent. As reported by Roscosmos, its remnants were found scattered across the Indian Ocean near Jakarta, Indonesia.
Launched on March 31, 1972, the Kosmos-482 became tethered to Earth’s orbit due to a premature shutdown of one of its rocket boosters. Its return evokes memories of the Cold War space race, sparking images of terrestrial forces projecting into the solar systems.
“It takes me back to a time when the Soviet Union was bold in space exploration. We might all be more adventurous in space,” remarks Jonathan McDowell, an astrophysicist at the Harvard & Smithsonian Center for Astrophysics, who monitors orbiting objects. “In that context, it is a bittersweet occasion.”
While the U.S. triumphed in the lunar race, the Soviet Union set its eyes on Venus through its Venella program.
Between 1961 and 1984, the Soviets dispatched 29 spacecraft towards this enigmatic world, although many missions did not succeed more than a dozen fell short. The Venella missions observed Venus from orbit, gathered atmospheric data, descended through its caustic clouds, collected and analyzed soil samples, and transmitted the first images from the planet’s surface.
“Kosmos-482 serves as a reminder of the Soviet Union’s encounter with Venus 50 years ago, a tangible relic of that endeavor,” states Asif Siddiqi, a historian at Fordham University focusing on Soviet space activities. “It’s oddly fascinating how the past continues to linger in orbit around the Earth.”
Fifty years later, as the country aims to return to the moon and dispatch probes to Mars, Jupiter, and various asteroids, only an isolated Japanese spacecraft remains at Venus amidst proposals facing delays with uncertain timelines and an unpredictable future.
While landing astronauts on the moon during the space race was a monumental achievement, it also highlighted the rest of our solar system. As the U.S. increasingly focused on Mars, the Soviet Union turned its attention to the second planet from the sun.
“Back then, both nations were intrigued by Mars, but Venus proved a more accessible target,” asserts Kathleen Lewis, curator of the International Space Program at the Smithsonian’s National Air and Space Museum.
Often referred to as Earth’s twin due to its similar size, Venus is shrouded in a dense atmosphere of carbon dioxide and veiled under thick layers of sulfuric clouds. Its surface endures scorching temperatures reaching 870 degrees Fahrenheit, coupled with atmospheric pressure nearly 90 times greater than Earth’s.
“How do you create technology capable of surviving a months-long journey across the solar system, entering a thick atmosphere, and capturing images without being destroyed?” Dr. Siddiqi questioned. “It’s an astonishing challenge to consider solving back in the 1960s.”
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Via NASA
The Soviets, unbothered by the challenges presented by such a hostile world, persistently launched hardware towards Venus. At that time, no blueprint existed for such endeavors.
“You were essentially inventing the technology to send to Venus,” Dr. Siddiqi explained. “Today, if a country like Japan wishes to send a mission to Venus, they have decades of knowledge and engineering guidebooks. In the ’60s, there was nothing.”
The Soviet Venella program achieved many milestones, including being the first probe to enter the atmosphere of another planet, the first spacecraft to successfully land on another planet, and the first to capture sounds from an alien landscape.
The breakdown of Kosmos-482 occurred midway through this timeline, and its re-entry wasn’t the first encounter with Earth for the intended Venus lander.
Around 1 am on April 3, 1972, merely days after the troublesome launch, several 30-pound titanium spheres, each the size of a beach ball and inscribed with Cyrillic letters, descended upon the town of Ashburton, New Zealand.
One landed in a turnip field, leaving local residents cautious. The New Zealand Herald reported in 2002 that one of these spheres was ultimately confined in a police cell in Ashburton.
According to space law, ownership of a downed space object belongs to the country that launched it; however, the Soviets did not claim ownership of the sphere initially. The “space ball” was eventually returned to the farmers who discovered it.
Although Cosmos-482 was lost, the two other spacecraft launched days earlier successfully reached Venus and relayed data from the surface for 50 minutes. Two years later, when Venera 9 and 10 arrived, the Soviets ensured redundancy by launching both spacecraft.
The Venera program concluded in the mid-1980s with an ambitious Vega probe, which, starting in 1984, deployed a landing craft on Venus’s surface in 1985 and flew by Halley’s Comet in 1986.
“The legacy of Soviet Venus exploration in the 70s and 80s was a point of pride for the Soviet Union,” Dr. Lewis noted.
The re-entry of Cosmos-482 holds unique historical significance but isn’t particularly unusual today, as nations and companies continue to launch more technology into orbit, resulting in an increase of objects descending from the sky.
“We see frequent re-entries nowadays,” says Greg Henning, an Aerospace Corporation engineer and space debris specialist. The nonprofit organization tracks objects in orbit. “We observe dozens of instances each day, most of which go unnoticed.”
This is particularly true now, as heightened solar activity expands the Earth’s atmosphere, increasing drag on orbiting objects.
Some of these re-entries create spectacular light displays, whether through controlled descents like SpaceX’s cargo and crew capsules or unintentional ones, such as the failed test flight of SpaceX’s Starship prototype. Others, like China’s Long March 5B rocket booster, are uncontrolled and potentially hazardous.
However, in rare instances, spacecraft such as Cosmos-482 return to Earth as remnants of humanity’s formative endeavors.
“There exists an archive of the space race that continues to circle Earth. Many objects released in the 1950s, ’60s, and ’70s remain in orbit,” Dr. Siddiqi remarked. “At times, pieces of this living museum may fall on my head, reminding me of its presence.”
Jonathan Wolf contributed to this report.
Source: www.nytimes.com
