What To Know
- L’Voyager 1 spacecraft NASA’s SpaceX recently resumed sending scientific data six months after it began transmitting anomalous signals consisting of truncated patterns of zeros and ones, marking a new chapter in the iconic spacecraft’s mission to continue exploring the far reaches of interstellar space far from our solar system.
- After a thorough investigation, NASA determined that the problem was caused by a small portion of corrupted memory in the flight data subsystemone of the spacecraft’s three computers.
- 5 hours to reach the spacecraft and just as long to return, the team had to wait nervously to see if the fix had worked.
L’Voyager 1 spacecraft NASA’s SpaceX recently resumed sending scientific data six months after it began transmitting anomalous signals consisting of truncated patterns of zeros and ones, marking a new chapter in the iconic spacecraft’s mission to continue exploring the far reaches of interstellar space far from our solar system.
An unprecedented exploration
Launched in 1977, Voyager 1 is the furthest human-made object to have traveled into space. After crossing the heliopause, the boundary where the solar wind ceases to influence the space environment, the object has been roaming interstellar space for several years. From these distant lands, Voyager 1 continues to transmit crucial data, offering us a unique window into the regions beyond our Solar system. This revolutionary mission thus helps us to better understand the space between the stars, a domain that has been largely unexplored until now. Note that Voyager 1 operates with only 69.63 kilobytes of memory and partly uses code written in Fortran 5an ancient computer language. The button you press to open your car door has more computing power than the Voyager spacecraft“, sums up Suzanne Dodd, Voyager project manager, at NPR. This underscores the ingenuity of NASA engineers who designed a craft capable of withstanding the test of time and the rigors of space.
A prolonged “work stoppage”
Voyager 1 has faced many challenges during its journey. The most recent was in late 2023. Mission operations had been interrupted when the ship began sending signals back to Earth without any scientific or technical data. After a thorough investigation, NASA determined that the problem was caused by a small portion of corrupted memory in the flight data subsystemone of the spacecraft’s three computers. On May 17, commands were sent to Voyager 1 to try to fix the problem. Since signals take 22.5 hours to reach the spacecraft and just as long to return, the team had to wait nervously to see if the fix had worked. Fortunately, several critical systems are now back up and running.
An illustration of the Voyager 1 probe sailing through interstellar space. Credit: NASA/JPL-Caltech More recently, NASA confirmed that several instruments, including Voyager 1’s plasma wave subsystem and magnetometer, are now returning usable scientific data. However, work continues on restoring several other instruments, including the Cosmic Ray Subsystem and the Low Energy Charged Particle Instrument. These efforts are aimed at maximizing the life of the spacecraft and extending its mission as long as possible.
