Juno spacecraft recovering its memory after mind-blowing Jupiter flyby, NASA says

NASA's Juno spacecraft is recovering its memory after a download disruption following its December flyby of Jupiter. NASA's Juno probe is continuing to recover its memory at Jupiter after a data disruption interrupted communications between the spacecraft and its operators on Earth following a flyby of the giant planet in December. The Juno spacecraft's latest flyby of Jupiter, its 47th close pass of the planet, was completed on Dec. 14. But as its operators at NASA's Jet Propulsion Laboratory were receiving science data from the flyby they found they could no longer directly access the spacecraft's memory. The team successfully rebooted Juno's computer and on Dec. 17 they placed the spacecraft into "safe mode" with only essential systems operating as a precaution. As of a Dec. 22 NASA update(opens in new tab), steps taken by the team to recover Juno's science data had been proceeding positively. Juno's operators are now successfully downlinking the flyby data. "The science data from the solar-powered spacecraft's most recent flyby of Jupiter and its moon Io appears to be intact," NASA wrote in the update. The interruption is currently believed to have been caused when Juno flew through the intense radiation of a portion of Jupiter's magnetosphere. There is no indication that the radiation spike has damaged data from its close approach to Jupiter or its flyby of the volcanic Jupiter moon Io. The remaining data from Juno's latest flyby is expected to be beamed back to Earth the next few days at which point operators can assess if it has been affected by the disruption. Juno left Earth in August 2011, traveling 1.7 million miles and entering orbit around the gas giant planet 5 years later on July 4, 2016. Becoming the first spacecraft to see through Jupiter's dense clouds, Juno’s aim was to answer questions about Jupiter’s composition and origins.

NASA's Juno spacecraft made its 47th flyby of Jupiter in December. It was mind-blowing as in, the probe lost its memory. (Image credit: NASA)

Juno takes 53 Earth days to orbit Jupiter, with its primary mission of Juno calling for 35 orbit, during which it collected 3 terabits of scientific data and some incredible images of Jupiter and its moons. Because Jupiter is thought to be the solar system's oldest world, learning more about it could reveal information about the formation of the solar system itself.

This data changed many of the ideas planetary scientists had about Jupiter’s atmosphere and interior by revealing an atmospheric weather layer stretching far beyond its water clouds as well as a deep interior with a dilute heavy element core.

The spacecraft’s primary mission ended in July and the spacecraft is expected to continue its extended science operations until at least 2025 according to the Planetary Society (opens in new tab).

The spacecraft was expected to exit safe mode this week and will make its next flyby of Jupiter on Jan. 22, 2023.

NASA wants your help designing a Venus rover concept

NASA's Jet Propulsion Laboratory in Pasadena, California, under a grant from the NASA Innovative Advanced Concepts program, is running a public challenge to develop an obstacle avoidance sensor for a possible future Venus rover. The "Exploring Hell: Avoiding Obstacles on a Clockwork Rover" challenge is seeking the public's designs for a sensor that could be incorporated into the design concept. Venus is an extreme world. With a surface temperature in excess of 840 degrees Fahrenheit and a surface pressure 90 times that of Earth, Venus can turn lead into a puddle and crush a nuclear-powered submarine with ease. While many missions have visited our sister planet, only about a dozen have made contact with the surface of Venus before quickly succumbing to the oppressive heat and pressure. The last spacecraft to touch the planet's surface, the Soviet Vega 2, landed in 1985. Now, engineers and scientists at JPL are studying mission designs that can survive the hellish landscape. "Earth and Venus are basically sibling planets, but Venus took a turn at one point and became inhospitable to life as we know it," said Jonathan Sauder, a senior mechatronics engineer at JPL and principal investigator for the Automaton Rover for Extreme Environments (AREE) concept. "By getting on the ground and exploring Venus, we can understand what caused Earth and Venus to diverge on wildly different paths and can explore a foreign world right in our own backyard."

Exploring and studying different geologic units across the surface of Venus could help us understand the planet's evolution, and could contribute to a better understanding of Earth's climate.

Powered by wind, AREE is intended to spend months, not minutes, exploring the Venus landscape. AREE could collect valuable, long-term longitudinal scientific data. As the rover explores the planet, it must also detect obstacles in its path, such as rocks, crevices and steep terrain. And NASA is crowdsourcing help for that sensor design. The challenge's winning sensor will be incorporated into the rover concept and could potentially one day be the mechanism by which a rover detects and navigates around obstructions.

The difficulty of this challenge is in designing a sensor that does not rely on electronic systems. Current state-of-the-art electronics fail at just over 250 degrees Fahrenheit and would easily succumb to the extreme Venus environment. That is why NASA is turning to the global community of innovators and inventors for a solution.

"This is an exciting opportunity for the public to design a component that could one day end up on another celestial body," said Ryon Stewart, challenge coordinator for the NASA Tournament Lab at the agency's Johnson Space Center in Houston. "NASA recognizes that good ideas can come from anywhere and that prize competitions are a great way to engage the public's interest and ingenuity and make space exploration possible for everyone."

Participants will have an opportunity to win a first-place prize of $15,000. Second place wins $10,000; and third place, $5,000. JPL is working with the NASA Tournament Lab to execute the challenge on the heroX crowdsourcing platform. Submissions will be accepted through May 29, 2020.

"When faced with navigating one of the most challenging terrestrial environments in the solar system, we need to think outside the box," Sauder said. "That is why we need the creativity of makers and garage inventors to help solve this challenge."

Mars 2020 Rover Completes Its First Drive

NASA's next Mars rover has passed its first driving test. A preliminary assessment of its activities on Dec. 17, 2019, found that the rover checked all the necessary boxes as it rolled forward and backward and pirouetted in a clean room at NASA's Jet Propulsion Laboratory in Pasadena, California. The next time the Mars 2020 rover drives, it will be rolling over Martian soil. "Mars 2020 has earned its driver's license," said Rich Rieber, the lead mobility systems engineer for Mars 2020. "The test unambiguously proved that the rover can operate under its own weight and demonstrated many of the autonomous-navigation functions for the first time. This is a major milestone for Mars 2020." Scheduled to launch in July or August 2020, the Mars 2020 mission will search for signs of past microbial life, characterize Mars' climate and geology, collect samples for future return to Earth, and pave the way for human exploration of the Red Planet. It is scheduled to land in an area of Mars known as Jezero Crater on Feb. 18, 2021. "To fulfill the mission's ambitious science goals, we need the Mars 2020 rover to cover a lot of ground," said Katie Stack Morgan, Mars 2020 deputy project scientist.

Mars 2020 is designed to make more driving decisions for itself than any previous rover. It is equipped with higher-resolution, wide-field-of-view color navigation cameras, an extra computer "brain" for processing images and making maps, and more sophisticated auto-navigation software. It also has wheels that have been redesigned for added durability.

All these upgrades allow the rover to average about 650 feet (200 meters) per Martian day. To put that into perspective, the longest drive in a single Martian day was 702 feet (214 meters), a record set by NASA's Opportunity rover. Mars 2020 is designed to average the current planetwide record drive distance.

In a 10-plus-hour marathon on Tuesday that demonstrated all the systems working in concert, the rover steered, turned and drove in 3-foot (1-meter) increments over small ramps covered with special static-control mats. Since these systems performed well under Earth's gravity, engineers expect them to perform well under Mars' gravity, which is only three-eighths as strong. The rover was also able to gather data with the Radar Imager for Mars' Subsurface Experiment (RIMFAX).

"A rover needs to rove, and Mars 2020 did that yesterday," said John McNamee, Mars 2020 project manager. "We can't wait to put some red Martian dirt under its wheels."