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☆ Planet 9: Inside the search for a hidden planet in our solar system
▼ + stars: | 2024-11-04 | by ( Jacopo Prisco | ) edition.cnn.com time to read: +18 min

“It could completely reshape our understanding of the solar system and of other planetary systems, and how we fit into that context. Brown and his colleague, planetary scientist Konstantin Batygin, reported having strong evidence of a hidden planet on the fringes of our solar system. “If you look at these bodies, their lifetimes are tiny compared to the age of the solar system,” Batygin said. “By now, we expected to have found many more of these extreme trans-Neptunian objects,” Sheppard said in an email. Finding a smaller planet would also spark excitement, Rice added, because every solar system planet is immensely useful for extrapolating information about the thousands of comparable exoplanets that researchers are uncovering across the galaxy.

Persons: Mike Brown, Pluto, ”, Brown, Pluto’s, Malena Rice, ” Rice, Konstantin Batygin, Neptune, they’ve, Brown’s, “, we’re, Scott Sheppard, Chadwick Trujillo, Trujillo, ” Brown, Batygin, ” Batygin, Patryk Sofia Lykawka, ” Lykawka, Lykawka, Rice, Hur, Renu Malhotra, Malhotra, Sheppard, ” Sheppard, ” Malhotra, she’s, “ It’s, Sigurd Naess, ” Naess, Vera C, Rubin, That’s Organizations: CNN, Caltech, NASA, Johns Hopkins University Applied Physics Laboratory, Research, International Astronomical, ESA, Yale University, Getty, California Institute of Technology, Planet Nine, Carnegie Institution for Science, Northern Arizona University, Sheppard, Kindai University, Rice of Yale University, University of Arizona, Survey Telescope, Theoretical Astrophysics, University of Oslo, US National Science Foundation, Stanford University, Rubin, Rubin Observatory, Nine Locations: Pasadena , California, AFP, Washington ,, Japan, Neptune, Hawaii, Chile, Norway

☆ NASA reestablishes contact with Voyager 1 using an old radio transmitter
▼ + stars: | 2024-11-01 | by ( Ashley Strickland | ) edition.cnn.com time to read: +5 min

Voyager 1 is now using a radio transmitter it hasn’t relied on since 1981 to stay in contact with its team on Earth while engineers work to understand what went wrong. NASA's Voyager 1 spacecraft is depicted in this artist's concept traveling through interstellar space, or the space between stars, which it entered in 2012. Voyager 1 has been using one of its two radio transmitters, called an X-band based on the frequency it utilizes, for decades. In the meantime, engineers sent a message to Voyager 1 on October 22 to check that the S-band transmitter was working and received confirmation on October 24. “The S-band signal is too weak to use long term,” Waggoner said.

Persons: Bruce Waggoner, hasn’t, Waggoner, it’s, ” Waggoner Organizations: CNN, NASA, JPL, Caltech, Jet Propulsion Laboratory, Space, Network, Engineers, Space Network Locations: Pasadena , California

☆ Voyager 1 survives clogged thruster issue billions of miles away
▼ + stars: | 2024-09-16 | by ( Ashley Strickland | ) edition.cnn.com time to read: +6 min

CNN —Engineers at NASA have successfully fired up a set of thrusters Voyager 1 hasn’t used in decades to solve an issue that could keep the 47-year-old spacecraft from communicating with Earth from billions of miles away. Currently the farthest spacecraft from Earth, Voyager 1 is about 15 billion miles (24 billion kilometers) away. Earlier this year, engineers spotted an issue when the fuel tube inside one of Voyager’s thrusters became clogged. Engineers switched again to the trajectory correction thruster set in 2018 when the second set also appeared clogged. Once the spacecraft has exhausted this thruster set, Voyager 1’s remaining option is the other already clogged set of attitude propulsion thrusters.

Persons: Calla, ”, It’s, Todd Barber, Suzanne Dodd, ” Barber Organizations: CNN — Engineers, NASA, Jet Propulsion Laboratory, JPL, Caltech, Engineers Locations: Pasadena , California

☆ Unusual world offers astronomers a glimpse into how planets become ‘hot Jupiters’
▼ + stars: | 2024-07-17 | by ( Ashley Strickland | ) edition.cnn.com time to read: +9 min

The star is one of a binary pair, so the planet orbits the primary star, while the primary star orbits a secondary star. While Jupiter takes 4,000 Earth days to complete one orbit around the sun, hot Jupiters complete one orbit every few days. Astronomers use “eccentric” to refer to the shape of a planet’s orbit on a scale from zero to 1. “It’s a pretty extreme process in that the changes to the planet’s orbit are massive,” Millholland said. Discovering a second hot Jupiter precursor is helping astronomers to confirm the idea that high-mass gas giants transform into hot Jupiters as they migrate from eccentric to circular orbits, the researchers said.

Persons: —, ”, Arvind Gupta, NOIRLab, Gupta, Suvrath Mahadevan, Verne, Willaman, Jason Wright, ” Wright, ” Gupta, Sarah Millholland, “, ” Millholland, Wright, James Webb Organizations: CNN —, Penn State, Astronomy, Mercury, NASA, Massachusetts Institute, Technology’s Kavli, for Astrophysics, Space Research, chrysalis Locations: Kitt, Arizona

☆ Voyager 1 resumes study of uncharted cosmic territory after computer glitch
▼ + stars: | 2024-06-18 | by ( Ashley Strickland | ) edition.cnn.com time to read: +5 min

Currently the farthest spacecraft from Earth, Voyager 1 stopped communicating coherently with mission control in November 2023. However, data from Voyager 1’s four science instruments, which study plasma waves, magnetic fields and particles, remained elusive. On May 19, the Voyager team sent a command to the spacecraft to start returning science data. Now, all four instruments are beaming back usable science data, according to an update shared by NASA on June 13. )”Long-lived space missionsMeanwhile, Voyager 1 is back to doing what it does best: Sharing insights from uncharted cosmic territory.

Persons: “, ” Long, Suzanne Dodd, ” Dodd Organizations: CNN, NASA, Voyager, Jet Propulsion Laboratory, JPL, Neptune Locations: Pasadena , California

☆ Fossil found on a beach by tween reveals massive marine reptile
▼ + stars: | 2024-04-20 | by ( Ashley Strickland | ) edition.cnn.com time to read: +6 min

Editor’s Note: A version of this story appeared in CNN’s Wonder Theory science newsletter. CNN —As Earth Day approaches and the Wonder Theory newsletter celebrates three years of arriving in your inboxes, I look to the future with hope. “And it’s up to you to choose what sort of impact you make.”Ocean secretsDr. Dean Lomax, (from left) Ruby Reynolds, Justin Reynolds and Paul de la Salle are shown with the fossil discovery in 2020. Dean LomaxIn May 2020, Ruby Reynolds, then 11, and her father, Justin, were searching for fossils on a Somerset beach along the English coast when she spotted something unusual. And when it came to sheer size, the marine reptile likely rivaled the blue whale, currently the largest living animal.

Persons: Jane Goodall, Goodall nurtures, Goodall, ” Goodall, Dean Lomax, Ruby Reynolds, Justin Reynolds, Paul de, Justin, ”, Gaia BH3, Nigel Raine, Dr, Matt Kasson, Ashley Strickland, Katie Hunt Organizations: CNN, Paul de la Salle, Indian Institute of Technology, ESA, West Virginia University, Explorations, NASA, International, CNN Space, Science Locations: Somerset, India, Indian Institute of Technology Roorkee, Guatemala, France, Australia, Naples , Florida, what’s, Canada

☆ Pluto’s heart was likely created by an ancient collision
▼ + stars: | 2024-04-18 | by ( Ashley Strickland | ) edition.cnn.com time to read: +7 min

A deep basin called Sputnik Planitia, which makes up the “left lobe” of the heart, is home to much of Pluto’s nitrogen ice. The New Horizons spacecraft took an image of Pluto's heart on July 14, 2015. Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/NASAThrough new research on Sputnik Planitia, an international team of scientists has determined that a cataclysmic event created the heart. The teardrop shape of Sputnik Planitia is a result of the frigidity of Pluto’s core, as well as the relatively low velocity of the impact itself, the team found. The researchers believe that the new theory regarding Pluto’s heart could shed more light on how the mysterious dwarf planet formed.

Persons: Clybe Tombaugh, Pluto, it’s, ”, Harry Ballantyne, Erik Asphaug, ” Asphaug, “ That’s, Sputnik Planitia, Martin Jutzi, Kelsi Singer, ” Singer Organizations: CNN, Regio, Johns Hopkins University Applied Physics Laboratory, Research Institute, NASA, Sputnik, Pluto, University of Bern, University of Arizona’s, Laboratory, University of Bern’s Physics, Kelsi, Southwest Research, New Locations: United States, Switzerland, Boulder , Colorado

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