ExtremeSpace

The Deep Space Network, NASA’s international collection of giant radio antennas used to communicate with spacecraft at the Moon and beyond, helps scientists and engineers use gravity and radio science experiments to learn more about our planetary neighborhood. After reaching a spacecraft reaches its destination, it uses radio antennas to communicate with the Deep Space Network, which in turn transmits radio signals back to the spacecraft. Every spacecraft travels in a predetermined path emitting radio signals as it orbits around its target. Scientists and engineers can infer the spacecraft's location and how fast it's going by measuring changes in the spacecraft's radio signal frequency. This is made possible by the Doppler effect, the same phenomenon that causes a siren to sound different as it travels towards and away from you. The Doppler phenomenon is observed here when the spacecraft and the Deep Space Network antenna move in relation to each other. Differences between the frequency of radio signals sent by the spacecraft as it orbits and signals received on Earth give us details about the gravitational field of a planetary body. For example, if the gravity is slightly stronger, the spacecraft will accelerate slightly more. If gravity is slightly weaker, the spacecraft will accelerate slightly less. By developing a model of the planetary body's gravitational field, which can be mapped as a gravitational shape, scientists and researchers can deduce information about its internal structure. The Deep Space Network was developed by and is managed by NASA’s Jet Propulsion Laboratory (JPL) in Southern California. The antennas of the Deep Space Network are the indispensable link to robotic explorers venturing beyond Earth. They provide the crucial connection for commanding our spacecraft and receiving never-before-seen images and scientific information on Earth, propelling our understanding of the universe, our solar system and ultimately, our place within it. JPL manages the Deep Space Network for the Space Communications and Navigation (SCaN) Program, based at NASA Headquarters within the Space Operations Mission Directorate. Learn more about the DSN at go.nasa.gov/about-dsn Learn more about the DSN and the Doppler Shift at • How Do We Know Where Faraway Spacecra... Credit: NASA/JPL-Caltech

External cameras on the International Space Station captured views of major Hurricane Franklin at 9:56 a.m. EDT on Tuesday, Aug. 29, 2023 as the station flew 260 miles overhead. Franklin was located over the Atlantic well out to sea at the time of the flyover, packing winds of 130 miles an hour. Franklin is moving north-northeast over the Atlantic, according to the National Hurricane Center.

THIS VIDEO INCLUDES HIDDEN BLACK DWARFS, FEEDING BLACK HOLE, A DYING STAR, STAR FORMING REGION AND A BRIGHTENING STAR. THERE IS OBSERVATIONS OF 10 YEARS BY NEOWISE. Enabling a long-term analysis and a deeper understanding of the universe. For more information visit this website https://www.jpl.nasa.gov/missions/neo...

NASA lucy mission is heading to the Jupiter's trojan. Two primitive asteroids trapped in Jupiter's orbit, that might have clues holding of the formation of planets.

Audio collected by the waves instrument from NASA Juno space craft. It has recorded by passing through Jupiter's moon Europa on September 29, 2022.

NASA satellite video of the sun