AstronomyWatch the latest water satellite unfold itself in space

Watch the latest water satellite unfold itself in space

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This illustration exhibits the SWOT spacecraft with its antenna mast and solar arrays absolutely deployed. Credit score: NASA/JPL-Caltech

The Floor Water and Ocean Topography (SWOT) satellite launched into Earth orbit on Friday, Dec. 16, from Vandenberg House Pressure Base in central California, and engineers are working to arrange the mission to start measuring the peak of water on over 90% of Earth’s floor, offering a high-definition survey of our planet’s water for the primary time.

However earlier than it could actually do this, the satellite would wish to unfold its giant mast and antenna panels (see above) after efficiently deploying the solar panel arrays that energy the spacecraft. The mission screens and controls the satellite utilizing telemetry information, nevertheless it additionally geared up spacecraft with 4 custom-made industrial cameras to report the motion.

The solar arrays absolutely deployed shortly after launch, taking about 10 minutes.

Two cameras aboard the Floor Water and Ocean Topography (SWOT) satellite captured the massive mast and antenna panels of the spacecraft’s predominant science instrument deploying over 4 days, a course of that was accomplished on Dec. 22, 2022. The masts, which unfold from reverse sides of the spacecraft, could be seen extending out from the spacecraft and locking in place, however the cameras stopped wanting capturing the antennas on the ends of the masts being absolutely deployed (a milestone the staff confirmed with telemetry information). This video locations the 2 digital camera views facet by facet. Credit score: NASA/JPL-Caltech/CNES

The antennas efficiently deployed over 4 days, a course of that was accomplished on Dec. 22. The 2 cameras centered on the KaRIn antennas captured the mast extending out from the spacecraft and locking in place however stopped wanting capturing the antennas being absolutely deployed (a milestone the staff confirmed with telemetry information.)

Thirty-three ft (10 meters) aside, at both finish of the mast, the 2 antennas belong to the groundbreaking Ka-band Radar Interferometer (KaRIn) instrument. Designed to seize exact measurements of the peak of water in Earth’s freshwater our bodies and the ocean, KaRIn will see eddies, currents, and different ocean options lower than 13 miles (20 kilometers) throughout. It can additionally acquire information on lakes and reservoirs bigger than 15 acres (62,500 sq. meters) and rivers wider than 330 ft (100 meters) throughout.

This sequence of pictures exhibits the deployment of the solar arrays that energy the worldwide Floor Water and Ocean Topography (SWOT) satellite. The mission, led by NASA and the French space company Centre Nationwide d’Études Spatiales (CNES), captured the roughly 10-minute course of with two of the 4 industrial cameras aboard the satellite (the identical kind used to seize NASA’s Perseverance rover touchdown on Mars). SWOT launched Dec. 16, 2022, at 3:46 a.m. PST from Vandenberg House Pressure Base in California, and the arrays began their deployment at 5:01 a.m. PST. Credit score: NASA/JPL-Caltech/CNES

KaRIn will do that by bouncing radar pulses off the floor of water on Earth and receiving the indicators with each of these antennas, amassing information alongside a swath that is 30 miles (50 kilometers) large on both facet of the satellite.

The info SWOT gives will assist researchers and decision-makers tackle among the most urgent local weather questions of our time and assist communities put together for a warming world.

Quotation:
Watch the most recent water satellite unfold itself in space (2022, December 29)
retrieved 29 December 2022
from https://phys.org/information/2022-12-latest-satellite-unfold-space.html

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