Venus earthquake detector: NASA develops a balloon that can monitor earthquakes!

Researchers from NASA’s Jet Propulsion Laboratory (JPL) and the California Institute of Technology (Caltech) have successfully used balloons to detect earthquakes in the deserts of California. Now, they are looking into the possibility of applying the same technique in studying seismic activity on other planets, such as Venus.

The Voice of America published this experiment to test whether such balloons could be brought to Venus to explore the planet’s seismic activity. The report further stated that NASA has prepared plans for future missions to Venus.

NASA carried out the experiment in July 2019 when strong tremors hit the area around Ridgecrest, California. The 6.4-magnitude earthquake occurred on July 4 of that year, the US National Geological Survey reports. Other strong tremors affected the area in the following days, with aftershocks totaling 10,000 aftershocks in the following six weeks.

seismic detector venus? NASA JPL-Caltech study aims to launch balloon probes at Venus

Researchers from the Jet Propulsion Laboratory and the California Institute of Technology flew instruments mounted on high-altitude balloons into the region to make the first-ever balloon-based detection of a natural earthquake. The researchers’ ultimate goal was to test the innovation of their next project, Venus, in which balloons with attached scientific instruments could hover over the surface of a fantastically hostile planet and possibly detect “earthquakes.”

The experiment involved four large solar-powered balloons designed to float to altitudes between 18 and 24 kilometers. The researchers enclosed scientific instruments such as barometers that measure changes in air pressure. These scales are used to track sound waves that are emitted from beneath the surface during earthquakes and aftershocks.

Read also: NASA chooses Venus as the next space exploration mission

Analysis of the seismic activity of a rocky planet, such as Earth, will allow researchers to discover more about how the planet evolved into its current state.

Then researchers from NASA and the California Institute of Technology succeeded in detecting the California earthquake. An article on NASA’s website on July 22, 2019, revealed that highly sensitive balloon-mounted barometers identified low-frequency sound waves caused by an aftershock on Earth.

In their study published in Geophysical Research Letters, the NASA-Caltech team notes that a similar technique could lead to unraveling the mysteries of Venus’ scorching surface temperatures that cause enough blisters to melt lead — with atmospheric pressure that can crush a submarine.

Venus is roughly the size of the Earth, and it has been modeled as having enjoyed a hospitable environment in the distant past. The planet has since turned into a very hostile world — how this happened is a fact NASA scientists want to know.

NASA’s JPL-Caltech probe analyzes the interior of the planet through seismic waves

To determine this, these scientists need to know what’s inside the surface of Venus by measuring seismic waves. Study co-author Dr. Jennifer S. Jackson, William E. Leonard Professor of Mineral Physics at Caltech’s Seismic Laboratory revealed in a Space.com report that similarly, understanding Earth’s interior — how it behaves in relation to the surface, how it cools, where life exists — can It is achieved by “analyzing seismic waves that cross regions as deep as the Earth’s inner core.”

While studying seismic activity could be possible on other planets like Venus using this method, Dr. Jackson also emphasized that such an analysis would be challenging. “…the harsh environment of Venus requires us to investigate new detection techniques.”

The Jet Propulsion Laboratory and the California Institute of Technology have been developing the balloon-based method since 2016. With this technology, seismic waves are converted into sound waves and data is collected from the Earth’s interior into the atmosphere. These sound waves can then be analyzed from the air in the same way they are analyzed from Earth, according to a NASA article report.

Related article: Russian simulation finds life can exist on Venus where microorganisms thrive in their harsh environment

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