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A record flare recorded in 2003 in Region 486 of the sun. Photo: NASA via Getty Images

The upcoming 11-year solar cycle, which kicks off in 2020, is forecast to be quieter than the last but that doesn’t mean we should be complacent about solar storms, experts say.

Why it matters: Although rare, an extreme coronal mass ejection (CME) — a large burst of plasma sent out by the Sun — could cause a months-long blackout, harm satellites and cause billions in damage.

  • "If you do enough damage with a solar storm, then you start to take out the basic fabric of society," solar physicist Scott McIntosh told Axios.
  • Space weather can also pose a danger for astronauts in space.

The big picture: Even during relatively calm solar cycles, the Sun can assert itself in ways that could affect everything from GPS reliability to whether the lights stay on in your home.

  • "The fundamental challenge for us really is that the physics is so complex, that we don't have a full understanding of the science of space weather," NASA solar scientist Antti Pulkkinen told Axios.
  • Once a CME is detected by a fleet of satellites tracking the Sun, it takes anywhere from 18 hours to a couple of days for a CME to arrive in Earth's part of space.

It's happened before: Perhaps the most extreme example of a damaging solar storm occurred in 1859, when a huge CME hit Earth, lighting telegraph lines on fire and creating auroras that could be seen almost everywhere on the planet.

If our modern world were hit with a CME of that strength, the results would be far more costly and damaging than they were in the 1800s.

Details: Beyond satellites in space, experts are worried about the stability of critical infrastructure on the ground if a major CME were to impact our planet.

  • Utility operators can take certain parts of their systems offline if a big solar storm is detected and the electric grid is considered vulnerable.
  • However, utilities are still researching what exactly should be done in order to best protect the grid.

But, but, but: It would take a minimum of $3 billion to gird vulnerable transformers against the danger posed by these types of storms, according to Thomas Popik of the Foundation for Resilient Societies, a non-profit focused on protecting society from natural and human-caused threats.

What to watch: Last year, the Department of Energy established rules governing how emergency measures could be put in place to guard the grid against a storm.

  • In March, the Trump administration released an action plan centered on characterizing the threats from solar storms and then finding ways of mitigating them.

The bottom line: Because of the high stakes involved, some are calling for more rigorous legislation and regulation to make the U.S. more resilient.

  • Popik and other experts hope utilities will install hardware to protect vulnerable transformers.

Go deeper: What we still don't know about the Sun

Go deeper

AOC and Ilhan Omar want to block Biden’s former chief of staff

Reps. Ilhan Omar and Alexandria Ocasio-Cortez. Photo: Brendan Smialowski/Getty Images

Reps. Alexandria Ocasio-Cortez and Ilhan Omar are boosting a petition against Joe Biden nominating his former chief of staff to a new role in his administration, calling Bruce Reed a "deficit hawk."

Why it matters: Progressives are mounting their pressure campaign after the president-elect did not include any of their favored candidates in his first slate of Cabinet nominees, and they are serious about installing some of their allies, blocking anyone who doesn't pass their smell test — and making noise if they are not heard.

2 hours ago - Podcasts

Butterball CEO Jay Jandrain talks turkey

Butterball estimates that it sells one out of every three Thanksgiving turkeys, but knows that this year's celebrations will be different than years past.

Axios Re:Cap talks with the turkey giant's CEO Jay Jandrain about what people are buying, what they're asking the "Turkey Talkline" and what the pandemic has meant for his business.

Biden introduces top national security team

President-elect Joe Biden's nominee for Secretary of State Antony Blinken spoke Tuesday at an event introducing the incoming administration's top national security officials, where he told the story of his stepfather being the only one of 900 children at his school in Poland to survive the Holocaust.

What they're saying: "At the end of the war, he made a break from a death march into the woods in Bavaria. From his hiding place, he heard a deep rumbling sound. It was a tank. But instead of the iron cross, he saw painted on its side a five pointed white star," Blinken said.

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