Cosmic Disasters

Earth faces various dangers from the cosmos, but the primary cosmic threats are asteroid (meteor) impacts, solar flares and cosmic rays.

Space rocks can collide with our planet, causing significant damage and potential extinction-level events. While many asteroids are small and burn up in the atmosphere, larger ones can pose a serious threat to life on Earth. Scientists closely monitor near-Earth objects to assess the risk of impact and develop strategies to mitigate this danger.

Solar flares are another cosmic danger that can impact Earth. These intense bursts of radiation from the Sun can disrupt communication systems, satellites, and power grids on our planet. Solar flares have the potential to cause widespread power outages and disrupt our technology-dependent society. Monitoring solar activity and developing early warning systems are crucial in preparing for and minimizing the impact of these cosmic events.

In addition to asteroid impacts and solar flares, Earth is also vulnerable to cosmic rays. These high-energy particles originate from sources such as supernovae and black holes in outer space. While our atmosphere provides some protection against cosmic rays, astronauts in space and high-altitude travelers are at greater risk of exposure. Long-term exposure to cosmic rays can have harmful effects on human health, including an increased risk of cancer and genetic mutations.

Solar Cycle 25: What You Need to Know About Solar Activity

November 22, 2023
Learn how solar cycle 25 drives solar flares, sunspots and coronal mass ejections, what risks they pose, and how your family can prepare for them.

Rare Meteor Shower Tonight

November 21, 2019
Meteors pass closely to earth all the time. Want evidence, look up, tonight! This evening a rare meteor shower will be visible around 11:15 pm EST.

Solar Flare Preparedness: How to Be Prepared for a Solar Flare

August 16, 2022
Learn solar flare preparedness steps: stock food and water, protect electronics from surges, prepare your home and car, and keep cash on hand for outages.

Asteroid Impact Risk: Understanding the Dangers from Space

March 19, 2024
Learn how asteroid impact risk is measured, what a strike could do to Earth, and how scientists detect and deflect space rocks to protect the planet.
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