Geomagnetic storms triggered by a series of coronal mass ejections (CMEs) from the Sun have created intense auroral displays, visible from both Earth and orbit. According to NASA and the Space Weather Prediction Center, these solar events—including a “cannibal CME”—are driving G2 to G3 level geomagnetic conditions, potentially extending northern lights visibility to mid-latitude regions through early June 2026.
Why Are Astronauts Seeing More Intense Auroras?
Astronauts currently in orbit are reporting auroral displays far more vibrant than what is typically visible from the ground. NASA astronaut Jessica Meir shared time-lapse footage from the Crew Dragon capsule showing vivid green waves rippling beneath the spacecraft. Veteran astronaut Don Pettit observed “blood-red” arcs so bright they appeared to engulf his vessel. These observations highlight that from an orbital perspective, the aurora manifests as a continuous glowing ring encircling the poles, a view made possible by the spacecraft’s position above the dense layers of the atmosphere.
Auroras occur when charged particles from the Sun interact with Earth’s magnetosphere. While we see them as curtains of light, they are actually the result of energy coupling into the planet’s upper atmosphere, a process that intensifies during G2 or G3 class geomagnetic storms.
What Is Driving the Current Solar Activity?
The current light show is the result of multiple CMEs launched from the Sun on June 3, 2026. Data from the Space Weather Prediction Center indicates that one CME likely overtook another, creating a “cannibal CME” event. This phenomenon increases the density and speed of solar wind impacting Earth. The intensity of these displays depends on the magnetic field orientation within each CME, which determines how much energy is transferred into the magnetosphere. As these structures pass by, the energy levels can shift significantly over a matter of hours.
How to Catch the Northern Lights Near You
As the Sun nears the peak of its 11-year cycle, solar eruptions are becoming more frequent. Forecasters at NOAA have issued a G3 geomagnetic storm watch for June 8 and a G2 watch for June 9, 2026, linked to a fresh CME detected on June 6. To maximize your chances of seeing the aurora, experts recommend moving away from city light pollution and looking toward the northern horizon—or the southern horizon if you are in the Southern Hemisphere—around local midnight.
Keep an eye on the “anti-Hale” sunspot currently crossing the solar disk. With reversed magnetic polarity, it has been producing eruptions roughly every eight hours, suggesting that auroral activity may persist beyond the initial June 8–9 window.
Frequently Asked Questions
What is a “cannibal CME”?
It occurs when a fast-moving coronal mass ejection from the Sun catches up to and merges with a slower one launched previously, resulting in a more complex and potentially more powerful geomagnetic disturbance.
How far south can the aurora reach during a G3 storm?
During a G3 (strong) geomagnetic storm, the auroral oval can expand significantly, potentially bringing visible northern lights to mid-U.S. states and comparable latitudes across Europe and the Southern Hemisphere.
Why does the color of the aurora change?
The colors depend on which gases in the atmosphere are being excited by solar particles. Green is typically produced by oxygen molecules at lower altitudes, while deep red hues occur at much higher altitudes.
Have you captured any photos of this week’s geomagnetic storms? Share your experiences in the comments below or subscribe to our space weather newsletter for real-time alerts on the next solar event.
