A massive solar eruption was simultaneously recorded on Earth, the Moon, and Mars. ☀️ On October 28, 2021, the Sun let out a massive coronal mass ejection. It was so huge that it spread all the way to both Mars and Earth, even though they were on opposite sides of the Sun and about 250 million kilometers away from each other! Learn more about the solar event: https://bit.ly/3KnUKTQ GIF on loop: SOHO (ESA & NASA) | The Planetary Society