Could this be the Perfect Geo-storm? October is off to a hot start: The sun unleashed a massive X-class solar flare — the “strongest of its kind,” according to Space.com — that has the potential to pummel our planet with a powerful geomagnetic storm this week. The supercharged sunburst erupted from sunspot AR3842 on Tuesday evening. It clocked in at X7.1, making it the second most powerful in the last seven years after the monster X8.7 magnitude in May, Live Science reported. This also triggered a coronal mass ejection (CME) — when plasma and magnetic particles burst forth from the...