Gargantuan sunspot 15-Earths wide erupts with another colossal X-class solar flare (video) - Space.com
- Gargantuan sunspot 15-Earths wide erupts with another colossal X-class solar flare (video) Space.com
- Strong solar storm could trigger northern lights in United States The Washington Post
- Northern lights forecast says auroras possible above US this weekend USA TODAY
- All of Michigan could see Northern Lights on Friday night: What to know WDIV ClickOnDetroit
- Northern Lights possible in Michigan on Friday due to 'strong' geomagnetic storm WXYZ 7 Action News Detroit