This is why Sun's atmosphere is much hotter than its surface
The corona is hundreds to thousands of times hotter than the Sun's visible surface, the photosphere.
It's raining plasma on the Sun's surface! NASA's IRIS captures the captivating explosion – Watch video
The sun is a constantly changing body and IRIS is helping NASA scientists reach into the depths of why and how it does what it does.
Aug 07, 2016, 21:39 PM IST