London : TV astronomer Mark Thompson held the eye close to the lens of a telescope and after just 20 seconds a hole was burned straight through it.Thompson conducted the experiment ahead of Mercury passing across the front of the Sun on May 9.
London : TV astronomer Mark Thompson held the eye close to the lens of a telescope and after just 20 seconds a hole was burned straight through it.Thompson conducted the experiment ahead of Mercury passing across the front of the Sun on May 9.
