Nasa latest discovey. Spacecraft will travel almost 90 millions miles

The launch of our parkar solarprobe spacecraft marks the beginning of a historical journey to fly closer to sun than any other human-made object.
The spacecraft will travel almost 90 millions miles and eventually enter through the sun's outer atmosphere to encounter an environment of intense heat and solar radiation. Here's what we hope to learn form the mission that launches at 3:33am ET on Saturday‚ aug. 11: