Science and the Universe: New Horizon Flies Over Pluto Today

An unmanned space craft guns for the un-explored Pluto planet today.This will allow scientists the closest look at the dwarf planet. You can follow the trend with the Twitter hashtag: #PlutoFlyBy.

T-5 hours. Only 154,355 miles / 248410.3km left till closest approach! So close, you can count on 1 hand. #PlutoFlyBy pic.twitter.com/qDxQbQJfVl

— NASA New Horizons (@NASANewHorizons) July 14, 2015

As the contdown continues, there were jitters that the space craft could be lost in collision with debris around the planet Pluto, according to principal investigator Alan Stern.

It's like Christmas in July & we've been up all night! Thanks for following along on this 9+ year journey! pic.twitter.com/uAgN7dwMB2

— NASA New Horizons (@NASANewHorizons) July 14, 2015

The 100 million dollar spacecraft named New Horizon will come closest to the planet today at 7:49 am (1149 GMT) at the speed of 30,800 miles (49,570 kilometers) per hour.New Horizons will send a signal to Earth at 4:20 pm (2020 GMT) and it will take five hours to reach our planet earth. It means NASA will only be announcing it on Wednesday.