The SuperMoon Of December

The SuperMoon of December

The moon became totally full at 10.47 EST (1547 GMT) a.m. on 3rd December and it officially reached perigee on December 4 at 3:45 a.m. EST (0845 GMT), when it was 222,135 miles (357,492 kilometers) away from Earth. Specifically, it happens when a full moon approximately coincides with the moon’s perigee or another point in its orbit at which it is closest to Earth: it appears up to 14% larger and 30% brighter than usual. For those of you who don’t know, a perigee is “the point in the orbit of an object (such as a satellite) orbiting the earth…

The Flyby Asteroid 2012 TC4

The flyby asteroid 2012 TC4

The last 12 October 2017 at 7.42 a.m. it was done the first anti-asteroid exercise with the 2012 TC4 asteroid. The 2012 TC4 grazed the Earth, in particular the Antarctic, less than 44.000 km that is one-tenth of the distance between Earth and Moon. It was discovered on 4th October 2012 when it was distant 4.500.000 km from Earth and it came up with a speed of 30.000 miles per hour. This 15 metres of diameter asteroid falls into the category of near-earth object (NEO) of the Apollo group. In this manner the asteroid had permitted the first planetary defence…