China Launched Hard X-Ray Modulation Telescope | Long March-4B Rocket

Hard X-Ray Modulation Telescope

Hard X-Ray Modulation Telescope - On June 15, Thursday 11:00 am China has launched Hard X-ray Modulation telescope named as Insight from Jiluquan satellite launch Center in northwest china’s Gobi desert. Long March-4B rocket  carried the 2.5 tons Insight and  it was delivered into the orbit 341 miles (550km) above the earth.

Long March-4B Rocket:

Long March-4B rocket is a Chinese orbital carrier rocket. Long March-4B rocket is also called Chang Zheng 4B, CZ-4B and LM-4b. Long March-4B was first launched on 10 may 1999. The height of Long March -4B rocket is 44.1meters (145ft), and diameter is 3.35 meters (11.0ft). Long March-4B has total 28 launches, 27 successes and 1 failure on 9 December 2013.

Hard X-ray Modulation Telescope:

The main aim of Hard X-ray modulation telescope is to study the activity of black holes, gamma ray bursts related to gravitational waves, and pulsars. It carries the high energy X-ray telescope (HE), the medium energy X-ray telescope(ME), and the low energy X-ray telescope (LE) , that cover a broad energy band from 1 keV to 250 keV. Actually 100 million black holes are present in our galaxy. Scientists are hopeful of  the Insight which  has a high capability to find new black holes, neutron stars emitting bright x-rays and scan the galaxy.

Black Holes:

Black hole contains high gravity pulls from which even light cannot get out. We cannot see black holes; special tools should be used to find them. Black holes can be small or big. Different kinds of black holes are in the space -- small, stellar and supermassive. Black holes are formed when stars are burnt or collapse themselves. Black holes consume gas and dust from galaxy, growing in size. Stars have the three times more than mass of sun.

Gamma Rays Bursts:

Gamma Rays burst are most common explosions in the universe. Gamma Rays bursts  occur for few milliseconds to several minutes. Gamma Rays burst off burning million trillion times brighter than sun. There are two types of Gamma Rays Burst:  Short-duration Gamma Rays  and long –Duration Gamma rays.

Short-Duration Gamma Rays Burst:

Short –duration burst occurs just milliseconds to 2 seconds. The gamma rays burst appear when neutron stars with a black hole to form a large black hole and two neutron star merge to form a new black hole.

Long –Duration Gamma Rays Burst:

Long –duration Gamma rays occurs 2 seconds to several minutes. Gamma Ray Bursts appear when Deaths of massive stars in supernova occur.

Hard X-Ray Modulation Telescope

Supernova:

Supernova means explosion of stars and it mainly occurs in other galaxies. Supernova is difficult to see in our Milky Way galaxy because it occurred more than hundred years ago. There are two types of supernova. Scientist use different types of telescopes to study supernova.

First Type Supernova:

First type supernova occurs when two stars, one is dwarf star and other is either a giant star or another dwarf star, rotate around one another. White dwarf star accumulates too much matter causing it to explode, resulting in a supernova.

Hard X-Ray Modulation Telescope

Second Type Supernova:

Second type supernova occurs when  a giant star explodes which is at least 8 times more massive than our sun or less than 40 to 50 times the solar mass .

Neutron Stars:

Neutron stars are formed when stars 5-6 times more massive than our sun explode blowing off their outer layers in spectacular display with the core getting condensed by fusing electrons and protons together into fully packed more number of neutrons. The size of the neutron star is equal to one large city of 20 kilometer radius. The matter in a neutron star is so densely packed that a spoonful of it weighs billion tonnes.  Billion neutron stars are present in our Milky Way galaxy. Neutron stars belong to a subclass known as pulsars. Pulsars are highly magnetized. Rotating pulsars with magnetized poles emit  electromagnetic radiation. Pulsars are similar to neutron stars in formation.

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