सामयिक विषय: Scientific

Massive Asteroid will zoom near Earth on February 4th – at 76,000 mph

Massive Asteroid

Question: What is the name of massive asteroids that has passed close to the Earth in February 2018?
(a) 2002 AP 128
(b) 2002 AJ 129
(c) 2003 AJ 139
(d) 2003 AJ 129
Answer: (b)
Related Facts:

  • On February 4th, 2018, a massive asteroid Passed close the Earth
  • The name of this asteroid is 2002AJ129.
  • It was expected to be the largest and speediest space object to whiz past the Earth in 2018.
  • At the time of closest approach, the asteroid was no closer than 10 times the distance between Earth and the Moon (about 2.6 million miles, or 4.2 million kilometers).
  • The 0.7-mile long body is larger than the tallest building on Earth, Dubai’s half-mile high Burj Khalifa skyscraper.
  • Its speed was 76,000 miles / hour (122, 400 km / h).
  • NASSA has classified this asteroid as Potentially Hazardous.


smallest rocket ever to carry satellite into orbit

World’s smallest satellite-carrying rocket

Question: Which of the following countries in February 2018had successful launched the world’s smallest rocket capable of setting up a satellite in a orbit?
(a) China
(b) Japan
(c) Russia
(d) France
Answer- (b)
Related Facts:

  • On February 3rd 2018, the Japan Aerospace Exploration Agency (JAXA) successfully launched the world’s smallest rocket capable of setting up a satellite in the class.
  • It was launched from the Uchinoura Space Center in Kagoshima province of Japan.
  • The rocket named, SS-520 series, which measures 10 metres in length and 50 centimetres and is about the size of a utility pole.
  • According to the Cubusat agency, in a nominal position, it will be used to collect images of earth surface through multiple cameras.
  • The height of this rocket is 10 meters and diameter 50 cm is.
  • Initially the SS-520 was designed as a sounding rocket.
  • This rocket has been launched for the second time, earlier it was launched on February 15th, 2017 which was failed.


Successful Flight Test of ATGM NAG

Successful test of anti-tank guided missile (ATGM) ‘Nag’

Question- On February 28th, 2018, where did successfully test of the indigenously built anti-tank guided missile (ATGM) ‘Nag’ was done?
(a) Andhra Pradesh
(b) Odisha
(c) Tamil Nadu
(d) Rajasthan
Answer: (d)
Related Facts:

  • On February 28th, 2018, India has successfully tested indigenously built anti-tank guided missile (ATGM) Nag.
  • This test was done successfully on two tanks at different ranges and time in the desert of Rajasthan.
  • The simultaneous development tests of the missile have been completed.
  • It is now ready to be deployed.
  • This is a third-generation missile in the ‘fire and forget’ category, which is equipped with advanced imaging infrared radar.
  • It is one of the five missile systems developed by the Defense Research and Development Organization (DRDO) under integrated guided missile development program (IGMDP).
  • The other four missiles developed under this program are ‘Agni’, ‘Akash’, ‘Trishul’ and ‘Prithvi’ respectively.


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