Current Affairs - Science

Exercise :: Science - Latest Current Affairs

  • Science - Latest Current Affairs
41. 

Name the most massive neutron star discovered by astronomers from West Virginia University (U.S).

A. MSP J0740+6620
B. MNS J0730+6620
C. MVS J0720+6620
D. MDS J0720+6620

Answer: Option A

Explanation:

Astronomers at West Virginia University (U.S) of the National Science Foundation (NSF) in Pocahontas County, United States (US) have discovered the most massive neutron star ever called MSP J0740+6620. It is one of the densest objects in the known universe. The research was published in the journal Nature Astronomy.

42. 

ISRO and __________ join hands for the development of human-centric systems for the Human Space Mission.

A. DRDO
B. HAL
C. NASA
D. SpaceX

Answer: Option A

Explanation:

The Indian Space Research Organisation (ISRO) joined hands with Defence Research and Development Organisation (DRDO) for the development of human-centric systems for the Human Space Mission to demonstrate its human space flight capabilities. The purpose behind the development is to provide technologies for human-centric systems and technologies specific to the Human Space Mission. ISRO aims to demonstrate human spaceflight capability before the 75th anniversary of India's independence in 2022.

43. 

How many satellites did China launched for disaster management and climate monitoring?

A. 3
B. 4
C. 5
D. 6

Answer: Option A

Explanation:

China successfully launched three satellites including a resource satellite into planned orbits which will help in disaster prevention, urban construction and monitor polar regions and global climate change. The resource satellite and two small satellites were launched on a Long March-4B carrier rocket at 11:26 am local time from the Taiyuan Satellite Launch Centre in north China's Shanxi Province.

44. 

Name the missile which was recently tested by the DRDO in Kurnool, Andhra Pradesh.

A. NAG
B. Dhanush
C. Nirbhay
D. MPATGM

Answer: Option D

Explanation:

The Defence Research and Development Organisation (DRDO) has successfully flight-tested Man Portable Antitank Guided Missile (MPATGM), an indigenously developed low weight and fire and forget missile. The flight test was conducted in the ranges of Kurnool in Andhra Pradesh.

45. 

Water has been discovered on which potentially habitable super-Earth?

A. K2-18d
B. K2-18c
C. K2-18a
D. K2-18b

Answer: Option D

Explanation:

Water has been detected by scientists in the atmosphere of a potentially habitable super-Earth. The exoplanet, named K2-18b, is twice the size and eight times the mass of Earth. K2-18b is the first planet outside the solar system in the habitable zone of its star known to have water in its atmosphere.