Current Affairs - Science

Exercise :: Science - Latest Current Affairs

  • Science - Latest Current Affairs
11. 

Researchers of which country have recently discovered a massive black hole in the Milky Way?

A. India
B. USA
C. China
D. Russia

Answer: Option C

Explanation:

Researchers from the National Astronomical Observatory of China have discovered a black hole in the Milky Way. The black hole is so huge that it challenged the existing models of the evolution of stars. The black hole was discovered by an international team of scientists using China's sophisticated Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) telescope.

12. 

Which high resolution imaging satellite has recently been launched by ISRO?

A. WorldView 1
B. GeoEye-1
C. QuickBird
D. Cartosat-3

Answer: Option D

Explanation:

Cartosat-3 satellite will be launched from Satish Dhawan Space Centre on November 27. Cartosat-3 is the highest resolution imaging satellite which will be useful in weather mapping and for defence purposes. The satellite will be joined by 13 commercial nanosatellites from the US.

13. 

What is name of NASA's first electric airplane?

A. P-51 Mustang
B. X-57 Maxwell
C. B-52 Stratofortress
D. U-2 spy plane

Answer: Option B

Explanation:

The first all-electric configuration of NASA's X-57 Maxwell now is at the agency's Armstrong Flight Research Centre in Edwards, California.

14. 

NASA has recently detected water vapours on which Jupiter's moon?

A. Europa
B. Ganymede
C. Callisto
D. Io

Answer: Option A

Explanation:

NASA scientists have detected water vapor above the surface of Jupiter's moon Europa for the first time. Overall, the moon may hold twice as much water as Earth. An upcoming NASA spacecraft will travel to Europa to hunt for more clues about possible alien life.

15. 

Which rocket of ISRO is to launch USA's commercial nano satellites?

A. PSLV-C48
B. PSLV-C46
C. PSLV-C47
D. PSLV-C45

Answer: Option C

Explanation:

The Indian Space Research Organization will launch 13 commercial nano satellites of the United States along with the imaging and mapping satellite Cartostat-3. The launch is scheduled on November 25, 2019.The satellites will be launched by PSLV-C47, a Polar Satellite Launch Vehicle into Sun Synchronous Orbit from Satish Dhawan Space Centre at Sriharikota.