2019
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Euclid
|
|
|
AstroSat
|
|
|
IXPE
|
|
|
Athena
|
Detailed explanation-1: -The Indian multi-wavelength space observatory AstroSat, launched in September 2015, continues to yield exciting results. Using this observatory, astronomers from Thiruvananthapuram and Mumbai have identified a new population of ultraviolet stars in the globular cluster NGC 2808.
Detailed explanation-2: -This week’s small-telescope target is globular cluster NGC 2808 in the southern constellation Carina the Keel. It shines at magnitude 6.2 and has a diameter of 13.8’. That means it covers 20 percent as much of the sky as the Full Moon.
Detailed explanation-3: -NGC 2808 is a globular cluster in the constellation Carina. The cluster belongs to the Milky Way, and is one of our home galaxy’s most massive clusters, containing more than a million stars. It is estimated to be 12.5-billion years old.