CURRENT AFFAIRS

2021

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
NASA has released an image of which galaxy cluster?
A
Abell 370
B
Sirius
C
Abacus
D
Neilson
Explanation: 

Detailed explanation-1: -This image shows the galaxy cluster SMACS 0723 as it appeared 4.6 billion years ago, with many more galaxies in front of and behind the cluster.

Detailed explanation-2: -“It’s astounding. It’s an historic moment for science and technology, for America and all of humanity.” The first full-colour image from Nasa’s James Webb space telescope of galaxy cluster SMACS 0723 compared to the older Hubble Image.

Detailed explanation-3: -A new analysis of distant galaxies imaged by NASA’s James Webb Space Telescope shows that they are extremely young and share some remarkable similarities to “green peas, ” a rare class of small galaxies in our cosmic backyard.

Detailed explanation-4: -The first Webb image the world saw is of a galaxy cluster known to astronomers as SMACS 0723 (opens in new tab). It lies in the southern hemisphere sky and is 5.12 billion light-years from Earth. The detail of the thousands of individual galaxies in the image is stunning.

Detailed explanation-5: -The visual grouping of five galaxies was captured by Webb’s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI).

There is 1 question to complete.