With reference to the Aryabhatta Research Institute of Observational Sciences (ARIES), consider the following statements:1. Indian astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES) have discovered Gaia 20eae, the latest member of episodically accreting young stars.2. It is an autonomous institute under the Department of Science andamp; Technology.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?

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With reference to the Aryabhatta Research Institute of Observational Sciences (ARIES), consider the following statements:

1. Indian astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES) have discovered Gaia 20eae, the latest member of episodically accreting young stars.

2. It is an autonomous institute under the Department of Science & Technology.

Which of the statements given above is/are correct?

a)
1 only
b)
2 only
c)
Both 1 and 2
d)
Neither 1 nor 2

Correct answer is option 'C'. Can you explain this answer?

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With reference to the Aryabhatta Research Institute of Observational S...

Indian astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES), an autonomous institute under the Department of Science & Technology, have discovered Gaia 20eae, the latest member of episodically accreting young stars.

Scientists have spotted a new member belonging to the extremely rare group of young stars that exhibit episodic accretion.
Such rare stars have gained significant interest in the star-formation community lately and this study could help probe into this group of stars and their formation mechanism in greater detail.
Episodically accreting young stars are young, low-mass stars that have not initiated hydrogen fusion in their core and are fuelled by gravitational contraction and deuterium fusion (pre-main-sequence phase of the star).
These pre-main-sequence stars are surrounded by a disc from which it steadily feeds on the matter from the disc-shaped region of gas and dust surrounding the star to gain mass.
This process is known as mass accretion from the circumstellar disc of the star.
On occasions their feeding rate increases. This is known as the periods of enhanced mass accretion from their circumstellar disc.
So far 25 such rare groups of stars have been discovered.

Hence both statements are correct.

Answered by Notes Wala · View profile

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With reference to the Aryabhatta Research Institute of Observational Sciences (ARIES), consider the following statements:1. Indian astronomers from the Aryabhatta Research Institute of Observational Sciences (ARIES) have discovered Gaia 20eae, the latest member of episodically accreting young stars.2. It is an autonomous institute under the Department of Science & Technology.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?

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