Aditya, you submitted your poem on the 14th of this month only. The other article on stars was submitted on the 12th. The link you provided for the third article is leading to an error page. Though we try to clear all submitted articles within a limited timeframe, some delay in a few cases, especially those submitted by relatively new contributors may take a little more time. Please wait for your articles to fall in the queue.
Dr Shashikanth, you submitted your article on the 11th. In addition to what I have stated above for Aditya, I would also like to tell you that articles on some specialised topics may take a bit longer to be reviewed. In your case, it is seen that you have not provided the source of the images nor have you certified that those are original pictures clicked by you. Anyway, wait for an editor to check out the content. (It would have been better if you had raised a separate thread. Follow this thread for the time being).
The article editors have been notified. Please wait for a response.
'Knowing others is wisdom, knowing yourself is Enlightenment'- Lao Tzu