Apparently, this user prefers to keep an air of mystery about them.
10 How to detect emission lines in optical spectra? Oct 21 '13
6 is there any theory or observational evidence that our universe is electrically neutral or not? Jul 15 '14
5 which pulsar has the longest spin period so far? Jul 15 '15
4 moonless night and lunar phase Nov 24 '14
4 What can a lunar-based telescope do? Sep 7 '14