Topic
020102 - Astronomical and Space Instrumentation
7
970102 - Expanding Knowledge in the Physical Sciences
6
020104 - Galactic Astronomy
4
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
4
Antarctica
2
0201 - Astronomical and Space Sciences
1
XXXXXX - Unknown
1
aurora
1
aurorae
1
cloud cover
1
site testing instruments
1
sky
1
sky brightness
1
surveys
1
winter
1