All Questions
Tagged with astronomy planetary-science
3 questions
2
votes
1
answer
274
views
Lunar surface illumination levels
I am trying to determine the lunar surface near or far side daytime illumination levels in Lux or foot-candles but there seems to be no directly measured values available. I did find this information ...
6
votes
0
answers
170
views
What are the contributions of ancient Indian astronomers in mapping of the solar system and galaxies?
In the history of astronomy we usually come up with the name of European astronomers like Kepler and Galileo. Earlier Indian astronomers, for example Aryabhata and Bhaskaracharya, are not usually ...
40
votes
4
answers
7k
views
If there's nothing special about Pluto, why was it discovered so early?
Pluto was recently re-classified, losing its official status as the ninth planet, because a bunch of other dwarf planets were found in its orbital region that were too numerous and insignificant to ...