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20h
awarded  Editor
Nov
21
comment Pictures of a curious astronomical phenomenon
Perhaps a firefly. As other one is visible too in the brighter contour.
Oct
30
awarded  Informed
Oct
29
awarded  Notable Question
Oct
29
awarded  Nice Question
Oct
29
awarded  Popular Question
Oct
29
accepted If Jupiter is a gas-giant then why don't its features change?
Oct
28
asked If Jupiter is a gas-giant then why don't its features change?
Sep
2
accepted Can Summer Triangle asterism be used for navigation?
Jul
18
comment Can Summer Triangle asterism be used for navigation?
Well. So, how accurate the result be from above calculation, in comparison to GPS, if the altitude and RA of any star are accurately measured?
Jul
17
asked Can Summer Triangle asterism be used for navigation?
Jul
2
accepted Percent-illumination of crescent moon and its naked-eye visibility?
Jun
27
comment Percent-illumination of crescent moon and its naked-eye visibility?
So, that means that we cant be sure that whether crescent moon be visible or not with naked eye, depending on percent-illumination?
Jun
26
asked Percent-illumination of crescent moon and its naked-eye visibility?
Jun
18
comment Is Mars visible from naked-eye from Michigan (47N, 88W) these days?
I saw yesterday both MARS and Saturn in south at 220Az, 35El and 180Az, 25El respectively, at 10: 45 pm, 17 June 2014 :)
Jun
17
comment Is Mars visible from naked-eye from Michigan (47N, 88W) these days?
@FlorinAndrei thanks for very terse and precise answer.
Jun
17
comment Is Mars visible from naked-eye from Michigan (47N, 88W) these days?
Its great app. Thx
Jun
17
awarded  Scholar
Jun
17
awarded  Supporter
Jun
17
comment Is Mars visible from naked-eye from Michigan (47N, 88W) these days?
Would you please let me know that, how big MARS can be, in comparison to moon or north star.