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visits member for 4 months
seen 14 hours ago

19h
awarded  Informed
1d
awarded  Notable Question
1d
awarded  Nice Question
2d
awarded  Popular Question
2d
accepted If Jupiter is a gas-giant then why don't its features change?
2d
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.
Jun
17
comment Is Mars visible from naked-eye from Michigan (47N, 88W) these days?
I know, but could get a better forum to ask.
Jun
17
comment Is Mars visible from naked-eye from Michigan (47N, 88W) these days?
thanks a lot Jeremy.