Astronomy
Ng Ph
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All Questions Answers
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4
If months are based on the moon, then why are the months longer in the Gregorian calendar than lunation?
May 24 '21
3
What are the differences between astronomy and cosmology?
Jun 10 '21
3
How does NASA estimate the size of the population of Near-Earth Objects (NEO) of diameter>140 meters?
Jul 19 '21
2
When an object revolves around an oblate planet, in near-circular orbit, does the oblateness ALWAYS make it moves FASTER?
May 25 '21
2
Can someone explain to me the TEME reference frame in defining orbital coordinates?
Jun 3 '21
1
Probability of transit of an exoplanet in front of its star
Jan 17
1
What are opinions of most planetary scientists on this study (link below), were there already some complex reviews in scientific journals?
Oct 14 '21
1
Search of technosignatures (and the reciprocity of SETI) [closed]
Jan 15
0
Logically, how can the universe be infinite in size?
Oct 21 '21
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11
Can we use something like RADAR to detect asteroids?
11
Why doesn't James Webb have a larger supply of thruster propellant?
11
How will JWST extract the infrared signal from the desired early sources from all the other infrared it will see?
10
How many images of Didymos could be transmitted by Dart between the first full size image and the impact?
8
If Country A's rocket hits an incorrectly declared satellite of Country B, which institution can arbitrate the dispute? Under which international law?

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