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Top Questions
9
votes
How was the First Point of Aries measured in ancient times?
history
positional-astronomy
asked Jul 9, 2022 at 18:00
astronomy.stackexchange.com
6
votes
What are these "fountains" during the deluge for the Super Heavy launch?
spacex-super-heavy
asked Nov 19, 2023 at 1:49
space.stackexchange.com
Top Answers
60
In this image taken by Voyager 1, which is closer: the earth or the moon?
astronomy.stackexchange.com
28
What could be an explanation for a satellite-like moving light in the night sky that dims over time
astronomy.stackexchange.com
23
How do planetarium apps and software calculate positions?
astronomy.stackexchange.com
20
What is this, red, blue, white twinkling, star?
astronomy.stackexchange.com
18
What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond?
astronomy.stackexchange.com
17
Counting from the 21st century forward, what place on Earth will be last to experience a total solar eclipse?
astronomy.stackexchange.com
14
Huge galaxies seen from earth
astronomy.stackexchange.com
13
Where are Modern Constellation lines defined?
astronomy.stackexchange.com
13
At 45°N, how come the Sun rises in a northeasterly direction?
astronomy.stackexchange.com
11
What is the significance of the intersection in the analemma?
astronomy.stackexchange.com
11
The shape of the moon limb/crescent (terminator line)
astronomy.stackexchange.com
10
Will a 10mm eyepiece with a barlow 2x produce the same result as a 5mm eyepiece?
astronomy.stackexchange.com
9
Does the universe have a celestial north?
astronomy.stackexchange.com
9
Distance from Earth to Mars at time of November 8, 2022 lunar eclipse maximum
astronomy.stackexchange.com
9
What's the issue with Olbers' paradox?
astronomy.stackexchange.com
9
Calculate moon illumination given moon age
astronomy.stackexchange.com
8
Why does Artemis I need a launch window?
space.stackexchange.com
7
When NASA spacecraft arrive at Mars, is Mars always always above the horizon in the US?
space.stackexchange.com
7
How does each degree equal to 60 minutes?
astronomy.stackexchange.com
6
Movement of stars over long periods of time
astronomy.stackexchange.com
6
Access to Chebyshev coefficients from JPL ephemerides
space.stackexchange.com
6
At what point on the Earth's surface does the +X axes of the J2000 coordinate system intersect?
space.stackexchange.com
6
How do we know we're not getting bigger?
astronomy.stackexchange.com
5
Planets positions (azimuth, altitude) API
astronomy.stackexchange.com
5
Measurement unit of coordinate systems in astronomy
astronomy.stackexchange.com
5
Is the Vernal Point a fixed point on the sky?
astronomy.stackexchange.com
5
Radio signals between Mercury and the Moon during an eclipse
astronomy.stackexchange.com
5
How do astronomical spectrometers measure spectra from single stars separately, without contamination from all of the nearby stars?
astronomy.stackexchange.com
5
Does stellar parallax only occur parallel to the ecliptic?
astronomy.stackexchange.com
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