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Greg Miller
  • Member for 3 years, 6 months
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55 votes
Accepted

In this image taken by Voyager 1, which is closer: the earth or the moon?

27 votes
Accepted

What could be an explanation for a satellite-like moving light in the night sky that dims over time

19 votes

What is this, red, blue, white twinkling, star?

13 votes

Huge galaxies seen from earth

10 votes
Accepted

Will a 10mm eyepiece with a barlow 2x produce the same result as a 5mm eyepiece?

9 votes
Accepted

Does the universe have a celestial north?

5 votes

Movement of stars over long periods of time

4 votes
Accepted

Calculating velocity of Earth from JPL DE

4 votes
Accepted

Measuring distance to stars - How to get parallax angle

4 votes

How to choose eyepieces and other accessories for a Celestron 70mm f/5.7 portable refractor?

4 votes

How to find the first Julian day with the same Earth-Sun constellation

3 votes
Accepted

What exactly causes "color twinkling" and why does it seem that any color might be furthest refracted for a moment?

3 votes
Accepted

Determining when the sun shines on different sides of a building using astropy

3 votes

Azimuth angle and elevation angle of a heliostat mirror

3 votes

What is the closest stellar neighbour to Sirius?

3 votes

What is the average angular distance between the Sun and the Moon?

3 votes

Measurement of Planetary Aberration (similar to stellar aberration)

3 votes
Accepted

Planets positions (azimuth, altitude) API

3 votes

Why can't Level replace Horizon when using a Sextant

3 votes

What would be 1 hour equivalent on these moons of Jupiter and Saturn compared to earth? And their astrobiological implications

2 votes
Accepted

VSOP for exosatellites? (Io, Titan, Ariel, etc)

2 votes

Error when calculating Alt/Az from Ra/Dec

2 votes

Textbook to explain measurements and calculations for heliocentric solar system

2 votes

SPICE Alt Az example

2 votes

Deriving the apparent angular speed of a star

2 votes
Accepted

First observation that the Sun and Jupiter (and friends) move around a common barycenter?

2 votes
Accepted

Units in distance parallax relation

2 votes

How to calculate the Sun's declination for a specific location based on the axial tilt of Earth throughout the year?

2 votes

Comet Bernardinelli-Bernstein; could it be a "planet-killer" and what could prevent it from getting close to us?

1 vote

Precision in the measurement of the distance to the Sun