Astronomy
Greg Miller's user avatar
Greg Miller's user avatar
Greg Miller's user avatar
Greg Miller
  • Member for 4 years, 10 months
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92 Answers

Score Activity Newest
60 votes
Accepted

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

28 votes
Accepted

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

22 votes
Accepted

How do planetarium apps and software calculate positions?

20 votes

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

18 votes
Accepted

What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond?

17 votes

Counting from the 21st century forward, what place on Earth will be last to experience a total solar eclipse?

14 votes

Huge galaxies seen from earth

13 votes

Where are Modern Constellation lines defined?

11 votes

The shape of the moon limb/crescent (terminator line)

10 votes
Accepted

What is the significance of the intersection in the analemma?

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?

9 votes
Accepted

Distance from Earth to Mars at time of November 8, 2022 lunar eclipse maximum

7 votes

What's the issue with Olbers' paradox?

7 votes
Accepted

Calculate moon illumination given moon age

6 votes
Accepted

How does each degree equal to 60 minutes?

6 votes

How do we know we're not getting bigger?

6 votes

Movement of stars over long periods of time

5 votes

Measurement unit of coordinate systems in astronomy

5 votes

How do astronomical spectrometers measure spectra from single stars separately, without contamination from all of the nearby stars?

5 votes

Radio signals between Mercury and the Moon during an eclipse

5 votes

Does stellar parallax only occur parallel to the ecliptic?

4 votes

Search good image for observable sky as seen from earth

4 votes
Accepted

How does one convert between Modified Julian Date (MJD) and a standard (mm/dd/yr, hr:mm:ss)

4 votes

How often does a full moon happen on the weekend?

4 votes
Accepted

Is the Vernal Point a fixed point on the sky?

4 votes
Accepted

Calculating velocity of Earth from JPL DE

4 votes
Accepted

Planets positions (azimuth, altitude) API

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?

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