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Grimaldi's user avatar
Grimaldi's user avatar
Grimaldi
  • Member for 7 years, 3 months
  • Last seen more than a month ago
19 votes

Why are there not a whole number of solar days in a solar year?

7 votes

Are more stars or more galaxies cataloged, currently, and how has the ratio evolved over time?

5 votes

Planning to revisit Arthur Eddington's experiment from 1919

5 votes
Accepted

Is this image captured by the Hubble Telescope an original image?

4 votes
Accepted

How do amateur astronomers do stellar spectroscopy?

3 votes
Accepted

What do we know about properties of individual stars in the Andromeda Galaxy?

2 votes

why there is a circle of light surrounding Sun and Moon?

2 votes
Accepted

When will solar eclipses become lunar transits?

2 votes
Accepted

Blood Moon Identification in NASA reports

1 vote

Is there any official star gazing location list?

1 vote

Abbreviations for days of the week

1 vote

Understanding PSF models and PFSEx output

0 votes

Gravitational waves