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Dieudonné's user avatar
Dieudonné's user avatar
Dieudonné's user avatar
Dieudonné
  • Member for 10 years, 5 months
  • Last seen more than a month ago
26 votes
Accepted

Pluto's orbit overlaps Neptune's, does this mean Pluto will hit Neptune sometime?

21 votes

Questions about spiral galaxy arms

14 votes

Is there any point on earth where the moon stays below the horizon for an extended period of time?

12 votes
Accepted

What is the angular diameter of Earth as seen from the Moon?

10 votes
Accepted

Which stars did the Sun form with?

10 votes
Accepted

Do we still use the term "astronomical unit" nowadays?

8 votes
Accepted

Is it possible to see a moonrise or moonset twice in a day?

6 votes
Accepted

Mass, Radius, Colour, Size, Type of a Star from the Hipparcos Catalog

6 votes

Equations for coordinates of solar system objects

5 votes
Accepted

Is it proper to refer to objects beyond Neptune as "Kuiper Belt Objects?"

5 votes

Computing the Sérsic profile of a galaxy from jpg images

5 votes

Does the gravity of the planets affect the orbit of other planets in our solar system?

5 votes

Is the Sun homogeneous?

5 votes
Accepted

What does designation VY, NML, UU in star names stand for?

5 votes
Accepted

Star class according to initial mass

5 votes

Diameter of any galaxy

5 votes

Why Earth's perihelion occurs 3rd January rather than 1st?

4 votes
Accepted

Motion of rogue planets

4 votes

How to measure distances to stars by means of spectroscopic parallaxes?

4 votes
Accepted

the most accurate system that can show the positions of planets at my birthday

4 votes

What is the farthest point of light that is emitted by a torch?

4 votes
Accepted

Equinox sunrise sunset direction

4 votes
Accepted

Calculate the absolute magnitude for a multi-star system

3 votes

Transformation from Geocentric Coordinates into Equatorial Coordinates?

3 votes
Accepted

Orbital Elements Mars near June 2014

3 votes
Accepted

Variable and Multiple Stars in Hipparcos

3 votes
Accepted

Astronomical databases for machine learning?

3 votes

Is there a radius inside of which objects are (doppler) blue shifted?

3 votes
Accepted

Adaptive Optics?

3 votes
Accepted

Convert coordinates between RA/dec and WGS 84 (SRID=4326)