User Dieudonné

27 votes

Accepted

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

answered Jan 24, 2014 at 11:14

21 votes

Questions about spiral galaxy arms

answered Sep 1, 2014 at 15:00

14 votes

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

answered Jul 15, 2014 at 14:13

11 votes

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

answered Oct 21, 2014 at 16:32

10 votes

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Which stars did the Sun form with?

answered Nov 4, 2014 at 11:54

10 votes

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

answered Mar 26, 2015 at 8:54

8 votes

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

answered Oct 9, 2014 at 7:20

6 votes

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

answered Feb 1, 2015 at 0:35

6 votes

Equations for coordinates of solar system objects

answered Apr 11, 2015 at 13:27

5 votes

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

answered Feb 9, 2015 at 9:07

5 votes

Computing the Sérsic profile of a galaxy from jpg images

answered Jan 25, 2014 at 11:17

5 votes

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

answered Jan 29, 2014 at 17:49

5 votes

Is the Sun homogeneous?

answered Jun 3, 2014 at 17:44

5 votes

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

answered Jan 5, 2015 at 16:21

5 votes

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Star class according to initial mass

answered Oct 17, 2014 at 9:50

5 votes

Diameter of any galaxy

answered Oct 19, 2014 at 14:40

5 votes

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

answered Oct 10, 2014 at 13:40

4 votes

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Motion of rogue planets

answered Jan 29, 2014 at 23:09

4 votes

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

answered Jan 26, 2014 at 14:05

4 votes

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

answered Feb 1, 2014 at 20:13

4 votes

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

answered Jul 9, 2014 at 15:29

4 votes

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Equinox sunrise sunset direction

answered Mar 2, 2017 at 10:37

4 votes

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Calculate the absolute magnitude for a multi-star system

answered Nov 2, 2020 at 21:37

3 votes

Transformation from Geocentric Coordinates into Equatorial Coordinates?

answered Nov 29, 2016 at 9:28

3 votes

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Orbital Elements Mars near June 2014

answered Apr 7, 2015 at 14:53

3 votes

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Variable and Multiple Stars in Hipparcos

answered Apr 17, 2015 at 7:54

3 votes

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Astronomical databases for machine learning?

answered Apr 18, 2015 at 14:12

3 votes

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

answered Jul 9, 2014 at 13:35

3 votes

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Adaptive Optics?

answered Sep 10, 2014 at 9:01

3 votes

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

answered Jan 29, 2014 at 22:18

Stack Exchange Network

53 Answers

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

Questions about spiral galaxy arms

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

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

Which stars did the Sun form with?

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

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

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

Equations for coordinates of solar system objects

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

Computing the Sérsic profile of a galaxy from jpg images

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

Is the Sun homogeneous?

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

Star class according to initial mass

Diameter of any galaxy

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

Motion of rogue planets

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

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

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

Equinox sunrise sunset direction

Calculate the absolute magnitude for a multi-star system

Transformation from Geocentric Coordinates into Equatorial Coordinates?

Orbital Elements Mars near June 2014

Variable and Multiple Stars in Hipparcos

Astronomical databases for machine learning?

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

Adaptive Optics?

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