User contributions for Tfr000

12 February 2016

• 21:3321:33, 12 February 2016 diff hist +473‎ N File:Eoc anim.gif ‎ User created page with UploadWizard

9 February 2016

• 02:2002:20, 9 February 2016 diff hist +491‎ N File:Eoc vs e.png ‎ User created page with UploadWizard

7 February 2016

• 22:0222:02, 7 February 2016 diff hist +454‎ N File:Eoc max err.png ‎ User created page with UploadWizard

18 November 2015

• 22:5522:55, 18 November 2015 diff hist 0‎ File:Mean anomaly diagram.png ‎ Tfr000 uploaded a new version of File:Mean anomaly diagram.png
• 22:5222:52, 18 November 2015 diff hist 0‎ File:Mean anomaly diagram.png ‎ Tfr000 uploaded a new version of File:Mean anomaly diagram.png
• 22:5222:52, 18 November 2015 diff hist 0‎ File:Mean anomaly diagram.png ‎ Tfr000 uploaded a new version of File:Mean anomaly diagram.png
• 22:4922:49, 18 November 2015 diff hist 0‎ File:Mean anomaly diagram.png ‎ Tfr000 uploaded a new version of File:Mean anomaly diagram.png
• 22:4722:47, 18 November 2015 diff hist 0‎ File:Mean anomaly diagram.png ‎ Tfr000 uploaded a new version of File:Mean anomaly diagram.png
• 10:5510:55, 18 November 2015 diff hist 0‎ File:Mean anomaly diagram.png ‎ Tfr000 uploaded a new version of File:Mean anomaly diagram.png

1 November 2015

• 23:3623:36, 1 November 2015 diff hist +484‎ N File:Orbit1-mean.png ‎ User created page with UploadWizard

17 October 2015

• 21:2821:28, 17 October 2015 diff hist +432‎ N File:Mean anomaly diagram.png ‎ User created page with UploadWizard

14 May 2015

• 14:2614:26, 14 May 2015 diff hist −624‎ File:Earths orbit and ecliptic.PNG ‎ →‎{{int:filedesc}}: diagram is correct; user 104.32.101.150's comment was incorrect
• 14:2514:25, 14 May 2015 diff hist +1,323‎ N File talk:Earths orbit and ecliptic.PNG ‎ diagram is correct; comment is incorrect current

13 May 2015

• 00:0700:07, 13 May 2015 diff hist 0‎ File:Ang mom 2d.png ‎ Tfr000 uploaded a new version of File:Ang mom 2d.png

6 May 2015

• 22:3122:31, 6 May 2015 diff hist +434‎ N File:Ang mom 2d.png ‎ {{Information |Description ={{en|1=Angular velocity of a particle moving about the origin in two dimensions, decomposed into vectors parallel and perpendicular to the position vector, with construction for angular momentum}} |Source ={{own}}...

26 April 2015

• 19:0319:03, 26 April 2015 diff hist +375‎ N File:Ang mom vector diagram.png ‎ {{Information |Description =Vector diagram of angular momentum in a multi-particle system, referred to rectangular axes and to the center of mass of the particles. |Source =Own work |Author =Tfr000 |Date =26...

26 July 2012

• 18:0618:06, 26 July 2012 diff hist +359‎ N File:Milkwy way chart hemispheres.png ‎ {{Information |Description=Whole-sky star chart depicting the Milky Way in blue. |Source={{Derived from|MessierStarChart.svg|display=50}} |Date=26 July 2012 |Author=~~~~ }}

29 June 2012

• 21:0021:00, 29 June 2012 diff hist +441‎ N File:Cetus.png ‎ {{Information |Description=Proximity of the corner of the constellation Cetus to the ecliptic, at epoch 1875 and epoch 2100, depicting how the two are separated by about 0°.15 throughout those 225 years. |Date=29 Jun 2012 |Source={{own}} |Author= ~~~~}}

25 June 2012

• 16:3216:32, 25 June 2012 diff hist +413‎ N File:Ecliptic equator galactic anim.gif ‎ {{Information |Description=Animated depiction of equatorial, ecliptic, and galactic coordinates on the celestial sphere. Each set of coordinates is displayed for a few seconds. |Date=25 Jun 2012 |Source={{own}} |Author= ~~~~}}

20 June 2012

• 18:1218:12, 20 June 2012 diff hist +400‎ N File:Heliocentric rectangular ecliptic.png ‎ {{Information |Description=Diagram of rectangular heliocentric ecliptic axes, depicting the Sun, Earth w/ equator, plane of the ecliptic, vernal equinox direction. |Date=20 Jun 2012 |Source={{own}} |Author= ~~~~}}

19 June 2012

• 21:0721:07, 19 June 2012 diff hist +403‎ N File:Ecliptic grid globe.png ‎ {{Information |Description=Diagram of ecliptic coordinates, depicting the ecliptic, equator, ecliptic poles, longitude and latitude, and the vernal equinox direction. |Date=19 Jun 2012 |Source={{own}} |Author= ~~~~}}

18 June 2012

• 16:5616:56, 18 June 2012 diff hist +448‎ N File:Meridian on celestial sphere.png ‎ {{Information |Description=Diagram of the local meridian on the celestial sphere, depicting the north and south celestial poles, the zenith, the nadir, and the north, south, east, and west points on the horizon. |Date=18 Jun 2012 |Source={{own}} |Autho...

15 June 2012

• 20:4120:41, 15 June 2012 diff hist +351‎ N File:Geodetic latitude.png ‎ {{Information |Description=Diagram of the difference between geodetic latitude (φ) and geocentric latitude (φ'). |Date=15 Jun 2012 |Source={{own}} |Author= ~~~~}}
• 15:3415:34, 15 June 2012 diff hist +495‎ N File:Ra and dec on celestial sphere.png ‎ {{Information |Description=Diagram of a star's right ascension and declination as seen from outside the celestial sphere. Depicted are the star, the Earth, lines of RA and dec, the vernal equinox, the ecliptic, the celestial equator, and the celestial ...

13 June 2012

• 16:5816:58, 13 June 2012 diff hist +377‎ N File:Stars and dec.png ‎ {{Information |Description=The night sky, divided into two halves, depicting the ecliptic, equator, lines of right ascension and declination |Date=13 Jun 2012 |Source={{own}} |Author= ~~~~}}

12 June 2012

• 19:3619:36, 12 June 2012 diff hist +468‎ N File:Old RA diagram.png ‎ {{Information |Description=Diagram from Bleau, Guilielmi (1668), ''Institutio Astronomica'', depicting the orientation of the horizon, polar axis, and the celestial equator; for purposes of showing how the "ascension" was defined. |Date=12 Jun 2012 |So...

7 June 2012

• 14:3214:32, 7 June 2012 diff hist +427‎ N File:Transit circle microscope.png ‎ {{Information |Description=Drawing of part of a transit circle instrument - the reading microscopes. Derived from Norton, William A. (1867) ''A Treatise on Astronomy, Spherical and Physical'' |Date=7 Jun 2012 |Source={{own}} |Author= ~~~~ }}

16 May 2012

• 15:4715:47, 16 May 2012 diff hist +379‎ N File:Stars and ra.png ‎ {{Information |Description=Diagram of the night sky, depicting stars, the ecliptic, the equator, and lines of right ascension and declination. |Date=16 May 2012 |Source={{own}} |Author= ~~~~ }}

14 May 2012

• 14:5914:59, 14 May 2012 diff hist +395‎ N File:Precession animation small new.gif ‎ {{Information |Description=Animation of the cycle of precession of Earth's axis, depicting the orientation of the axis in relation to the North Ecliptic Pole. |Date=14 May 2012 |Source={{own}} |Author= ~~~~ }}

10 May 2012

• 19:3219:32, 10 May 2012 diff hist 0‎ File:Ecliptic vs equator small.gif ‎ Tfr000 uploaded a new version of File:Ecliptic vs equator small.gif: {{Information |Description=Animation of Sun moving along the ecliptic on the inside of the celestial sphere. Shown are ecliptic coordinates and equatorial coordinates. Animation pauses
• 19:0619:06, 10 May 2012 diff hist +430‎ N File:Hour angle still1.png ‎ {{Information |Description=Diagram showing the Earth with angles identified: local hour angle, Greenwich hour angle, local mean sidereal time, Greenwich mean sidereal time, and right ascension. |Date=10 May 2012 |Source={{own}} |Author= ~~~~ }}

1 May 2012

• 15:1515:15, 1 May 2012 diff hist +382‎ N File:Cowells method.png ‎ {{Information |Description=Vector diagram of Cowell's method of perturbation analysis, depicting forces on a perturbed object by two other objects. |Date=1 May 2012 |Source={{own}} |Author= ~~~~ }}

30 April 2012

• 15:3915:39, 30 April 2012 diff hist +398‎ N File:Enckes method.PNG ‎ {{Information |Description=Vector diagram of Encke's Method of perturbation analysis, showing the osculating orbit, the perturbed orbit, and a perturbing body. |Date=30 Apr 2012 |Source={{own}} |Author= ~~~~ }}

27 April 2012

• 14:4214:42, 27 April 2012 diff hist +448‎ N File:Hour angle animation blended.gif ‎ {{Information |Description=Animated diagram showing a rotating Earth with angles identified: local hour angle, Greenwich hour angle, local mean sidereal time, Greenwich mean sidereal time, and right ascension. |Date=27 Apr 2012 |Source={{own}} |Author=...

23 April 2012

• 19:2819:28, 23 April 2012 diff hist +56‎ File:Ra and dec rectangular.png ‎ forgot the license!
• 19:2419:24, 23 April 2012 diff hist +294‎ N File:Ra and dec rectangular.png ‎ {{Information |Description=Diagram of geocentric equatorial rectangular coordinate axes, shown superimposed on a drawing of the Earth. |Date=23 Apr 2012 |Source={{own}} |Author= ~~~~ }}
• 15:2715:27, 23 April 2012 diff hist 0‎ File:Ra and dec demo animation small.gif ‎ Tfr000 uploaded a new version of File:Ra and dec demo animation small.gif: {{Information |Description=Animated demonstration of right ascension and declination on the celestial sphere. Also identifies the primary direction as the vernal equinox. Updated

17 April 2012

• 20:5020:50, 17 April 2012 diff hist +398‎ N File:Ra and dec demo animation small.gif ‎ {{Information |Description=Animated demonstration of right ascension and declination on the celestial sphere. Also identifies the origin at the vernal equinox. |Date=17 Apr 2012 |Source={{own}} |Author= ~~~~ }}

13 April 2012

• 15:0615:06, 13 April 2012 diff hist +474‎ N File:Ecliptic vs equator small.gif ‎ {{Information |Description=Animation of Sun moving along the ecliptic on the inside of the celestial sphere. Shown are ecliptic coordinates and equatorial coordinates. Animation pauses at each equinox and solstice and presents a label. |Date=13 Apr 201...

6 April 2012

• 15:2715:27, 6 April 2012 diff hist +482‎ N File:Obliquity berger -5000000 to 0.png ‎ {{Information |Description=Graph of the obliquity of the ecliptic of date on the equator of date for the past 5 million years. From Berger, A.L. (1976), Obliquity and Precession for the last 5000000 years, Astronomy and Astrophysics 51, 127-135. |Date=...
• 15:2315:23, 6 April 2012 diff hist +483‎ N File:Obliquity berger 0 to 1000000.png ‎ {{Information |Description=Graph of the obliquity of the ecliptic of date on the equator of date for the next 1 million years. From Berger, A.L. (1976), Obliquity and Precession for the last 5000000 years, Astronomy and Astrophysics 51, 127-135. |Date...

3 April 2012

• 19:1219:12, 3 April 2012 diff hist +442‎ N File:Ecliptic vs equator full globe.png ‎ {{Information |Description=Ecliptic coordinates as seen from inside the celestial sphere. Ecliptic coordinates in red, equatorial coordinates in blue. Equinoxes, solstices, and celestial poles are labeled. |Date=3 Apr 2012 |Source={{own}} |Author= ~~~~ }}

2 April 2012

• 17:4517:45, 2 April 2012 diff hist 0‎ File:Earth tilt animation.gif ‎ Tfr000 uploaded a new version of File:Earth tilt animation.gif: {{Information |Description=Animation of the Earth orbiting the Sun, depicting the constant tilt of Earth's axis to the plane of the orbit. The Earth orbits in the correct direction this time!
• 16:5416:54, 2 April 2012 diff hist +375‎ N File:Earth tilt animation.gif ‎ {{Information |Description=Animation of the Earth orbiting the Sun, depicting the constant tilt of Earth's axis to the plane of the orbit. |Date=2 Apr 2012 |Source={{own}} |Author= ~~~~ }}
• 13:4913:49, 2 April 2012 diff hist +512‎ N File:Planet axis comparison.png ‎ {{Information |Description=Comparison of the tilt of the rotation axis to the plane of the orbit for three planets: Earth, Uranus, Venus. Includes a right-hand-rule demonstration. Right hand graphic derived from http://commons.wikimedia.org/wiki/File:R...

29 March 2012

• 23:0123:01, 29 March 2012 diff hist 0‎ File:Earth within celestial sphere.gif ‎ Tfr000 uploaded a new version of File:Earth within celestial sphere.gif: {{Information |Description=Earth spinning within a celestial sphere, depicting stars, the ecliptic, and lines of right ascension and declination. Smaller version. Spinning Earth deri
• 20:0620:06, 29 March 2012 diff hist +484‎ N File:Earth within celestial sphere.gif ‎ {{Information |Description=Earth spinning within a celestial sphere, depicting stars, the ecliptic, and lines of right ascension and declination. Spinning Earth derived from: http://commons.wikimedia.org/wiki/File:Rotating_earth_(Very_small).gif |Date=...

22 March 2012

• 14:4114:41, 22 March 2012 diff hist +479‎ N File:Ecliptic inclination dziobek.PNG ‎ {{Information |Description=Graph of the changing inclination of Earth's orbit (the ecliptic) over 200,000 years, from Dziobek, Otto (1892) ''Mathematical Theories of Planetary Motions'', Register Publishing Co., Ann Arbor, Michigan, p. 294 |Date=22 Ma...

21 March 2012

• 17:5817:58, 21 March 2012 diff hist +442‎ N File:Obliquity of the ecliptic laskar.PNG ‎ {{Information |Description=Graph of obliquity of the ecliptic vs time for +/- 10,000 years; from Laskar, J. (1986), "Secular Terms of Classical Planetary Theories Using the Results of General Relativity" |Date=21 Mar 2012 |Source={{own}} |Author= ~~~~ }}

20 March 2012

• 17:0117:01, 20 March 2012 diff hist 0‎ File:Ecliptic vs equator.PNG ‎ Tfr000 uploaded a new version of File:Ecliptic vs equator.PNG: {{Information |Description=Diagram of ecliptic coordinates vs equtorial coordinates on the celestial sphere, plate carrée projection |Date=20 Mar 2012 |Source={{own}} |Author= ~~~~ }}