Top Scientific Astronomy
You can use these calculators to calculate daylight, solar eclipse, sun data, orbits, and more..
Lunar Calculator
Lunar parallax calculator. Displays the moon's placement in the chart with both non-parallax and parallax corrections, the associated dasha/bhukti period, the date and number of days difference for the following dasha.
Mercury Chaser's Calculator
To display the date, time, and distance of the maximum elongations of Mercury for a given year, enter the year in the box below and press “Calculate”.
Orbits in Strongly Curved Spacetime
The display above shows, from three different physical perspectives, the orbit of a low-mass test particle. By clicking in the various windows and changing values in the controls at the bottom of the window you can explore different scenarios.
Planet Applet
The bright planets - Mercury, Venus, Mars, Jupiter, Saturn - and Uranus as well as the Sun and the Moon (The seven wanderers known to the ancients), are the subjects of this applet. It provides different views: a diagram showing the rise and set times over the year, a view at the local horizon (rectangular, spherical, and polar), a view of the ecliptic plane, a sky map, and an earth map.
Sun Table Calculator
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