8 Answered Questions for the topic Solar system

Solar System Venus Sunlight


How long does it take for sunlight to reach Venus?

I’m working on a science project for school and we had to choose one planet to focus on. I chose Venus. My project requires me to answer certain questions about my planet, and one of them is “How... more


How did pre-Copernican astronomers accurately predict planetary position?

Copernican elements (circular orbital elements) are not very accurate. But Copernicus simplified our understanding a great deal by placing the Sun at the center of the system. Im astonished by the... more


Does a celestial system exhibit a collective magnetic field?

Sol exhibits a magnetic field, most of the planets in orbit around Sol exhibit a magnetic field - strong and weak both. Does the solar system as a whole exhibit a magnetic field? Does the paradigm... more

Can any telescope be used for solar observing?

Can any telescope, such as a 8" reflector, that is normally used at night to look at planets be used or adapted for solar observing?What kind of adapters or filters are required or is it better to... more

How is the atmospheric composition of objects in the Solar System measured?

How is the atmospheric composition of astronomical objects, for example Triton, a moon of Neptune, determined?
Solar System Astronomy


How is the Plane of the Solar System oriented to the Sun's motion through space?

How is the [Plane of the Solar System](http://en.wikipedia.org/wiki/Ecliptic) oriented to the Sun's motion through space: parallel, perpendicular, or some other angle?
Solar System History Astronomy


Why did the ancients fail to discover that the Earth orbits the Sun?

The ancients observed that the Sun and the 'fixed' stars rotated about the Earth. They were also aware that the Earth was spherical. They performed many astronomical measurements on the planets -... more
Solar System Astronomy Planets Earth


Relationship between Mars and Earth rotation?

Is it by pure random chance that Mars and the Earth have nearly the same day duration (Mars day is barely 40 minutes longer, which is just 3% difference), or there is some causal relationship... more

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