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2. Solar System - Wikipedia

   en.wikipedia.org/wiki/Solar_System

   The orbits of Solar System planets are nearly circular. Compared to many other systems, they have smaller orbital eccentricity. [70] Although there are attempts to explain it partly with a bias in the radial-velocity detection method and partly with long interactions of a quite high number of planets, the exact causes remain undetermined. [70] [74]

3. Color–color diagram - Wikipedia

   en.wikipedia.org/wiki/Color–color_diagram

   A color–color diagram is a means of comparing the colors of an astronomical object at different wavelengths. Astronomers typically observe at narrow bands around certain wavelengths, and objects observed will have different brightnesses in each band.

4. List of Solar System objects by size - Wikipedia

   en.wikipedia.org/wiki/List_of_Solar_System...

   Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...

5. Planetary symbols - Wikipedia

   en.wikipedia.org/wiki/Planetary_symbols

   Planetary symbols are used in astrology and traditionally in astronomy to represent a classical planet (which includes the Sun and the Moon) or one of the modern planets. The classical symbols were also used in alchemy for the seven metals known to the ancients, which were associated with the planets, and in calendars for the seven days of the week associated with the seven planets.

6. Jupiter, ascending: See our solar system’s biggest planet at ...

   www.aol.com/jupiter-ascending-see-solar-system...

   Weather permitting, Jupiter will not only be brighter than most other stars and planets in the evening sky, but will also be visible all night long. Jupiter, ascending: See our solar system’s ...

7. Jupiter - Wikipedia

   en.wikipedia.org/wiki/Jupiter

   Jupiter is the fifth planet from the Sun and the largest in the Solar System.It is a gas giant with a mass more than 2.5 times that of all the other planets in the Solar System combined and slightly less than one-thousandth the mass of the Sun.

8. Outline of the Solar System - Wikipedia

   en.wikipedia.org/wiki/Outline_of_the_Solar_System

   The Sun, planets, moons and dwarf planets (true color, size to scale, distances not to scale) The following outline is provided as an overview of and topical guide to the Solar System: Solar System – gravitationally bound system comprising the Sun and the objects that orbit it, either directly or indirectly.

9. Mercury (planet) - Wikipedia

   en.wikipedia.org/wiki/Mercury_(planet)

   The planet's density is the second highest in the Solar System at 5.427 g/cm 3, only slightly less than Earth's density of 5.515 g/cm 3. [4] If the effect of gravitational compression were to be factored out from both planets, the materials of which Mercury is made would be denser than those of Earth, with an uncompressed density of 5.3 g/cm 3 ...