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The listed objects currently include most objects in the asteroid belt and moons of the giant planets in this size range, but many newly discovered objects in the outer Solar System are missing, such as those included in the following reference. [58] Asteroid spectral types are mostly Tholen, but some might be SMASS.
A size comparison of the planets in the Kepler-37 system and objects in the Solar System. ... Mercury: 0.3826 Shown for comparison: ... Mars: 0.5325 Shown for comparison:
Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
Mars' size difference also affects the force on its surface. If you weighed 100 lbs on Earth, you would weigh only 38 lbs on Mars . Olympus Mons is a 68,897 ft high volcano that formed billions of ...
By comparison, the angular size of the Sun as seen from Mercury ranges from 1 + 1 ⁄ 4 to 2 degrees across. [116] At certain points on Mercury's surface, an observer would be able to see the Sun peek up a little more than two-thirds of the way over the horizon, then reverse and set before rising again, all within the same Mercurian day.
Among the highest nonvolcanic peaks on Mars, formed by the Hellas impact: Aeolis Mons ("Mount Sharp") 4.5 to 5.5 km (2.8 to 3.4 mi) [29] [n 7] 0.16: deposition and erosion [n 8] Formed from deposits in Gale crater; [34] the MSL rover has been ascending it since November 2014. [35] Vesta: Rheasilvia central peak
Though differing in size and temperature, terrestrial planets of the Solar System were reported to have high Earth Similarity Index values – Mercury, Venus, Earth and Mars. Sizes to scale. The Earth Similarity Index (ESI) is a proposed characterization of how similar a planetary-mass object or natural satellite is to Earth. It was designed to ...
The continuous ejecta and fields of secondary craters on Mercury are far less extensive (by a factor of about 0.65) for a given rim diameter than those of comparable lunar craters. This difference results from the 2.5 times higher gravitational field on Mercury compared with the Moon. [6]