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Deimos / ˈ d aɪ m ə s / (systematic designation: Mars II) [11] is the smaller and outer of the two natural satellites of Mars, the other being Phobos.Deimos has a mean radius of 6.2 km (3.9 mi) and takes 30.3 hours to orbit Mars. [5]
If a first body of mass m A is placed at a distance r (center of mass to center of mass) from a second body of mass m B, each body is subject to an attractive force F g = Gm A m B /r 2, where G = 6.67 × 10 −11 N⋅kg −2 ⋅m 2 is the "universal gravitational constant". This is sometimes referred to as gravitational mass.
Opportunity, also known as MER-B (Mars Exploration Rover – B) or MER-1, is a robotic rover that was active on Mars from 2004 until 2018. [1] Opportunity was operational on Mars for 5111 sols (14 years, 138 days on Earth).
Mass: The lift-off mass was 1,337.2 kg (2,948 lb), including 852 kg (1,878 lb) of propellant. [ 3 ] Bus : The spacecraft's bus is a modified I-1 K structure and propulsion hardware configuration, similar to Chandrayaan-1 , India's lunar orbiter that operated from 2008 to 2009, with specific improvements and upgrades needed for a Mars mission ...
Built up by countless generations of lava flows and ash, the Tharsis bulge contains some of the youngest lava flows on Mars, but the bulge itself is believed to be very ancient. Geologic evidence indicates that most of the mass of Tharsis was in place by the end of the Noachian Period, about 3.7 billion years ago (Gya). [24]
Ceres (minor-planet designation: 1 Ceres) is a dwarf planet in the middle main asteroid belt between the orbits of Mars and Jupiter.It was the first known asteroid, discovered on 1 January 1801 by Giuseppe Piazzi at Palermo Astronomical Observatory in Sicily, and announced as a new planet.
The orbit of Mars (yellow band; varies between 1.381 and 1.666 AU) displayed with 6 theoretically possible orbits for an asteroid (red line). The orbit of a Mars-crosser is displayed in the bottom row on the right.
The "net mass" or "net weight" declared on a label indicates that the package contains a specific amount of commodity exclusive of wrapping materials. The use of the term "mass" is predominant throughout the world, and is becoming increasingly common in the United States. (Added 1993) W. Use of the Terms "Mass" and "Weight." [NOTE 1, See page 6]