... The terrestrial planets- Mercury, Venus, Earth and Mars- are relatively small and have rocky crusts and small atmospheres. ... Jupiter, Saturn, Uranus and Neptune- are many times larger and have dense, gaseous atmospheres with no visible surfaces ...
... flaring loops ( Hinode/XRT ) [.mov] . transit of Mercury ( Hinode/XRT ) [.mov] . Gamma-ray sky ( Fermi ) [.m4v] . ... from different regions of the sun contains clues as to how the composition and temperature of the sun varies across its surface ...
... of Al on the inside surface (for electrical conductivity), sandwiched between a ... electric field nonuniformities near the window surface and reduce the total open ... each focal-plane aperture and the surface of the central FPC windowlet, focused X ...
... of Al on the inside surface (for electrical conductivity), sandwiched between a ... electric field nonuniformities near the window surface and reduce the total open ... each focalplane aperture and the surface of the central FPC windowlet, focused X ...
... Materials: A toy top; hard, flat surface. 1. ... 1. Spin a top on a hard, flat surface and observe the small circle the axis makes. ... were actually the five closest planets: Mercury, Venus, Mars, Jupiter, and Saturn ...
... CATEGORY: E2 - Curve and Surface Fitting. ... fit parameters by projecting the chi-sq surface onto each parameter axis. what this ... circle' 'dash' 'star' 'starfish' 'asterisk' 'mercury' 'venus' 'earth' 'moon' 'mars ...