no evidence of impact craters has been found on venus
Secrets from sun-scorched mercury: the planet's "extreme and dramatic orbital eccentricity, in combination with its rotation rate of three times in two of its years, causes some strange things to occur.".
...Although Mercury has been known since the time of the ... atmosphere to prevent impacts from crashing space objects, and ... by a multitude of craters. Mercury's day-side is sun baked ... planet, just like Earth, Venus, and Mars. Mercury's extremely ...No evidence for life has been discovered. . ... in which they are found," says Blewett. . Since ...
THE MYSTERIOUS MOONS OF JUPITER.
... from the sun) Mercury, Venus, Earth, Mars, Jupiter, Saturn, .... Had Jupiter been about 20 times more massive than ...The absence of any craters on the surface indicates that ... some of the strongest evidence yet that Europa possessed an ... the remnants of a giant impact basin in the form of a system of ... the number of craters found on Callisto. Hence, it has been ...