Estimate the radius of asteroid - A newly discovered faint asteroid and Mars are observed at opposition. Mars is observed to be 100 million times brighter than the asteroid. Assume Mars and the asteroid are 1.5 and 3.0 AU from the Sun ...
Jupiter what if it disappeared ? - What would happen to jupiters moons if it suddenly disappeared would they collide into each other
and form a new planet if not why not
diameters of satellites - Comparisons between the diameters of satellites orbiting some of the planets and those of the planets themselves reveal that X satellites are larger than Pluto, even our own, while Y are larger than M ...
What was Jupiter's radius if it radiated as a blackbody? - According to theoretical models, 4 billion years ago Jupiter may have had a luminosity as high as 10^-2 Lo (Lo=luminosity of Sun) and a surface temperature of 1000K. What was Jupiter's radius then if ...
Questions about planets are explored briefly. - These questions are posed:
1. In strength, the magnetic fields of Uranus and Neptune are:
a. perfect fits for the dynamo theory.
b. similar, with both about 100 times stronger than our own.
c ...