Science Nuclear fusion of hydrogen into helium powers stars, but fusion requires a lot of energy. Where does this energy come from?
Exoplanets, Planets, Solar System What would a uranian day and year be like? What path across the sky would the Sun follow?
Observing Basics, Telescopes and Equipment When the observing night is over, what is the best way to pack eyepieces to prevent mildew or fungus on the glass?
Exotic Objects Because moving charges generate magnetic fields, I would think that a neutron star’s axis of rotation and axis of the magnetic field would line up; Why don’t they?
Alien Life, Exoplanets, Planets, Stars Do white dwarf stars have “Goldilocks zones,” or are they too cold to sustain such regions?
Exoplanets, Planets, Solar System Can all four of Jupiter’s largest moons simultaneously transit, or be occulted by, the giant planet as seen from Earth? If so, how often does this occur?
