What is a piotograph?

What is Hades favorite color? Does a star turn into a white dwarf at the end of its life cycle? What kind of scientist is neils bohr? What happens to gravitational force as the mass of our body increases? Where were moon missions launched from? What causes the rising and the setting of the sun? Is our sun the only star that has planets orbiting around it? What is the most precious gemstone? What is an illustration of light being reflected? What did the early settlers use to light their homes before the invention of the light bulb? What is the second source of water vapor? Why microscope produces inverted image? Why must you turn the nosepiece to the LPO before putting the microscope away? What do the northern lights on earth have to do with the solar wind? Average speed of a hot air balloon? Why is Gravity good for us? What is the significance of the equinox symbol in various cultures and traditions around the world? What two countries participated in the Space Race? Does Titan possess a magnetic field? Why do slanted rays from the sun feel weaker than direct rays from the sun?