Does the candle burn more or less violently in zero gravity?

Oxygen comes in through pores in the shell. Directly under the shell, there is a small pocket of air. The mi­cro­scop­ic pores on the egg surface allow the CO2 to escape and fresh air to get in, so a de­vel­op­ing bird can breathe.

Jupiter moons. Jupiter's moons, es­pe­cial­ly Io (spot on the left), are powerful sources of auroras on Jupiter. These arise from electric currents along field lines, gen­er­at­ed by a dynamo mech­a­nism due to the relative motion between the rotating planet and the moving moon.

In summer. The tower stands 320 meters (1,050 ft) tall, about the same height as an 81-­s­torey build­ing. Because of thermal ex­pan­sion, the height varies by 15 cm (5.9 in) due to tem­per­a­ture.

To the left of the picture. Only the coxswain, a crew member who sits in the stern, faces the swimming di­rec­tion.