Cards in this guide (11)
Which planet has a moon named Europa
Which planet has a giant magnetosphere that stretches millions of miles beyond the planet's surface
Which planet was studied by the Mariner 10 probe and has a crater-covered surface
When the moon appears to be shrinking it is said to be
Which of these refers to a small celestial object orbiting the Sun and ranging in size from a grain of sand to a boulder
Which constellation is often depicted in greek mythology as one of the dogs helping Orion hunt
Which of these refers to smaller pieces of celestial debris that have entered a planet's atmosphere
When a star is fully formed which type of star does it become
Which planet completes its rotation in 59-60 Earth days
The Moon appears larger in the sky during
The Moon appears larger in the sky during
On which planet does one year equal 84 Earth years