The furthest position of Earth from the Sun!
Aphelion
Dwarf planet's name that also dog's name
Pluto
The cloud of gas that swirled to form our solar system
Nebula
The dark regions of our Moon
Maria (seas), because early astronomers mistaken them as seas
The first man-made object to went to space?
The German V2 rocket in 1944
Which planet is closest to Earth?
Venus
Why isn't there White Christmas in Australia?
It is summer in December for Australia due to Earth's tilt (It is winter in December for Europe)
The four largest moons of Jupiter, also known as Galilean moons
The cloud of icy materials in the outer solar system where comets come
Oort Cloud
The Japanese Space Agency
JAXA
The planet that spins on its side; the tilted planet
Uranus
The 350-year old massive storm on Jupiter
What is the difference between waxing and waning in the lunar cycle?
Waxing is the phase before full moon, waning is after
The space rock that is supposedly an alien spaceship
The weird asteroid Oumuamua
The Russian term for people who go to space
Cosmonaut
The exact boundary of atmosphere and outer space
Karman line, about 100 km
Which gas giant planets that don't have rings?
None, all of them have rings although Saturn is the brightest
Pluto's evil twin
Charon, making the two a binary planet system that goes around each other
Billie Eilish's Comet that appears every 75 years
Halley's Comet
The Indonesian future spaceport location
Why is Uranus tilted and spins on its side unlike the other planets in the solar system?
Possibly the result of a collision with an Earth-sized object long ago
Explain how our Moon is formed!
The planet Theia impact our Earth and the remnants form our current planet and the Moon
Stable points near celestial objects like planets or between the Earth and Moon
Lagrange points
The supposed Sun's evil twin; our solar system's hypothetical second star
Nemesis
The process of inhospitable/deadly planet environments into habitable Earth-like ones
Terraforming