The Solar System
The number of planets in the solar system.
What is 8?
Define waning.
What is shrinking or decreasing in size?
The Moon appears to glow because of this.
What is the Sun's light reflects off the Earth on to the Moon?
Galileo used this to study the moon.
What is a telescope?
Objects in space attract one another with this force.
What is gravity?
The galaxy Earth is located in.
What is the Milky Way?
The phase of the moon we can not see.
What is a new moon?
The proper term for moons.
What is satellites?
The first man on the moon.
Who is Neil Armstrong?
This can be found at the center of the universe.
What is a black hole?
The 4th planet from the Sun.
What is Mars?
This moon comes after the full moon.
What is a waning gibbous?
The moon cycle from beginning to end takes _____ days.
What is 28 days?
NASA recently launched this rover which landed on Mars in February 2021.
What is Perseverance?
Name the 3 kinds of galaxies.
What is spiral, elliptical and irregular?
The planets in order from the Sun.
What is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune?
The name of the phase of the moon between first quarter and new moon.
What is a waxing crescent?
The tidal force is caused by this.
What is the moons gravitational pull?
This telescope, launched in 1990, has given us a very clear look at nebulae, distant galaxies, and nearby stars.
What is the Hubble Space Telescope?
Define galaxy.
What is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity?
The collection of pieces of rock that divide the rocky planets and gas giants.
What is the asteroid belt?
The next total lunar eclipse Hong Kong will be able to see.
What is May 26th?
The time it takes for the Moon to rotate once around its axis is equal to this.
What is the time it takes for the Moon to orbit once around Earth?
This Greek astronomer thought that the Earth was the centre of the universe and the Sun, planets, and stars all revolved around Earth.
Who is Ptolemy?
What is 10 kg?