Galaxies
What is the name of the galaxy which we are in?
The Milky Way
Name the two main components of a solar system
Star and planets
What star is at the centre of our solar system?
The sun
Which planet in our solar system was reclassified as a dwarf planet in 2006?
Pluto
What is a nebulae?
A nebula is an enormous cloud of dust and gas
Name something you might find in a galaxy?
Solar system, planet, stars, nebulae, black hole
Provide a definition of the term 'solar system'
A solar system is a group of planets and other bodies that revolve around a star.
How are stars luminated?
a) Heat
b) Radiation
c) Fire
b) Radiation
Which planet is furthest from the sun?
Neptune
Name a function of nebulae
The birth of new stars, and the death of old stars
What are galaxies bound by?
Gravity
How many planets are in our solar system?
8
How does a star's life cycle begin?
Stellular nebulae or nebulae
What is a common characteristic between the four planets closet to the sun?
Terrestrial planets
Rocky surface, solid core
Smaller, denser
Few or no moons, no rings
Nebulae is a Latin word for what?
Cloud
Name one of the three types of galaxies?
Spiral, elliptical, Irregular
Mercury, Venus, Mars, Jupiter and Saturn
Name one way a stars life cycle may end
Dwarf planet, neutron star, or black hole
What's a key requirement for a celestial body to be considered a planet?
It must orbit a star (in our cosmic neighborhood, the Sun).
It must be big enough to have enough gravity to force it into a spherical shape.
It must be big enough that its gravity has cleared away any other objects of a similar size near its orbit around the Sun.
Name the three main components of nebulae
Hydrogen, Helium, dust