What uses mirrors to see distant objects and was invented in the 1700s?
A refracting telescope.
How does light travel through space so fast?
It does not require a medium (like air or water), so it can move without losing energy.
What type of technology is the Voyager 1 considered?
A probe.
Which is the closest planet to the sun?
Mercury
What does a model of the solar system do for us?
Helps us to study our solar system better.
What was the most powerful telescope in the whole world?
James Webb Space Telescope
How does light reflect so far?
It moves through space at a constant speed.
What are at least three countries that helped make the ISS?
Canada, USA, Russia, Japan and the European Union.
What is the definition of a planet?
A round object that orbits the sun.
What is the first historical model of the solar system?
The Geocentric Model.
When was the reflecting telescope invented?
1700s
Do the Northern Lights emit light or reflect light?
They emit light.
True or False? The Golden Record was launched on Voyager 2?
False. It was on Voyager 1.
What is a dwarf planet?
A round object that orbits the sun with a lot of other celestial objects along with it.
What is the difference in distance between Earth and Saturn?
1.2 billion km
What compound telescope in San Diego discovered 3 additional dwarf planets?
The Palomar Observatory.
What light do you get when it bounces off of something shiny?
What year was Voyager 1 launched?
1977
What is the 5th planet from the sun?
Jupiter
Who used measurements from his teacher to discover that the planets didn't orbit with the sun exactly in the centre?
Johannes Kepler.
What type of telescope has two mirrors to help astrometers see celestial objects?
Reflecting Telescope
Does the moon emit or reflect light?
It reflects light.
What year did the Mars Rover first go to space?
1996
Name all of the planets.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
How big is the sub compared to Earth?
109 times bigger.