The model that show the Sun is in the centre of the solar system
The Heliocentric Model
What are the two terms that we use to say where a star is in the sky (the location)
Azimuth and Altitude
What is Triangulation used for?
To calculate the distance to a star, by using angles and the Pythagorean theorem.
What is the Hubble ?
A Satellite Telescope
What is the type of telescope that bends light?
A refracting telescope
What is a nebulae?
A cloud of space dust and gas that forms solar systems and stars
For altitude and azimuth, which one is measured clockwise?
Azimuth
What are issues objects leaving Earth have to deal with in order to leave the atmosphere?
Withstand the range of temperatures in space, be able to counteract Earth's gravity
Unmanned satellites launched into space are known as:
Space Probes
What are radio waves used for?
To study objects in space we can't see ( no visible light)
List the 4 terrestrial planets
Mars, Venus, Mercury, Earth
A rock that leaves space, and enters Earth's atmosphere.
What is a meteor?
Stars that are moving towards Earth will appear to have a ____________ because their wave lengths are squished and appear smaller.
(What kind of shift?)
A Blue Shift
What type of spacecraft uses xenon gas?
Ion Drives
These types of satellites triangulate a person's position. What are they?
Global Positioning Satellites , or GPS
What is a supernova?
A supernova is a powerful star explosion that occurs at the end of a star's life cycle.
What is a space rock that lands on Earth?
A meteorite
Stars that are moving away from Earth will appear to have a __________ because their wave lengths are stretched and appear longer
(What color is the shift?)
Red Shift
This is the Doppler Effect
Describe how Solar Sails work.
When light energy ( photons) hit the sail, the energy transmitted will cause the spacecraft to move.
The type of telescope that bounces light in order to get a picture
What is a protostar?
The second step on the birth of a star. The star is starting to glow and is increasing in temperature.
A rock flying through space
What is a meteroid?
What are they?
6 months apart. ie. 1 in the winter, and 1 in the summer
What are spectroscopes used for?
Spectroscopes analyse the light we get from stars in order to tell us what they are made up of.
What is the name of Canada's contribution to the ISS?
Canadarm I and Canadarm II