space part 2

The sun and it’s gravitational pull

Pulls planets towards it, creates/ maintains orbits

Order of the planets

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus , Neptune

Phases of the moon

First quarter, waxing crescent, new moon, waning crescent, last quarter, waning gibbous, full moon, waxing gibbous

Artificial satellite purposes

They are used for navigation, communication, weather, Earth observation and space observation. It also depends on the size and design

Space probes (what are they?)

Mars Rovers, Voyager 1 and 2 - they explore, discover, record/ transmit informations/ data about our solar system

Who was the first astronaut to walk on the moon

Neil Armstrong

What does a sundial do?

Before clocks and watches were invented people would use the sun to help them keep track of time

Canadian astronauts - two most famous

Chris Hadfield and Marc Garneau

How has space exploration evolved over time?

Over time, space exploration has evolved from simple observations to using advanced robots and rovers to explore deep- space areas that are still too far for human to reach. The robots and rovers send back information and data for us to study regularly.

Positive effects of space exploration

GPS technology, Satellite Communication, Water purification, advanced weather forecasting, health and scientific advancements, environmental monitoring, and science education

Negative effects of space exploration

Billion- dollar costs, space debris, Resource diversion, environmental damage, and health risks for astronauts