Chapter 10 Development in Astronomy Flashcards
Who are the 3 people who contributed in the development of the solar system model?
Ptolemy. Copernicus and Kepler
What is the first known solar system model?
Geocentric Model
What is the current solar system model used today? and who invented it
Heliocentric model, Kepler
Identify the geocentric model
Earth is stationary and all the objects such as the sun and other planets revolve around it in circular orbits
Identify the heliocentric model
The sun as the center of the Solar system and the earth rotates on its own axis and revolves around the sun in a circular orbit
What modifications were made in the modified Heliocentric Model
Modified it with the sun at one common focal point on the elliptical orbits of the planets according to KEPLERS LAW
Order of planets from the sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune
What are some applications of technology in space exploration
Space Telescopes, Rockets, Satellite, Space Probes and Remote sensing
What if the function of an Astronomical Sextant
Measure the altitude of stars
What is the mode widely used astronomical instrument
Galileo’s Telescope
What is the function of the Hubble Space Telescope
Observe and gather information on galaxies
What is the function of the Spitzer Space Telescope
Detects very distant activities in space such as the formation of stars
What is the function of a radio telescope
Detect radio waves from space
What is the function of a rocket
Used widely in space exploration
Explain how does a rocket work
When the fuel in a rocket burns, hot gases releases at high speeds through the bottom of the rocket, producing a force which pushes the rocket upwards
