Models of the Universe/Scientists
This model of our solar system has the Earth as the centre
What is geocentric?
This is the term for the planets closest to the Sun.
What are inner or terrestrial or inner planets?
The Sun is made up of mostly this gas
What is hydrogen?
This space agency in the US sends astronauts into space
What is NASA?
This phenomena is used to help determine the distance to stars.
What is Parallax?
This model has the Sun as the centre of our solar system
What is heliocentric?
This is the largest planet in our solar system
What is Jupiter?
This is a highly dense remanant of a start in which gravity is so strong that not even light from radiation can espace.
What is a black hole?
What is 3 satellites.
This force holds the stars, planets, dust and so on together in a galaxy
What is gravity?
This scientist invented the telescope and provided the best evidence at the time for a heliocentric universe
Who is Galileo?
This is another term for the outer planets
What is Jovian (gas giants)?
This unit of distance represents the distance form the Earth to the Sun, approximately 150 000 000 km away.
What is an Astronomical Unit (AU).
What can the visibl light spectrum tell us about space?
What is (1) the direction stars are travelling, and (2) the composition of stars.
Scientists have determined that galaxies are moving away from each other because of this analysis
What is red-shift analysis?
This scientist, along with Brahe, developed three laws of planetary motion
Who was Kepler?
This planet is also known as the "red planet"
What is Mars?
When looking at a star, this represents the horizontal distance from north.
What are azimuth?
This is a space vehicle carrying scientific instruments and sent to fly past, orbit, or land on a celestial body to collect data
What is a probe?
The largest evidence for the Big Bang theory comes from the presence of this in the universe
What is cosmic background radiation?
This event occurs in December and June each year and represents either the longest or shortest day of the year.
What is the solstice?
This planet has an unusual rotation as it is flipped on its side and has a blue atmosphere due to methane gas.
What is Uranus?
Radiation from the Sun does not cause more damage to Earth because of this
What is Earth's magnetic field?
This type of satellite orbits at the same speed as the Earth rotates
What is geosynchronous?
Intermediate mass stars such as the Sun will eventually cool, forming these.
What are black dwarves?