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?
Astronomers determine the chemical composition of a star using this technology
What is spectral analysis? (or Spectroscopy)
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?
Our Sun would be considered this class of star size.
What is intermediate?
This is a reusable aircraft that can be landed upon return to Earth like an airplane
What is the space shuttle?
What is away from Earth?
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 is the outermost part of the Sun's atmosphere
What is the corona?
This many countries help develop and operate the International Space Station
What is 16?
This is the effect that results in red-shifting and blue-shifting. Also the reason why sirens change pitch as they move towards and away from you.
What is the doppler effect?
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?
The dark patches on the Sun are these
What are sunspots?
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?
To increase the accuracy of triangulation, this must be increased.
What is the length of the baseline?
This scientist said that Earth rotated on its axis once daily and revolved around the Sun once a year.
Who was Copernicus?
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?
This is the term for the horizontal coordinate that indicates degrees from North.
What is azimuth?