Branches
How many branches of astronomy we learned
10 branches
A tool the man invented to magnify and clearly see what is nos visible yet.
Telescope
How many planetary models we learned?
6 models
Is the study of the universe.
Astronomy
Which 4 planets have ring systems.
Jupiter, Saturn, Uranus and Neptune.
Astrogeology is also called
Exology
They are known as fathers of ancient astronomy.
Greek astronomy
This model accepted that Earth was a sphere.
Pythagorean Model
The sun contains how many % of mass of the system.
more than 99%.
Say the planets in order outward the Sun:
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
This especialization uses physics to explain the properties and phenomena of bodies of the universe.
Astrophysics
This civilization create a calendar to control the passage of time.
Mayan Astronomy
He described the Earth as round and circular with two flat surfaces.
Anaximander
What is located in the center of the solar system and influence the motion of all other bodies through gravitational force.
The Sun
When it was discovered Pluto?
In 1930 orbiting beyond Neptune.
This branch of astronomy studies human trayectories.
Astronautics
He is one of the most notable astronomers of ancient China.
Gan De
Was the first astronomer to calculate the relative size of Moon, Sun and Earth.
Aristarchus
He first proposed the big bang theory in 1920s.
George Lemaitre
Is a natural object (moon) or spacecraft orbiting a larger astronomical body.
Satellites
Deals with origin and evolution of universe.
Cosmology
They did a calendar with 3 weeks in a month and 10 days in the week.
Egyptian astronomy
He said jupiter has four moons revolving around it.
Galileo Galilei
Explain the theory of timing of the Big Bang. (1x10-43)
The universe was ver compact, less thatn a million trillionn the size of a single atom.
1x10-43 is 0.0000000000000 (43 times) 43.
What is the shape of an orbit?
All orbits are elliptical, similar to an oval. In planets, the orbits are almost circular. The orbt of comets have different shape.