Solar System
99% of the mass of the solar system is concentrated in _____________.
Sun
What is the name of our moon?
Luna
What planet has the shortest year?
Mercury (88 earth days)
Which planet is known as 'the ringed planet'?
Saturn
Distance between earth and the sun
AU (Astronomical unit)
Which planet is known as the 4th and the red planet?
Mars
Shortest distance between earth and the moon
Perigee
What separates the four inner planets and the four outer planets?
Asteroid Belt
Which planet do we live on?
Earth
Triton is a moon in what planet?
Neptune
Deimos is a moon in what planet?
Mars
Longest distance between sun and a planet.
Aphelion
Solar system model wherein earth is the center of the solar system.
Geocentric Model
What is next region beyond the planetary region?
Kuiper Belt
What are the two forces acting on an orbit?
Straight-forward and gravity
What is the largest planet in our solar system?
Jupiter
What planet has the highest eccentricity?
Mercury
Kepler's first law states that orbits are ___________.
Ellipse
Which planet in the solar system has 27 moons?
Uranus
Ganymede and Io are the moons of what planet?
Jupiter
Titan is a moon in what planet?
Saturn
Natural attraction between two physical bodies due to their masses.
Gravity
Apparent shift of the object with respect to the background and from different perspective.
Parallax
Long term comets travel a long distance and also give us information about the the composition of what region in our solar system?
Oort Cloud
What is the equation to to show the relationship between the period (number of years it revolve around the sun) and distance (AU) of an astronomical body?
p2 = a3