We use these units to measure distance in Space: [blank_start]AU[blank_end], [blank_start]Light-years[blank_end], [blank_start]Scientific Notation[blank_end], [blank_start]Parralax[blank_end], and [blank_start]Triangulation[blank_end]
Answer
AU
Light-years
Scientific Notation
Parralax
Triangulation
Question 3
Question
What is the definition of AU?
Answer
The astronomical unit (AU) is a unit of length, roughly the distance from the Earth to the Sun.
The astronomical unit (AU) is a unit of length, roughly the distance from the Earth to Mars.
Question 4
Question
Define a Light-Year:
Answer
The distance light travels in a year
a unit of astronomical distance equivalent to the distance that light travels in two years, which is 9.4607 × 1012 km (nearly 6 trillion miles)
Question 5
Question
Define Scientific Notation:
Answer
Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 multiplied by ten, so you can write large numbers using less digits.
Scientific notation is a mathematical expression used to represent a decimal number between 1 and 100 multiplied by ten, so you can write large numbers using less digits.
Question 6
Question
Define Parralax:
Answer
the position or direction of an object appears to differ when viewed from different positions, e.g., through the viewfinder and the lens of a camera.
the position or direction of an object appears to stay the same when viewed from different positions, e.g., through the viewfinder and the lens of a camera.
Question 7
Question
Define Triangulation:
Answer
Uses simple geometry to determine distance in space by using a baseline and two angles
Uses complex geometry to determine distance in space by using a baseline and three angles
Question 8
Question
Which one in the proper conversion between standard and scientific notation? (Note: the numbers in the brackets are exponents)
Answer
4,750,000-------->4.75 X 10(6)
4,750,000-------->47.5 X 10(6)
4,750,000-------->4.75 X 10(5)
Question 9
Question
Liquid Water exists on: [blank_start]Earth[blank_end].
Answer
Earth
Mars
Jupiter
Question 10
Question
Ice exists on: [blank_start]Mars[blank_end] and [blank_start]Earth[blank_end]
Answer
Mars
Murcury
Pluto
Earth
Jupiter
Saturn
Question 11
Question
Water in the form of gas exists on: [blank_start]Earth[blank_end]
Triangulation is used to [blank_start]measure[blank_end] the [blank_start]distance[blank_end] to a [blank_start]star[blank_end] that is [blank_start]far away[blank_end].