Space Exploration Flashcards
Does space have gravity?
Space does have a small amount of gravity. This is referred to as microgravity.
What is the risk of space junk?
Damage to The International Space Station and other satellites
The Andromeda galaxy is ______ than our galaxy (the Milky Way)
Larger
Interferometry is _____
Technology that combines multiple telescopes images together to make a clearer, more precise picture
Adaptive optics is technology that _____
Creates clearer images by correcting the blurring caused by Earth’s atmosphere
What is parallax and what is it used for?
It is the apparent shift in the position of an object when viewed from different perspectives. It is used to measure the distances to nearby stars by observing their position from Earth at different times of the year (triangulation)
Equinox’s happen in _______ and _______
Day and night are ____________
The Earth is the ______ to the Sun
Spring, fall
About the same length
Closest
Solstices happen in _______ and _______
________ and ________ days
The Earth is the ______ from the Sun
Summer, winter
Longest, shortest
Farthest
The main asteroid belt is located between _______ and _______.
It separates our solar system’s 8 planets into two groups. Mars and inward are ______ planets and Jupiter and outward are ______
Mars, Jupiter
Terrestrial, gas giants
Stars rotate _______ when facing north
Counter-clockwise
What is a light year?
The distance light travels in one year
What is an astronomical unit (AU)?
The distance between the Earth and Sun
