The time it takes for sunlight to reach Earth.
What is 8 minutes?
The name for the distance between the Earth and the Sun.
What is an Astronomical Unit? (AU)
You look up at the sky at night, and see the moon is completely full. This is a
The point in an object's orbit where it is furthest from the star.
What is aphelion?
The reason we can't see an object that is 15 billion light years away.
Why is the age of the universe is 14 billion years old?
The answer to this question is these topics put in order from closest to furthest away from Earth.
Mars, Saturn, The Asteroid Belt, The Moon, Polaris
What is The Moon, Mars, The Asteroid Belt, Saturn, Polaris?
The season Australia is in if North America is experiencing autumn.
What is Spring?
A day is this long on the moon.
What is one month?
The object if it is said to have an eccentricity = 0.
What is a circle?
The speed of light (m/s).
What is ~300,000,000 m/s?
The smallest distance out of these 4:
diameter of a typical planet
1 light-second
1 AU
diameter of a typical star
What is the diameter of a typical planet?
What the arrow in this diagram is pointing to.
What is Polaris?
The name for a moon phase that is a sliver on the right side of the moon
What is a Waxing Crescent?
The point in an orbit where the planet is moving the fastest.
What is the perihelion?
On the scale of the cosmic calendar, in which the history of the universe is compressed to 1 year, this existence would start in the last few seconds of 11:59PM on December 31st.
What is human civilization?
The nearest star besides our Sun.
What is Alpha Centauri?
The flat blue plane shown in this diagram.
What is the ecliptic plane?
The name for the moon phase in which solar eclipses occur.
What is new moon?
The period of a planet's orbit if the semi-major axis is equal to 5.0 AU.
T^2 = a^3
What is ~11.18 Earth years?
The time since the occurance of the Big Bang.
What is 14 billion years ago?
Your cosmic address.
What is
You, Earth, solar system, Milky Way Galaxy, Local Group, Local Supercluster, universe
?
The change in weather if the Earth's tilt is 45ยบ.
What is more extreme, colder winter, warmer summer?
The reason we never see the back side of the moon.
What is a synchronous rotation?
The semi-major axis of an object with a period of 200 Earth years.
What is 34.19 AU?