UNIQUE UNITS IN ASTRONOMY

LESSON 3: WHAT DO ASTRONAUTS MEASURE?

INSPIRATION: AFTER THE NOTES, IMAGINE EVERYTHING THESE SCIENTISTS MUST THINK ABOUT WHEN CALCULATING FLIGHTS.

SPACEX AND NASA

FOR YOUR NOTEBOOK:

Lesson 3: Unique Units in Astronomy

Key Units:

Astronomical Unit - the mean distance from Earth to the Sun. one astronomical unit (AU) = 92,955,807 miles (149,597,871 km)
Length of Year - Number of Earth years. (How long it takes to revolve around the sun)
Planet Type - Terrestrial (rocky), Gas Giant (All Gas Mixture), Ice Giants (Solid Ice Surface)
Volume - Amount of space an object takes up.
Mass - Amount of matter in an object
Density - Mass/Volume
Escape Velocity - The speed needed to escape the gravity of a planet.
Surface Gravity - The downward acceleration of an object when released within the gravitational pull of a celestial body.

FIND THE UNIQUE UNITS OF OUR SOLAR SYSTEM

CELESTIAL HUNT

Use NASA's Solar System Exploration Sim to tell you the Unique Unit information for our Solar System's Celestial Bodies. Fill out the document with it.

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