ZM vocab Test 2 18-19

Front

Perihelion:

Back

Point in orbit closest to the Sun.

Front

Azimuth:

Back

Angle measured eastward along the horizon from north to the point directly below the object.

Front

Right ascension:

Back

Grid lines running North-South on a star chart for locating celestial objects.

Front

Declination: the grid lines running east-west on a star chart for locating celestial objects.

Back

the grid lines running east-west on a star chart for locating celestial objects.

Front

Karman Line:

Back

the international boundary of space.

Front

Altitude:

Back

an object's angular distance above the horizon.

Front

Troposphere:

Back

Lowest atmospheric region, from Earth's surface to 3.7–6.2 miles (6–10 km), lower boundary of stratosphere.

Front

Dark adaptation: the process by which the eye becomes more sensitive to dim light.

Back

the process by which the eye changes to become more sensitive to dim light.

Front

Acceleration:

Back

any change in speed.

Tags

NGSS.MS-PS2-2

Front

Atmosphere:

Back

Envelope of gases surrounding Earth or another planet.

Tags

NGSS.MS-ESS2-6