# data[].attributes.headline
A unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun.

# data[].attributes.subject
A unit of measurement equal to 149.6 million kilometers, the mean distance from the center of the earth to the center of the sun.

# data[].attributes.body
(AU)

# data[].attributes.headline
Unit of distance used in astronomy, equal to about 3.26 light years. One parsec corresponds to the distance at which the mean radius of the earth's orbit subtends an angle of one second of arc. 3.086e+13 kilometers

# data[].attributes.subject
Unit of distance used in astronomy, equal to about 3.26 light years. One parsec corresponds to the distance at which the mean radius of the earth's orbit subtends an angle of one second of arc. 3.086e+13 kilometers

# data[].attributes.body
(P)

# data[].attributes.headline
The distance that light travels in free space in one hour (or 3600 light-seconds), and is equal to 1.079e+9 kilometers.

# data[].attributes.subject
The distance that light travels in free space in one hour (or 3600 light-seconds), and is equal to 1.079e+9 kilometers.

# data[].attributes.body
(LH)

# data[].attributes.headline
The angular distance of the moon from the sun, a planet, or a star, used in finding longitude at sea. 384,400 km.

# data[].attributes.subject
The angular distance of the moon from the sun, a planet, or a star, used in finding longitude at sea. 384,400 km.

# data[].attributes.body
(LD)

# data[].attributes.headline
A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.461e+12 kilometers  (nearly 6 trillion miles).

# data[].attributes.subject
A unit of astronomical distance equivalent to the distance that light travels in one year, which is 9.461e+12 kilometers  (nearly 6 trillion miles).

# data[].attributes.body
(LY)