in the solar system, this is what the planets orbit around
What is (24.1, 4th paragraph)?
Earth's only natural satellite
What is the (24.2, paragraph 2)?
the center of the solar system
What is the (24.3, paragraph 1)?
the Moon's shadow has this many parts
What are (24.4, paragraph 3)?
an imaginary line passing through the North and South poles
What is the (24.1, paragraph 13)?
all the water on Earth
What is the (24.1, paragraph 6)
these are now on the Moon
What are (24.2, paragraph 6)?
in this zone, hot material from near the Sun's center rises
What is the (24.3, paragraph 5)?
during this time, it is easy to see the sun's corona and solar prominences
What is a (24.4, paragraph 5)?
"related to the Moon"
What is (24.2, paragraph 1)?
keeps the Earth and Moon in their orbits
What is (24.1, paragraph 8)?
covers around 16% of the Moon's surface
What is (24.2, paragraph 9)?
the three outer layers of the sun make this
What is its (24.3, paragraph 6)?
the Moon reflects light from here
What is the (24.4, paragraph 8)?
a layer of the sun that has a temperature of 4 million degrees C
What is the (24.3, paragraph 4)?
has both north and south poles
What is the (24.1, paragraph 10?
this does not exist on the Moon
What is an (24.2, paragraph 12)?
this is the sun's halo, or "crown"
What is the (24.3, paragraph 9)?
this occurs when the whole side of the Moon facing Earth is lit
What is a (24.4, paragraph 9)?
violent explosions that release huge amounts of energy
What are (24.3, paragraph 12)?
in 1851, he hung a heavy iron weight from a long wire
Who is (24.1, paragraph 14)?
the crust of the Moon is composed of this
What is (24.2, paragraph 13)?
these form because loops of the sun's magnetic field break through the surface
What are (24.3, paragraph 12)?
the Moon undergoes a complete cycle of phases in this length of time
What is (24.4, paragraph 9)?
during this phase, the Moon is less than half lit
What is the (24.4, paragraph 9)?