Rise in the east and set in the west due to Earth rotating from west to east

A pattern of stars in sky that often are named after animals are called _______________.

The daily spin of Earth on its axis is its _______________.

The _______________ occurs when Earth is between the Sun and the Moon.

Earth's orbit is actually 365.25 days. __________ is needed because Earth does not complete an orbit in exactly 365 days.

The _______________ takes about 4 weeks (about 30 days) to complete.

A _______________ is an annual motion of Earth around the Sun.

A _______________ occurs when Moon passes directly between Earth and Sun casting circular shadow on Earth. This occurs during the new moon phase.

During a lunar eclipse, ______________ discovered that Earth was a sphere when he observed the Earth's circular shadow on the Moon.

______________ is known for his extensive measurements of planetary positions.

Jupiter's four largest moons were discovered by ______________ . He showed that they did not orbit Earth.

An Earth centered solar system model is called the _______________. It was based on observation that everything moves around Earth from east to west.

______________ states that the orbits of planets are elliptical.

______________ determined that force of "gravity" kept planets in orbit.

______________ are able to determine a planet from a star because planets cut across background stars over course of several days.

The geocentric model has struggled to explain _______________.

If hammer and feather dropped on Moon at same time, they will hit at same time because no ______________ on the Moon.

The formula for Newton's 2nd Law of Motion is ______________ .

_______________ pulls upward going ball back to Earth and keeps the Moon in its orbit.

Amount of matter an object contains is its _______________.

______________ states that a body has the tendency to stay in a state of rest or motion.

The ______________ is Newton's 1st Law of Motion.

______________ states that Earth orbits the Sun (not the other way around) even though the force of gravity on each is the same. This is because Earth is less massive, and accelerates more by the gravitational force.

_______________ states when two objects interact, they create equal and opposite forces on each other.

The mass of object always stays the _______________ wherever it goes in universe.

Gravity is the ______________ causing all objects to be attracted to each other.

We _______________ less on the Moon because the Moon's lower mass creates a lower force of gravity at its surface.

The collection of all wavelengths of electromagnetic radiation is called the ______________.

______________ have small wavelengths, high frequencies and high EM energy.

______________ does not require a medium to travel.

A ______________ is a particle of light.

______________ does require medium to travel.

Light is ______________ that can be treated as a wave or particle of energy.

______________ have large wavelengths, low frequencies and low EM energy.

The study of light to determine composition of an astronomical body using its emitted or reflected light is called ______________.

The greater the light gathering power, the ______________ an object will appear.

______________ invented the reflecting telescope in 1672.

______________ makes it difficult to have ground based observations.

Ground based observations are easily made with ______________.

The larger the ______________ of an objective, the greater the light gathering power.

______________ use mirrors to focus light.

______________ use lenses to focus light.

______________ occurs due to the refraction of light in the Earth's atmosphere .

Ground based observations are easily made using ______________ (optical) light with reflecting telescopes.

These must be used above Earth's atmosphere.

The first manned Moon landing was ______________.

A ______________ used during War of 1812, inspired Francis Scott Key to write Star Spangled Banner.

The speed needed for a vehicle to leave the pull of Earth's gravity is called ______________.

The first century Chinese developed ______________ to make fireworks used in religious celebrations.

______________ was a competition between the US and USSR to see who was more technologically advanced.

The ______________ was the first rocket launched into space.

______________ is known as the father of rocket science.

The first man in space was ______________.

______________ are caused by particles from the Sun colliding with and exciting atoms in the upper atmosphere.

______________ formed when iron sunk as the bulk of Earth melted.

The ______________ occurs when water vapor and carbon dioxide absorb infrared radiation from ground and reradiate heat toward surface.

The ______________ of the earth is solid due to tremendous pressure of overlying material.

Earth's core is mostly made of the element ______________.

Rocks that contain silicon and oxygen are called ______________.

______________ occurs when one tectonic plate slides underneath another.

The ______________ says that material that formed the Moon were debris from a collision between the early Earth and another body.

Heavily cratered, lower-density regions of the lunar surface are called the ______________.

Large smooth, dark areas of the Moon surrounded by highlands are called ______________.

The ______________ is 1/6 as strong as Earth's.

The ______________ is 1/4 diameter of Earth's.

The ______________ is a surface layer of broken, pulverized, and powdered lunar rock.

______________ occurs when tidal bulges generate frictional forces between Earth and its water, slowing its rotation.

Differential gravitational force of the Moon and the Sun on the Earth cause ______________.

The _______________ failed building blocks of a planet located between the orbits of Mars and Jupiter.

Methods used to detect exoplanets include the _______________, gravitational lensing and transit.

_______________ are planets around stars other than the Sun.

The spherical region that surrounds the Solar System and extends up to 100,000 AU from Sun is called the _______________.

Chunks of material (1 mm to several km in size) from which planets were formed are called _______________.

Round objects that orbit the Sun in nearly circular orbits and nearly the same plain and have cleared their neighborhoods are called _______________.

The _______________ is composed of 71% hydrogen and 27% helium.

The diameter of _______________ is 1/2 of Earth

The process on Mars where water vaporizes from a solid directly to a gas is called _______________.

The ice on _______________ is found to exist at poles in permanently shadowed craters.

The hottest planet is _______________.

The _______________ on Mercury has the largest variation of day to night.

The _______________ of Venus is composed of 95% carbon dioxide. This makes this planet the terrestrial planet with the highest atmospheric pressure.

_______________ is the largest volcanic mountain in the solar system found on Mars.