Which of the following does a refracting

telescope use _______ to gather light and focus

images?

What colour are the hottest stars?

What type of celestial object orbits the Sun?

One light year is the distance light travels in one year.

A dwarf planet orbits another planet.

The planets are evenly spaced out in the solar system.

Other planets have ___________ moons than earth.

The planet Mercury looks like the moon with its many craters.

Not all objects in the night sky can be seen with the unaided eye.

A celestial object that orbits another larger celestial object

A small rocky celestial object that orbits the sun

Which statement explains why the amount of daylight changes throughout the year?

Which term best describes the model of the Solar System shown? Is it correct?

When can we observe a Solar Eclipse?

Which statement best explains why people on Earth always see the same side of the Moon?

True/False - All the stars in the Universe are in the Milky Way galaxy

The northern hemisphere is farthest from the Sun on June 21.

True/False - Ancient sailors used their knowledge of the stars to navigate

It takes Earth one year to _________ around the Sun

According to the ___________ theory, the Universe began bout 14 billion years ago and then expanded rapidly.

The ________ is an imaginary line running through a planet from pole to pole on which the Earth rotates producing day and night

______________ is the force that holds orbitting objects in their orbits.

A pattern of stars in the night sky is a(n)

Canadarm, Canadarm2 and DEXTRE are

Which of the following pose a risk for astronauts on space missions?

_______ are human occupied or robotic vehicles used to explore space or celestial objects.

Which of the following is the function of a telescope?

Which of the following is a distinguishing feature of the Moon?

What do scientists use to measure the distances between planets in the Solar System?

The distance between galaxies is __________.

True/False - You can see some of the planets in the Solar System unaided by any devices

The Moon is considered a satellite of the Earth.

When it is daytime in Hamilton, it is daytime everywhere on Earth.

True/False - Hot stars appear reddish and cool stars appear bluish.

True/False - The sun produces energy by nuclear reactions.

Astronauts get _________ when they are in space.

True/False - Pluto is no longer considered a planet because it does not orbit the Sun.

A ________ is an enormous collection of billions of stars.

A(n) _______ telescope uses mirrors to collect and focus light in space

Which of the following galaxies is shaped like a pinwheel?

A satellite's orbit around Earth is primarily controlled by _____.

_______ is a measure of how bright a star appears when viewed from Earth.

Which of the following is a Gas Giant?

Mercury, Venus, Earth, and Mars are known as the _________

Which of the following objects is luminous?

Polaris (the North Star) is different from the other stars because ___________

The inside of the Moon is nearly all _______

True/False - There is _____ water on the Moon.

SETI is ___________________

True/False - Neptune has rings around the planet.

True/False - Different stars give off different colours of light.

The ________ model is the current model of the Solar system with _______ at its centre

A new moon gets larger until it gets to a full moon. This is called ___________.

Scientists believe the universe is expanding because of ______.