Z-Astronomy 2017

The measure of how much energy leaves a star in a certain period of time

The first man-made satellite to enter space and orbit Earth

Nearly 99% of the mass of our solar system

Which term includes the other three

When the northern hemisphere is tilted toward the sun it is called

What phase of the moon is it when we have a total solar eclipse

The first country to land humans on the moon

The gases that are predominant in stars are

A vast cloud of dust and gas that gives rise to a protostar is called a

The first manned spaceship to land on the moon

The process that changes hydrogen into helium in a star

The Great Red Spot is a huge cyclonic storm found on the planet

What % of the Earth is illuminated by sunlight at all times?

Which planet is Earth's twin and has a dense carbon dioxide atmosphere?

What best describes giant stars that are on the top right of the HR diagram?

The main determinant of how a star dies is

The Earth is located between which two planets

Hubble detected a red shift in the light from all objects within galaxies. This indicates

The theory that our sun and planets were created as stellar dust and gas condensed

The asteroid belt is located between

Which is not a terrestrial planet?

When the sun, earth, and moon, are all in alignment it is called a

Why does a comets tail point away from the sun?

The seasons are caused by earth's ____ degree tilt on its axis

Earth is the __ planet from the sun

The compound in the Earth's atmosphere that is present in all three states

The name of the galaxy that contains the sun and its components

A solar eclipse when the sun earth and moon are in what locations?

Which planet has a dense atmosphere made of carbon dioxide making it very hot like a greenhouse

The scientist that proved the sun was the center of the universe (heliocentric)

A star begins its formation as gravitational forces cause instability within a

The distance between the Earth and the Sun is 93 million miles. this is known as 1