PA Test Science 9

This happens when the Moon is exactly on the opposite side of the Earth to the Sun.

• a solar eclipse

• an annular eclipse

• no eclipse

• a lunar eclipse

Approximately how far is the Sun from the from the centre of our Milky Way galaxy?

• 149,000,000 kilometers

• 600,000 kilometers

• 25,000 light years

• 150,000,000 kilometers

A cooler zone of the Sun’s surface that appears as a dark spot caused by strong magnetic activity within the sun.

• coronal ejection

• sunspot

• solar flares

• solar cell

Which gravitational pull has the greatest effect on tides?

• The moon's gravitational pull on Earth.

• The sun's gravitational pull on Earth.

• Earth's gravitational pull on moon.

• The sun's gravitational pull on moon.

Which astronomer is best known for his theory about the Earth was the centre of the universe and everything else moved around it?

• Johannes Kepler

• Albert Einstein

• Claudius Ptolemy

• Isaac Newton

Which of the following is NOT a desirable feature of a telescope?

• resolution

• chromatic abberation

• magnification

• lenses

Which comet named after an astronomer that returns to pass near Earth every 76 to 77 years?

• Comet McNaught

• Shoemaker-Levy 9 Comet

• Comet Bennett

• Halley's Comet

What type of rocks are found on the moon?

• Basalt and Breccia

• Obsidian an Basalt

• Sandstone and Granite

• Limestone and Shale

Which spacecraft landed on the moon on 20^th July 1969?

• Sputnik 1

• Voyager 1

• Apollo 11

• Luna 10

Who is remembered for his discovery of a supernova?

• Isaac Newton

• Galileo Galilei

• Tycho Brahe

• Nicholas Copernicus