AST 101 Starry Night Week 1
We can see artificial satellites in the sky because they emit their own
light. True or False? - correct answer ✔ ✔ False
As viewed from the north pole, the Earth turns _______ on its axis. -
correct answer ✔ ✔ Counterclockwise
The moon orbits the Earth in a ________ direction; the same direction
that Earth rotates and revolves. - correct answer ✔ ✔
Counterclockwise
Our sun was born approximately 4.6 billion years ago. How many
journeys around the centre of our galaxy has the sun made? - correct
answer ✔ ✔ 21
A light year is - correct answer ✔ ✔ The distance light travels in one
year
, A star is 230 light years away. The light we see tonight from that star
left it - correct answer ✔ ✔ 230 years ago
The star that provides energy for life on Earth is - correct answer ✔ ✔
The location of the Earth in the Milky Way Galaxy is approximately
how many light years away? - correct answer ✔ ✔ A little less than
30,000 LY's
Even with the best and largest telescopes, we can't see all the stars in the
Milky Way Galaxy, even though these same telescopes can show us
other galaxies. Why is that? - correct answer ✔ ✔ Dust in the space
in between stars builds up over large distances and blocks the light of
stars behind the dustier parts of the Milky Way
The smallest piece of an element (like gold or lead) that still has all the
properties of that element is called - correct answer ✔ ✔ An atom
By the term universe, astronomers mean - correct answer ✔ ✔
Everything that we can observe
Which of the following is the Earth NOT located in? - correct answer ✔
✔ You can't fool me, we are located in all of the above
We can see artificial satellites in the sky because they emit their own
light. True or False? - correct answer ✔ ✔ False
As viewed from the north pole, the Earth turns _______ on its axis. -
correct answer ✔ ✔ Counterclockwise
The moon orbits the Earth in a ________ direction; the same direction
that Earth rotates and revolves. - correct answer ✔ ✔
Counterclockwise
Our sun was born approximately 4.6 billion years ago. How many
journeys around the centre of our galaxy has the sun made? - correct
answer ✔ ✔ 21
A light year is - correct answer ✔ ✔ The distance light travels in one
year
, A star is 230 light years away. The light we see tonight from that star
left it - correct answer ✔ ✔ 230 years ago
The star that provides energy for life on Earth is - correct answer ✔ ✔
The location of the Earth in the Milky Way Galaxy is approximately
how many light years away? - correct answer ✔ ✔ A little less than
30,000 LY's
Even with the best and largest telescopes, we can't see all the stars in the
Milky Way Galaxy, even though these same telescopes can show us
other galaxies. Why is that? - correct answer ✔ ✔ Dust in the space
in between stars builds up over large distances and blocks the light of
stars behind the dustier parts of the Milky Way
The smallest piece of an element (like gold or lead) that still has all the
properties of that element is called - correct answer ✔ ✔ An atom
By the term universe, astronomers mean - correct answer ✔ ✔
Everything that we can observe
Which of the following is the Earth NOT located in? - correct answer ✔
✔ You can't fool me, we are located in all of the above
