Random things Flashcards
1
Q
Name 5 uses for an artificial satellite
A
Observe and photograph Earth, study weather systems, send radio and tv signal around the world, look deeper into space, discover more about the universe
2
Q
How many million is in a billion
A
1,000 million
3
Q
How many known exoplanets are there?
A
+4,354
4
Q
What are 2 techniques of ‘hunting’ planets?
A
Measuring how stars ‘wobble’ and measuring dips in the light from stars as planets pass in front, known as transit
5
Q
What do the results of the whole galaxy imply?
A
Nearly all stars have planets and there are similar amounts of planets as there are stars
6
Q
What is the temp on a planet often referred to?
A
The Goldilocks zone
