Answer:
it helps researchers sense things on earth. they are usually on aircraft or in a satellite.
Explanation:
it collects data from a different level detecting the energy from the earth. this energy comes naturally from the earth's surface. it even most commonly picks up reflected sun light (which is also a source of radiation)
Answer:
Part of a train timetable is shown.
Aberystwyth
Shrewsbury
Birmingham
08 30
10 17
12 30
14 19
13 55
16 05
17 20
a)
Bob catches the 12 30 train from Aberystwyth. He arrives in Shrewsbury 8 minutes late. What time does he arrive in Shrewsbury?
b) How long is Bob's journey from Aberystwyth to Shrewsbury? Give your answer in minutes.
minutes
11 30
15 30
Judy catches the 12 30 train from Aberystwyth.
She arrives in Shrewsbury on time.
She attends a job interview.
She gets back to Shrewsbury station 1 hour and 50 minutes later. Is she back in time to catch the 16 05 train to Birmingham?
You must show your working.
Answer:
The star is a member of an eclipsing binary star system
Explanation:
- A careful explanation about the measurement reveals that the star maintains a steady and apparent shape of brightness and at most of the time remains brighter.
- With and usual intervals of about the 73 hours and then the star becomes contestant dimmer for about every toe hours and is due to the fact that the star is a member of the eclipsing system.
