Question

X-rays cannot pass through Earth's atmosphere. Which of these is the best location to place a telescope used to observe x-rays from stars?

high-flying aircraft
top of building
mountain
space

Answer 1

@mathstudent55

Answer 2

@IrishBoy123 plz help

Answer 3

ur ans is right here " X-rays cannot pass through Earth's atmosphere"

Answer 4

so which one would it be?

Answer 5

welcome :)

Answer 6

@superdavesuper so which one would it be?

Answer 7

wat do u think?

Answer 8

umm i thought that it would be high flying aircraft is that right?

Answer 9

aircraft Vs atmosphere - is it still with the atmosphere?

Answer 10

well then mountain is possible too

Answer 11

But it says "X-rays canNOT pass through Earth's atmosphere"

Answer 12

well than mountain and building are one of them..

Answer 13

if they cannot pass through the atmos, might it be good idea to get get out of the atmos??? so you can see/observe/test them?

Answer 14

hmmm.. it is top of building.

Answer 15

atmosphere = air

Top of building - any air?
Tall mountain - any air?

Answer 16

@superdavesuper would it be top of building then?

Answer 17

is there any air at top of building?

Answer 18

ya there is air everywhere.

Answer 19

superdave has this

Answer 20

@IrishBoy123 u can pick up after i give up....

@Spring98 air everywhere except for ONE of the choices....

Answer 21

well iv asked you all of them already, I'm confused. :{

Answer 22

space and high flying aircraft are not it for sure.

Answer 23

so that means that it HAS to be mountain.

Answer 24

aircraft needs air to fly so u are right there @Spring98

Answer 25

but....

Answer 26

can you tell me what it is? i need the answer to submit..

Answer 27

The ans is the ONE choice where there is no air.

OS does not allow posting direct ans here. This is not really that difficult!