Astronomy (wikipedia)/Quiz02

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1

What is this?
Ant Nebula.jpg

the magnetic field of Venus
colliding galaxies
a supernovae remnant
the magnetic field of Saturn
a dying star

2

Wihlem Conrad Rontgen, a pioneer in X-rays is famous for his photo of

a double star
his wife
Barnard's star
The Sun
a supernovae

3

Earth based infrared observatories tend to be located in

underground
where the air is cold
where the air is dry
near the equator
near the north and south poles

4

The shortest wavelength of electromagnetic radiation is associated with

X-rays
blue light
infrared
gamma rays
ultra violet

5

What are the blue things in this figure?
Grav.lens1.arp.750pix.jpg

a globular cluster
an open cluster of stars
a cluster of galaxy
one galaxy
none of these is correct

6

most of the ______ that astronomers observe from Earth is seen in the form of synchrotron radiation, which is produced when electrons oscillate around magnetic fields.

meteors
photons
radio waves
energy
meteorites

7

Most gamma rays are

bursts
from cold stars
from the Sun
the Andromeda galaxy
from hot stars

8

Studies in the infrared are useful for objects that are

associated with supernovae
in our own galaxy
cold
inside the solar system
in other galaxies

9

The best place to observe neutrinos is

underground
near the north and south poles
near the equator
where the air is dry
where the air is cold

10

An active galaxy is emitting a significant amount of its energy from _____

magnetism
gravity
nuclear fusion
nuclear fission
exploding stars