Astronomy (wikipedia)/Quiz02

1

What is this?

	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?

	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