Best Astronomy Quiz For Space Wooers

What feature of a star cluster is used to evaluate its age?

Total number of stars in the cluster

Chemical composition of stars in the cluster

Luminosity of the faintest stars in the cluster

Color of the main sequence turnoff in the cluster

Correct! Wrong!

Neutron stars have masses that vary from

1.2 solar mass to 30 solar mass

3.5 solar mass to 25 solar mass

2.5 solar mass to 10 solar mass

1.4 solar to 3 solar mass

Correct! Wrong!

Which one of the following supports the solar nebula theory of the origin of the solar system?

The sun is the least massive object in the solar system.

Planets are round.

Disks are rare around young stars.

Disks are common around young stars.

Correct! Wrong!

The lowest mass object that can begin thermonuclear fusion of hydrogen has a mass of about

0.001 solar mass

0.08 solar mass

0.5 solar mass

60 solar mass

Correct! Wrong!

Most planets so far detected around other stars were found by

The planet blotting out the light of the star.

Traveling to the star.

Varying Doppler shifts of the stars.

Seeing the planets next to the star.

Correct! Wrong!

As nearly all galaxies show red-shifted spectra, we recognize that

All of the above are correct

We must be at the center of the universe

The sky must be dark at night

The universe is expanding

Correct! Wrong!

What temperature does COBE find the Big Bang has cooled to by now?

5,800 K

About 3,000 K

273 K

2.73 K

Correct! Wrong!

Measured ages of globular clusters and a study of the time required for massive stars to form the present plenty of heavy elements implies that the universe is

No more than 9 billion years old.

Flat.

Closed.

At least 13 billion years old.

Correct! Wrong!

Black holes that are stellar pieces can be found by hunting for

Objects that emit very faint radio emission

Variable X-ray sources

Dark regions at the centers of galaxies

Extremely luminous infrared objects

Correct! Wrong!

If galaxy A is four times farther than galaxy B, then according to the Hubble Law, galaxy A will decrease __________ than galaxy B.

0.25 times faster

8 times faster

2 times faster

1.2 times faster

Correct! Wrong!

Best Astronomy Quiz For Space Wooers

Thanks for Playing Quiz

Good Luck

What feature of a star cluster is used to evaluate its age?

Neutron stars have masses that vary from

Which one of the following supports the solar nebula theory of the origin of the solar system?

The lowest mass object that can begin thermonuclear fusion of hydrogen has a mass of about

Most planets so far detected around other stars were found by

As nearly all galaxies show red-shifted spectra, we recognize that

What temperature does COBE find the Big Bang has cooled to by now?

Measured ages of globular clusters and a study of the time required for massive stars to form the present plenty of heavy elements implies that the universe is

Black holes that are stellar pieces can be found by hunting for

If galaxy A is four times farther than galaxy B, then according to the Hubble Law, galaxy A will decrease __________ than galaxy B.

You need to login to view the result