Awesome Astronomy

Part 1.

 Q.1. The following constellation consists of seven main stars.

A. Ursa major

B. Ursa minor

C. Hercules

D. Lyra

Ans. Ursa minor


Q.2. The majority of asteroids are found between the orbits of

A. Mars and Jupiter

B. Earth and Mars

C. Jupiter and Saturn

D. Saturn and Uranus

Ans. Mars and Jupiter


Q.3. The cosmic micorwave background radiation comes from

A. quasar

B. the solar nebula.

C. the Big Bang.

D. radio galaxies.

Ans. The big bang


Q.4. What prevents a white dwarf from collapsing to a black hole?

A. The highly compressed electrons exert degeneracy pressure.

B. Fission of complex elements releases heat.

C. Fusion of complex elements generates heat.

D. The highly compressed neutrons exert degeneracy pressure.

Ans. The highly compressed electrons exert degeneracy pressure


Q.5. Hubble's Law enables astronomers to estimate the distance to a galaxy if they can determine the galaxy's

A. velocity of recession.

B. mass.

C. spectral type.

D. temperature.

Ans. Velocity of recession


Q.6. Cosmological redshift is the result of the

A. expansion of the universe.

B. supermassive black holes.

C. galaxies speeding away from us.

D. Tully-Fisher relation.

Ans. Expansion of the universe


Q.7. In about 5 billion years, the sun will become

A. a supernova.

B. a black hole.

C. a red giant star.

D. a neutron star.

Ans. A red giant star.


Q.8. In order from the hottest to the coolest stars, the order of the stellar spectral sequence is 

A. MKGFABO

B. ABFGKMO

C. OBAFGKM

D. OBFGAMK

Ans. OBAFGKM


Q.9. When neutron degeneracy fails in a high-mass star, it becomes a

A. white dwarf

B. black hole.

C. pulsar.

D. neutron star.

Ans. White dwarf


Q.10. The oldest star clusters are

A. globular clusters.

B. galactic clusters.

C. open clusters.

D. the Pleiades.


Ans. Globular clusters

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