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WorksheetsTHE UNIVERSE
Total questions: 12
Worksheet time: 7mins
What is the size of the Sun?
Average
Massive
Tiny
A little bigger than Sirius
What is the escape velocity of Jupiter?
59.5 m/s
69.5 km/s
70.69 m/s
59.5 km/s
The brightest star in each constellation is represented by which Greek alphabet?
α
β
η
γ
During the first three minutes of the Universe, the light elements were born during a process known as Big Bang "_________"
nebulasis
electrosynthesis
nucleosynthesis
none of these
The Sun is a what type of Star?
G2V
KV6
G2K
KV2
The classification stated by Hubble to classify galaxies is known as__________________________.
Galaxy Belt Diagram
Toggle Space diagram
Hubble Celestial Diagram
Tuning Fork Diagram
When a clump of stars, gas and dust become massive enough, it starts to collapse under its own gravity. At this point the clump becomes a _____________.
protogalaxy
stellargalaxy
megagalaxy
lupusgalaxy
What happens when two neutron stars collide?
a black dwarf is formed
a white dwarf is formed
a black hole is formed
either (1) or (3)
What are white holes?
A black hole running backwards in time
It spits out any matter coming near it
probably a medium of time travel and is still in research
When two white dwarfs collide
Which system of a typical rocket accounts for its stability?
Propulsion System
Guidance system
Payload System
Communication system
What are asteroids?
Small rocks that were clumped together into large rocks due to the gravitational pull of the Sun
Remains from the formation of solar system
Planets from the formation of the Solar System that did not fully succeed in its formation
None of them are correct
Which of the following methods can be used for detecting an exoplanet?
Radial Velocity method
Hubble's Wobble theory
Doppler Effect
Frequency Imager method
