Did you Know?
The estimated age of the universe, calculated from its beginning to present day.
13.8 billion years
28 days
The order of planets reversed in ten seconds
Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus and Mercury
The infinitesimal, infinitely dense point from which the universe began expanding.
singularity
The smallest planet in our solar system,
Mercury
The force responsible for pulling gas and dust together to ignite a star's core.
gravity
The astronomer who first observed redshift in distant galaxies during the 1920s.
Hubble
what is the distance from the sun
93 million miles (or 150 million kilometers)
draw the neap tide
neap tide
draw the spring tide
spring tide
The cosmic phenomenon where light shifts as an celestial object moves away
red shift
how many moons are in mars. 2, 4, 5 or 10
2
what is the name of the newest telescope
James Webb
The process inside a star's core that releases immense energy, causing it to shine.
nuclear fusion
the place where new stars are born
Star nebulae
Which planet was the first to be discovered with a telescope
Uranus
How do we know that the universe is expanding?
because of the red shift
What is Cosmic Microwave Background Radiation
The radiaton from Big Bang
what is the doppler effect?
when the sound change if is close or far
which planet takes more time to do revolution
Neptune