vocabulary
What does gravity means
The force by which planet or other body draws objects toward it's center
What is helium fusion
The type of nuclear fusion that occurs when helium together to form heavier elements.
why does gravity exist
because mass and energy warp the fabric of spacetime, causing objects with mass to move along the curvature.
What generates energy
The Sun is a massive star that generates the energy which powers our solar system
What is a main sequence star
A star that is fusing hydrogen to helium in it's core
What is a giant star
A star that is much larger and more luminous than other stars the same temperature
Gravity affects time
The stronger the gravitational field, the slower time passes
How many planets does the solar systems have
The solar system have 8 planets
What is a super giant star
A very large star that is even brighter than a giant, often despite being relatively cool.
What is a solar mass
The mass of the sun used as a unit of mass
why does the moon stay in place
The moon stays in place because of gravity
Which planet have the longest day
Venus have the longest day
What is the amount of solar mass
The mass of the sun used as a unit of mass equal to 1.989x10'30 kg
What is a black hole
A place where people or money disappear
Who discovered gravity
The Isaac Newton discovered gravity.
Which planet have the strongest wind
The wind on venus can blow the scientists away
What is galaxies
Galaxies is a huge collection of gas
What is Supernovas
Supernovas is a the marking end of a the star life cycle
Which is the biggest gravitational
In the whole universe, black holes have the biggest gravitational pull.
what planet spins sideways
Uranus spins sideways.