stars
how old is the oldest star
the oldest star is 12 billion years old
what is the solar system
the solar system is a group of planets formed together
What is a black hole?
A black hole is when the solar eclipse is 5 times bigger the mass of the sun
what are some of the challenges nasa faces
closed environments,water,food,oxygen
what are red giants
red giants are it is a vary large star with high luminosity
what is the biggest planet
the biggest planet is the jupiter
how do we know that a black hole is there?
a strong pull of gravity
what effect dose lack of gravity have on the body
you can lose muscle tone and it can compress everything together
what is the death of stars
the death of stars is when stars are born chang and die
is the sun considered a planet
no the sun is not a planet
what is the cause of a black hole
a super novia
how dose a star form
a star forms when they are born cloud and dust come together and spread around the galaxies
what are main sequence stars
they are the fusing hydrogen into helium that releases energy
what does earth mostly consist of
the earth mostly consists of iron,oxygen,silicon,and magnesium.
how big is a black hole
its about 5 times the mass of the sun
what is fusion
In fusion two or more small
what are stars made out of
stars are made out of hydrogen and helium
is neptune a hot or cold planet?
neptune is extremely cold
what dose a black hold do
a black hole pulls in matter
What makes up space?
Space is made out of a density of particles .