red stars
what is the temeprature of red stars?
less than 3500 kelvin
what is the size of blue stars?
25 times larger than the sun
what is the temperature of brown stars?
2200 down to 250 k
what is the universe made of?
gas and dust
is a red star hot or cold?
they are cold
what is the temperature of blue stars?
20,000 to 50,000 kelvin
what is the size of brown stars?
13 to 75-80 times more than jupiter
how many years does the universe is?
13 billion years
what is the size of a red star?
100 billion to 1 billion kilometers
mention an example of a blue star
familiar rigel
are brown stars hot or cold?
they are cold
what is the name of all the planets in order from the sun?
mercury,venus,earth,mars,jupiter,saturn,uranus and neptune
mention an example of a red star
Omicron Ceti
does blue stars die they they are young?
yes they do
what is brown star?
A remnant of a white dwarf that slowly cools down over millions and billions of years and is brown in color and emits little radiation.
which is the biggest planet?
jupiter
what is a red star?
A star is a luminous ball of gas,mostly hydrogen and helium,held together by its own gravity
what is the biggest blue star?
canis majoris
mention an example of a brown star?
gliese 229
which is the samallest planet?
mercury