Planets
What planet will we colonize if earth expired?
Most likely mars
What is the cloest star besides the sun?
Proxima centari
What is the hottest comet?
Some comets come so close they actually go through the sun's outer atmosphere. Those comets are called sungrazers, and their surfaces heat up to millions of degrees when they shoot that close to the sun
What is the hottest planet?
Venus
How long does it take for a black hole to eat a star?
A matter of weeks or months
What is the coldest comet
This question is not known :p
What is the biggest planet?
Jupiter
What is the diameter of the sun?
865,370 mi
What is the smallest planet?
Pluto/Mercury
How hot is the sun?
The temperature at the surface of the Sun is about 10,000 Fahrenheit (5,600 Celsius).
What is the coldest planet?
Uranus
What is the coldest star?
WISE JO623