Planets
How many Planets are there?
9 including Pluto
very large and low-density stars, often with red or blue color
Giant and supergiant stars
What is the smallest planet in the solar system?
Mercury
small and medium-sized stars, with various colors and temperatures
Dwarf stars
When was Pluto considered a dwarf planet?
2006
very dense and hot stars, with white or blue color
White dwarf stars
Which planet is closest to Earth?
Different Planets At Different Times
extremely dense and compact stars, formed from collapsed cores of massive stars.
Neutron stars
On which planet would you find the "Great Red Spot"?
Jupiter
very hot and luminous stars, with strong stellar winds and emission lines.
Wolf-Rayet stars