Get Pluto facts. Learn about the dwarf planet, which was once considered the ninth planet of the solar system.| Science Notes and Projects
Get facts about the planet Mercury. Learn about its orbit, temperature extremes, and atmosphere. Discover whether life on Mercury is likely.| Science Notes and Projects
Here are most than 10 examples of plasma, the most abundant state of matter in the universe. An explanation of plasma properties is included.| Science Notes and Projects
Learn what a nova is. Get facts about novae and supernovae, including how they form, the difference between them, and famous examples.| Science Notes and Projects
See how to choose a telescope. Learn the difference between reflectors vs refractors, types of mounts, and other factors you should consider.| Science Notes and Projects
Get the definition of absolute zero. Learn what temperature it is in Kelvin, Celsius, and Fahrenheit and whether we can go below it.| Science Notes and Projects