#universe

science Can we ever truly understand the mysteries of the universe?

The universe is vast, mysterious, and full of secrets that have yet to be uncovered. While we have made great strides in understanding the universe,... Read more

brightness_2 What is a nebula?

A nebula is a giant cloud of dust, hydrogen, helium, and other ionized gases in space. They can be described as a nursery for stars, as they are the... Read more

brightness_3 What are the main objects in the universe, such as stars, galaxies, and black holes?

The universe is a vast and complex place, filled with a wide variety of objects ranging from tiny particles to massive galaxies. However, some of the... Read more

brightness_5 What is the most massive known star by mass in the universe?

The most massive known star in the universe is R136a1, a star located in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. R136a1 has... Read more

explore How can space exploration contribute to our understanding of the universe?

Space exploration is not only about discovering new planets or galaxies, it is also about discovering new knowledge that can contribute to our... Read more

public How old is the universe?

The universe is approximately 13.8 billion years old, according to current scientific estimates. This age is determined through a variety of methods,... Read more

star What is the relationship between the formation of the solar system and the formation of the universe?

The formation of the solar system is a small part of the grander scheme of the universe. The universe is estimated to be around 13.8 billion years... Read more

all_inclusive How can something exist outside of space-time while still being within space-time and the universe?

The concept of something existing outside of space-time while still being within space-time and the universe is a complex and controversial one that... Read more

category What are the different types of galaxies in the universe?

Galaxies are massive systems of stars, gas, and dark matter that are held together by gravity. They come in various shapes and sizes, and are... Read more

brightness_7 What is the world's largest type of star by diameter?

The largest type of star by diameter is the red supergiant. These stars are massive and have a diameter of over 1,000 times that of the Sun. One... Read more