#cosmology

filter_frames What is the difference between a supercluster and galaxy cluster?

A galaxy cluster is a group of galaxies that are gravitationally bound to each other. They are the largest known gravitationally bound structures in... 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

waves What is the role of gravitational waves in understanding the solar system?

Gravitational waves are ripples in the fabric of spacetime that travel at the speed of light. They were predicted by Albert Einstein's theory of... Read more

science What is dark matter?

Dark matter is a hypothetical form of matter that is thought to account for approximately 85% of the total matter in the universe. Unlike ordinary... Read more

science What is the nature of dark matter and dark energy?

Dark matter and dark energy are two of the biggest mysteries in modern astrophysics. Dark matter was first proposed to explain the gravitational... Read more

explore What is the difference between a redshift and a cosmological redshift?

Redshift and cosmological redshift are both related to light and how it behaves as it travels through space. Simply put, redshift refers to the shift... Read more

science What are the branches of astronomy?

Astronomy is a field of science that deals with celestial objects such as stars, planets, and galaxies. It is a broad field of study that is divided... Read more

signal_cellular_alt How do we know the universe is infinite?

Our understanding of the universe has come a long way in recent years. It has been a subject of human inquiry for thousands of years, and through the... Read more

science What is the Great Attractor?

The Great Attractor is a gravitational anomaly located in the direction of the Centaurus and Norma clusters of galaxies in the southern sky. It was... Read more

contact_support What are the implications of space exploration on religion and spirituality?

Space exploration has had a profound impact on human society, both scientifically and culturally. As we continue to expand our understanding of the... Read more