May 8, 2023

Author: Uzaif Kevin

What do we know about space so far? 

The Big Bang 

The Big Bang is the most widely accepted theory about the origin of the universe. According to this theory, the universe began as a singularity, a point of infinite density and temperature. 

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Dark Matter and Dark Energy

Scientists have known for decades that the universe is expanding, but it wasn't until the 1990s that they discovered that this expansion is accelerating.

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Exoplanets

For centuries, humans have wondered if there are other planets like Earth out there in the universe. In the 1990s, scientists began discovering planets orbiting other stars, which are now known as exoplanets.

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Gravitational Waves

Gravitational waves are ripples in the fabric of space-time that are caused by the acceleration of massive objects, such as colliding black holes or neutron stars.

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Black Holes

Black holes are objects with such strong gravitational fields that nothing, not even light, can escape from them.

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Cosmic Microwave Background Radiation

The cosmic microwave background radiation (CMB) is the afterglow of the Big Bang, and it provides important clues about the early universe.

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Cosmic Microwave Background Radiation

Gamma-Ray Bursts

Gamma-ray bursts (GRBs) are short-lived bursts of high-energy gamma rays that are the most powerful explosions in the universe.

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Cosmic Microwave Background Radiation

Interstellar Medium

The interstellar medium (ISM) is the matter and radiation that exists in the space between stars in a galaxy.

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Cosmic Microwave Background Radiation

Planetary Exploration

Scientists have also been exploring the planets and other objects in our solar system. This has led to many important discoveries, such as the existence of water on Mars and the discovery of geysers on Enceladus, a moon of Saturn.

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Cosmic Microwave Background Radiation

Space Technology

Satellite technology has revolutionized communication, navigation, and weather forecasting, while space-based telescopes have allowed us to study the universe in unprecedented detail.

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Cosmic Microwave Background Radiation

There have been many other space exploration discoveries, but despite knowing so much, it is not even 1% of space exploration.

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Complete article to know about space exploration properly.