deka – Page 65 – Science Observer

How Infrared Telescopes Work

Infrared telescopes are powerful instruments that allow scientists to see parts of the universe invisible to the human eye. Unlike regular optical telescopes, which capture visible light, infrared telescopes detect…

deka August 26, 2025

Be Smart Cosmic Innovations Space Stories

What Would Happen if an Asteroid or Comet Were Found on a Collision Course with Earth?

The possibility of an asteroid or comet colliding with Earth has long been a subject of both scientific research and public concern. While such events are rare, history shows that…

deka August 26, 2025

Space Stories Universe

How Old Is the Universe?

The age of the universe is one of the most fundamental questions in cosmology. Scientists estimate that the universe is about 13.8 billion years old. This calculation is based on…

deka August 26, 2025

Space Stories Universe

How Star Clusters Form

Star clusters are groups of stars bound together by gravity, often born from the same giant cloud of gas and dust. They provide astronomers with important insights into how stars…

deka August 26, 2025

Earth & Moon Space Stories

What Are Lunar Maria (Lunar Seas)?

Lunar maria, often called “lunar seas,” are the large, dark plains visible on the surface of the Moon. Despite their name, they are not seas of water but vast areas…

deka August 26, 2025

Science Space Stories Universe

Why Is the Sky Black in Space?

When astronauts look out into space, they see a black sky, even though the Sun is shining brightly. This might seem strange because on Earth, the daytime sky is blue.…

deka August 26, 2025

Space Stories Universe

What Is a Planetary Alignment?

A planetary alignment, often called a planetary parade, is an astronomical event when several planets appear lined up in the sky from Earth’s perspective. In reality, the planets do not…

deka August 26, 2025

Science Space Stories Universe

How Scientists Search for Extraterrestrial Life

The question of whether life exists beyond Earth is one of humanity’s greatest mysteries. Scientists approach this search using a combination of astronomy, biology, and advanced technology. While no evidence…

deka August 26, 2025

Science Space Stories Universe

Why Celestial Bodies Are Round

When we observe planets, stars, and many moons, one thing stands out—they are mostly round. Unlike small asteroids or comets that often have irregular shapes, larger celestial bodies take on…

deka August 26, 2025

Space Stories Universe

What Shape Is Our Galaxy and How Does It Move Through Space?

The Milky Way Galaxy is our cosmic home, containing billions of stars, planets, nebulae, and black holes. From Earth, we see it as a faint band of light across the…

deka August 26, 2025