Series

Black Holes:

Part 1: https://riyakore.blogspot.com/2021/07/black-holes.html

Part 2: https://riyakore.blogspot.com/2021/09/when-you-fall-inside-black-hole-theory.html

Part 3: https://riyakore.blogspot.com/2021/09/hawking-radiation-end-of-black-holes.html

Planets in the solar system:

Mercury: https://riyakore.blogspot.com/2021/10/things-about-mercury.html

Venus: https://riyakore.blogspot.com/2021/09/things-about-venus.html

Mars: https://riyakore.blogspot.com/2021/09/things-about-mars.html

Jupiter: https://riyakore.blogspot.com/2021/10/things-about-jupiter.html

Saturn: https://riyakore.blogspot.com/2021/10/things-about-saturn.html

Uranus: https://riyakore.blogspot.com/2021/10/things-about-uranus.html

Neptune: https://riyakore.blogspot.com/2021/10/things-about-neptune.html

Galaxies:

Milky Way: https://riyakore.blogspot.com/2021/10/the-milky-way-galaxy.html

Andromeda: https://riyakore.blogspot.com/2021/10/this-galaxy-is-coming-closer-to-us.html

Magellanic Clouds: https://riyakore.blogspot.com/2021/10/this-galaxy-is-hiding-dark-secret.html