Special Dates

Astronomy Day is an annual event held on Saturday between mid-April and mid-May on or just before the first quarter Moon. But apart from this day, there are some other special dates that are related to astronomy. Such as Galileo Day, International Asteroid Day, Earth Day, International Day of Human Space Flight, and more. Here you'll learn what astronomy-related events exist and how to celebrate them.

Vostok 1 Spacecraft

April 12: Anniversary of the First Manned Space Flight

~6 min

On April 12, we celebrate the anniversary of the first human spaceflight. Learn more about modern astronauts and space missions!

Astronomical News
Galileo Galilei portrait

From the Moons of Jupiter to the Laws of Motion: The Contributions of Galileo Galilei to Astronomy and Science

~7 min

Galileo Galilei is widely considered to be one of the most outstanding scientists of all time. Take a closer look at the legacy of this remarkable man and how his work continues to shape our world today.

Astronomical News
Chinese New Year 2023-2

Chinese New Year 2023: Year of the Water Rabbit

~5 min

In 2023, Chinese New Year falls on January 22, starting the year of the Rabbit 🐇 Read our article to learn everything about this traditional festival.

Astronomical News
Asteroid Heading Towards Earth

International Asteroid Day: History, Key Facts, Activities

~4 min

How can you prevent asteroid impact hazards by observing Asteroid Day? Learn from this article!

Astronomical News
The Earth & NASA Suomi NPP

Earth Day: Protecting Our Home Planet

~3 min

April 22 is observed worldwide as Earth Day, and even space missions participate. Learn more about their impact and ways to celebrate Earth Day.

Astronomical News
Earth Hour

Earth Hour Explained: All About Earth Hour Movement

~4 min

Why is Earth Hour important for astronomers? Earth Hour vs Earth Day: same thing or not? Learn about Earth Hour’s meaning!

Astronomical News
The International Day of Planetariums 2021

Why Are Planetariums Important Today?

~5 min

Searching for a new leisure time activity? Visit your nearest planetarium! In today's article, you’ll find everything you need to know about space theaters.

Astronomical News
60th Anniversary of Yuri Gagarin's flight

60th Anniversary of the First Human Space Flight

~4 min

In today’s article, we’ll talk about the flight of Yuri Gagarin and remember another important event that also happened on April 12.

Astronomical News