New post in Astronomy

Why can't we see the satellites?

January 6th, 2023

Shining object in the sky resembling a star

July 11th, 2020

How is the temperature of other planets measured?

May 8th, 2020

Celestron NexStar 6 SE vs. Orion XT8

December 29th, 2020

Why wasn't the moon visible during the day a few decades ago?

July 24th, 2020

What age to start kids with astronomy

May 6th, 2020

How do you measure distance to stars within the galaxy?

April 7th, 2020

What's the difference between a red giant and a red supergiant?

August 1st, 2022

Most accurate ways to find the average distance between stars in Milky way galaxy

August 1st, 2022

What is the formal definition of a stellar day?

August 1st, 2022

How did pre-Copernican astronomers accurately predict planetary position?

September 4th, 2020

What is the percentage of stars with planetary systems

September 19th, 2020

If you focus in on one image, is combining two telescopes really equivalent to a larger mirror?

August 1st, 2022

What telescope would I need to observe Mars's polar caps?

August 4th, 2020

Determine date of birth from "astrological" signs?

May 31st, 2020

How can the date of lunar eclipses be calculated by hand?

July 3rd, 2020

Smaller free remote control telescopes?

May 6th, 2020

How can I stabilize an unstable telescope?

August 1st, 2022

View of the Sun from Voyager 1

May 29th, 2020

How much of the universe is observable at visible wavelengths?

December 8th, 2020

How would one navigate interstellar space?

March 30th, 2021

Is it possible to prove or disprove the Einstein Synchronization Convention with astronomy?

December 2nd, 2021

What is the precise definition of “cadence” in astronomy?

April 2nd, 2021

Is antumbra part of shadow darker than penumbra part of shadow?

March 2nd, 2020

"Reverse engineering" of a horoscope?

June 14th, 2020

Why is the summer, in the temperate latitudes, in average, hotter that the spring?

September 6th, 2020

Velocity distribution in Plummer's models and others mass distributions

February 17th, 2020

Stable and Unstable Orbital Resonance

December 18th, 2020

Are planetary orbits measured from the Sun's surface or centre?

December 25th, 2020

Significance of letters in Hertzsprung-Russell (H-R) diagram

August 1st, 2022