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Ask Astro

Science, Solar System

What happens if Earth stops rotating?

Science, Solar System, Stars

How can the Sun contain so many elements without its heat destroying them?

Observing

Who made the present-day constellations and why do they look the way they do?

Exoplanets, Science, Solar System

Why don’t planets fall into the stars they orbit?

Galaxies, Science, Stars

Do all stars exist in galaxies?

Science, Stars

What is the origin of the letters used in star classification?

Science, Stars

If hypervelocity stars are kicked out of binary systems by supernovae, how did they survive the blast?

Science, Solar System

Why does the same side of the Moon always face Earth?

Science

Why are astronomical jets always concentrated like a laser?

Observing

Why do brighter astronomical objects have negative magnitudes?

Observing, Stars

Are any Wolf-Rayet stars observable with a small telescope?

Robotic Spaceflight, Solar System

Did Pluto’s gravity affect the trajectory of New Horizons when it flew past? 

Posts pagination

1 2 3 … 24 Older posts
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