Author: Staff

Solar System

Ask Astro: Why do Saturn’s rings look solid when they’re not?

Human Spaceflight

Ask Astro: What time is it on the International Space Station?

Robotic Spaceflight, Science

Ask Astro: How and why do satellites orbit Lagrange points?

Solar System, The Sun

Ask Astro: How often do two different solar eclipses cross paths?

Exotic Objects, Planets

Ask Astro: Does Planet Nine have enough mass to be a black hole?

Robotic Spaceflight, Solar System

Ask Astro: How did Earth’s gravity capture (then lose) a 50-year-old rocket booster?

Astronomy for beginners, Observing

Ask Astro: Why are so many stars named Gliese?

Exotic Objects, Galaxies

Ask Astro: Do supermassive black holes create bars in galaxies?

Observing

Ask Astro: Why do we have meteor showers every year?

Planets

Ask Astro: Why do the planets orbit the Sun counterclockwise?

Astronomy for beginners

Photo gallery: Visions of Starmus past

Solar System

Photo gallery: Comet NEOWISE shines in the morning sky