Guy Ottewell

The difference between ‘signs’ and constellations

When – astrologically – the sun enters the “sign” of Gemini, it is still nearly one month away from entering the constellation Gemini in the sky. Astronomer Guy Ottewell illustrates and discusses this difference.

Don’t miss Tuesday’s moon-Jupiter-Saturn trio

The planets Jupiter and Saturn are exceedingly near each other now on the sky’s dome, heading for a 20-year conjunction later this year. See them with the moon on May 12!

Illustration of Earth with a arrow pointing to the equator.

Cheery thoughts for a scary time

Some astronomy thoughts to distract you from quarantine life under the coronavirus plague, from Guy Ottewell.

Painting Botticelli's Birth of Venus.

Valentine Venus

Talk about an awesome Valentine’s Day activity! Go outside and show your sweetie Venus, the planet of love. Astronomer Guy Ottewell provides a chart and more.

Get ready for the Venus-Saturn conjunction

Venus and Jupiter had a spectacular conjunction last month. Soon, Saturn and Venus will meet in the west after sunset. Guy Ottewell offers insights and charts to prepare you for this encounter between worlds.

Simple diagram showing Earth and Venus orbits around the sun, in relationship to each other, in the year 2020.

What’s a node?

Venus passes its descending node on Friday at 2 UTC. What is it? And why does astronomer Guy Ottewell say that nodes “shape the orbits of the moving bodies and set them up for whatever else happens” … ?

Illustration of the whole Earth around midnight in Europe, with the Orionid meteor stream encountering Earth from overhead.

Early this week, watch for the Orionids

Charts and insights about this week’s Orionid meteor shower from astronomer Guy Ottewell.

Venus from now to next June

Northern and Southern Hemisphere views of Venus from October 2019 to June 2020, and some insights on the coming view of Venus in the evening sky.

An astronomer contemplates the equinox

You can think of the equinox not as a whole day, but as a point along Earth’s orbit. Want to understand that better? Guy Ottewell offers some insights.

Uranus, Neptune, Pluto: A longer view

Astronomer Guy Ottewell talks about his awesome book about some of our solar system’s most beloved outer worlds. As always, he provides the best charts anywhere!