Guy Ottewell
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!

The undark nights of summer

Guy Ottewell lives in England. His illustrations of 3-dimensional space are illuminating. Long summer twilights, explained.

Sky chart showing Mars, Mercury and various stars and constellations in the west after sunset on June 1, 2019, with the addition of dozens of points representing SpaceX satellites.

How bright will the Starlink satellites be?

Will Elon Musk’s plan to launch 12,000 Starlink satellites – aimed at bringing internet access to the world – interfere with astronomy? Astronomer Guy Ottewell ponders this question.

Star chart, showing Milky Way around Orion region.

Beetles steer by the Milky Way

When dung beetles grab a prized bit of food, they hurry off in a straight line. To be able to do this, they have to be able to see the stars.

A basket full of colored Easter eggs.

Why is Easter so late this year?

Easter is this Sunday. Astronomer Guy Ottewell explains why it’s a late Easter, but not the latest it can be.

Lurch forward an hour

“A squeal of distress will go flying across America … It’s all those clocks, being twisted an hour forward, away from the natural time they were born to show.” Insights on time from astronomer Guy Ottewell, here.