Guy Ottewell

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.

Chart showing Mercury and Mars in the west after sunset.

Now is the time to see Mercury

For Northern Hemisphere skywatchers, it’s the best evening apparition of Mercury in 2019. Now is the best time to look.

Chart showing the early morning sky in late January and early February 2019.

The moon at mid-arch from full to new

Astronomer Guy Ottewell shares insights and charts related to the current moon phase.

Past-and-future Earths ring in New Year

Astronomer Guy Ottewell has developed a novel way of picturing ourselves riding on Earth, orbiting the sun. See those past-and-future Earths as we look backward at the old year – and forward into the new – here.

A sense of balance, at the solstice point

At the December solstice, Earth arrives at the 4th of the year’s 4 cardinal points.