Posts by 

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.

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.

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.

Why is Easter so late in 2019?

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.

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.

The moon at mid-arch from full to new

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