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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.
October 15, 2019
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.
September 22, 2019
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!
July 14, 2019
The undark nights of summer
Guy Ottewell lives in England. His illustrations of 3-dimensional space are illuminating. Long summer twilights, explained.
June 14, 2019
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.
June 1, 2019
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.
May 6, 2019
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.
April 21, 2019
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.
March 9, 2019
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.
February 26, 2019
The moon at mid-arch from full to new
Astronomer Guy Ottewell shares insights and charts related to the current moon phase.
January 27, 2019
