Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Posts by
Bruce McClure
Moon and Twins on September 15, 2017
Enjoy the moon and Gemini stars, Castor and Pollux, Friday and Saturday mornings. These 2 stars aren't really twins, but they're noticeably bright and close together on the sky's dome.
September 14, 2017
Farthest lunar perigee on September 13, 2017
The moon reaches perigee - its closest point to Earth - once each month. Today's perigee is the most distant one of 2017.
September 13, 2017
Will you see the moon hide Aldebaran?
If you see a bright star right next to the moon, that'll be Aldebaran. If you don't see it, it might be behind the moon! Meanwhile, we all can see the moon traveling in front of Aldebaran's constellation, Taurus the Bull.
September 10, 2017
Mercury, Regulus, Venus September 10, 2017
Elusive Mercury and star Regulus near each other before sunrise. They're below bright Venus, close to the sunrise point on the horizon. With each passing morning, both star and planet will get a little easier to see ...
September 9, 2017
Moon and Uranus in Pisces September 8, 2017
The waning gibbous moon and Uranus, 7th planet outward from the sun, float in front of the delicate constellation Pisces the Fishes on September 8.
September 8, 2017
Full Corn Moon on September 6
That's September 6 at 7:03 UTC. So the crest of the moon's full phase may have already passed, for you. Still, we all can enjoy this 3rd and final full moon of northern summer (southern winter) tonight.
September 6, 2017
Harvest Moon on September 5-6?
The moon turns full on September 6, 2017 at 7:03 UTC. For us in the Americas, our fullest moon comes on the night of September 5. Is it a Harvest Moon? Read on.
September 5, 2017
Pluto in moon’s direction September 1, 2017
On September 1, both the moon and dwarf planet Pluto lie in front of the constellation Sagittarius the Archer.
September 1, 2017
Closest far-moon of 2017 on August 30
Today's moon reaches its most distant point from Earth for the month. Astronomers call this point an "apogee" of the moon. This month's apogee is closer than any other in 2017.
August 30, 2017
Moon and star Antares on August 28
Tonight – August 28, 2017 – let the moon be your guide to the red star Antares. The humongous size of this red supergiant star is truly difficult to fathom!
August 28, 2017
