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Bruce McClure

Half-lit quarter moon on January 24

The Earth and moon are like mirrors to each other in that – when we see a 1st quarter moon in our sky – those on the moon would see a last quarter Earth.

Orion Nebula is a place where new stars are being born

Everything you need to know about the Orion Nebula. How to find it in your sky tonight. Plus … the science of this star factory in space.

How to locate planet Uranus

Tonight’s waxing crescent moon shines close to Uranus. Learn how to locate the planet, using tonight’s moon location and these links to charts and other info.

Waxing toward the super Blue Moon

The moon is getting closer to Earth, day by day, this week. A word about measuring the moon’s changing distance from Earth, here.

Star-hop from Orion to Planet 9

Astronomers are searching for a hypothetical Planet 9 in the starry sky. You can use the constellation Orion to show you approximately where they’re looking.

Star-hop: Pegasus to Andromeda galaxy

The 4 stars of the Great Square of Pegasus are easy to find. Ready? Let’s star-hop!

Sirius, future South Pole Star

The sky’s brightest star, Sirius aka the Dog Star, will come to within 1.6 degrees of the south celestial pole in the year 66270.

Go young moon hunting

Given an unobstructed horizon in the direction of sunset, most of us around the world should spot a thin crescent moon not long after the sun goes down.

Will you see a young moon tonight?

The young moon will be tough to see low in your western twilight after sunset on January 17, 2018. But, especially if you’re in the Americas, you have a shot at it.

Lengths of lunar months in 2018

This new moon ends the longest lunar month of the 21st century and begins the longest lunar month of 2018.