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The Perseids Are Peaking!
Perseid Meteor Shower 2020
Perseid Meteor Shower
peaks from August 11 to 13. The Perseids are considered the best meteor shower of the year—thanks to meteors streaking...
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The Moon Illusion: Why Does the Moon Look So Big Tonight?
Who hasn’t turned down a road to confront a low, horizon-hugging Moon that seems absolutely...
Full Moon for June 2020
The full Strawberry Moon rises on Friday, June 5, 2020! Find out why June’s full Moon is called the...
Penumbral Lunar Eclipse Friday: So What Is This, Anyway?
On Friday, June 5, the Moon will pass through the edge of Earth’s shadow, resulting in a “penumbral...
What Is a New Moon?
For astronomers, a new Moon means no Moon! For many cultures, however, the new Moon carries special...
Night Sky for May 2020
Here’s the May 2020 guide to the night sky! During this month, all 5 bright planets are visible—two...
What is Earthshine?
Ever noticed that you can sometimes see the part of the Moon that isn’t lit up? That’s earthshine...
Closest Black Hole to Earth Discovered
“Closest black hole” is the astro-news this past week. And let’s briefly explore it, just so you...
5 Ways to Protect Plants from Summer Heat
Extreme summer heat can be as exhausting for our plants as it is for us, but you can make life...
Full Moon for May 2020
May’s full Moon rises on Thursday, May 7! This full Moon will be the last of the three supermoons...
Night Sky Map for May 2020: Asterisms
Welcome to the Night Sky Map for May 2020! This month, learn about asterisms, which are unofficial...
How to Design a Moon Garden
A Moon garden can be enjoyed from dusk to dark—by the light of the Moon! We’ll show you how to plan...
Full Moon Names
Historically, Native American and other traditional names for full Moons were used to track the...
Venus At Brightest in Years in Late April
April 27, 2020 (EDT), or April 28, 2020 (UT), is officially the planet’s brightest evening in years...
As Comet ATLAS Fizzles, Comet SWAN Arrives
What’s the most spectacular sky object? A bright comet is certainly on my top-five list. A few...
Night Sky Map for April 2020: Minor Constellations
Welcome to the Night Sky Map for April 2020! This month, we focus on lesser-known constellations...
What on Earth is Epact?
Here’s a little something deliciously arcane for those who long for the “simplicity” of life before...
Full Moon for April 2020
April’s full Moon rises on the night of Tuesday, April 7. Traditionally called the Pink Moon, this...
Why The Harvest Moon Appears to Shine On—For Days!
Let’s set the record straight about the Harvest Moon . It’s not bigger than other full Moons. It’s...
What Day Is the Harvest Moon in October?
In 2020, October 1 brings the most famous Full Moon of the year—the Harvest Moon. It’s a great time...
Full Moon for November 2020
November’s Full Beaver Moon rises on November 30! Learn when to spot it in your area and the...
Full Moon for December 2020
December’s full Moon rises on December 29, 2020. The original Old Farmer’s Almanac will reveal...
When Is Easter 2020? | How the Easter Date is Determined
Easter 2020 will be observed on Sunday, April 12! Find out how the date of Easter is determined,...
What Is the Harvest Moon?
In 2020, the Harvest Moon rises on Thursday, October 1! But what is the Harvest Moon and why is it...
Full Moon for October 2020
October 2020 brings two full Moons: The Full Harvest Moon falls on the 1st of October and then the...
April "Pink" Supermoon: Brightest of 2020
This year, the nearest (and, thus biggest and brighest) supermoon of the year rises on April 7–8....
Night Sky for April 2020
Here’s the April 2020 guide to the night sky. See Bob Berman’s viewing tips to enjoy the night ...
What Is a Supermoon?
What is a supermoon? We agree that it’s a catchy word—and anything that encourages us to explore...
The Reason for the Seasons
What causes our four seasons—spring, summer, winter, fall? People puzzled over this for centuries...
First Day of Spring 2020: The Spring Equinox
In 2020, the spring equinox (also called the March equinox or vernal equinox) occurs on Thursday,...
Sunrise & Sunset Calculator
What time does the Sun set tonight? Use our Sunrise & Sunset Tool to find out when the Sun,...
Vernal Equinox Oddities
On the spring equinox, does the Sun rise due east and set due west? Are day and night equal? Bob...
Night Sky Map for March 2020: The Big Dipper
Welcome to the Night Sky Map for March 2020! This month, we focus on “pointers” in the sky to help...
Easter and the Paschal Full Moon
Did you know that the date of Easter—April 12 this year—is tied to the full Moon and the March...
Full Moon for March 2020
March’s full Worm Moon will be a supermoon! Here’s all you need to know about the full Worm Moon—...
Full Worm Moon: March
What is the Full Worm Moon? Why is it called the Worm Moon? Are are there worms on the Moon? (Just...
How to Find Sirius, the Dog Star
Who hasn’t heard of the Dog Star, Sirius? It’s the brightest star in the sky in late winter and...
Stargazing with Orion in March
During the month of March, the most widely recognized constellation at nightfall is Orion, standing...
Blue Moon in 2020: When Is the Next Blue Moon?
When is the next Blue Moon? And what is a Blue Moon, exactly? To prepare you for the Blue Moon on...
Night Sky for March 2020
Here’s the March 2020 guide to the night sky. Watch three bright planets and the crescent Moon come...
Signs of Spring From the Sky
What are signs of spring in the sky? Perhaps you’ve noticed the earlier sunrises. Let’s observe a...
Spring 2020: The Earliest Spring in Over 100 Years
The rumors are true. It’s the earliest spring of your life. Spring, marked by the vernal equinox,...
The Captivating Crescent Moon
The captivating crescent may be the Moon’s most fascinating phase. Why is the crescent Moon...