menu
close
subscribe donate

Search Results for: penumbral

What’s a penumbral eclipse of the moon?

Posted by in Astronomy Essentials | 8 months ago
Posted by

Even as a penumbral eclipse is happening in your sky, you might not notice anything different about the moon. On the other hand, very observant people can detect a dark shading on the moon’s face during a penumbral eclipse.
Starwberry Moon near the aupergiant red star Antares.

Strawberry Moon, penumbral lunar eclipse, on June 5

Posted by in Tonight | 9 months ago
Posted by

The moon will look full on June 4 and 5, 2020. We in the Northern Hemisphere will call it the Strawberry Moon. It’ll shine near the star Antares. It’ll undergo a very faint penumbral lunar eclipse.
A full moon, with a slight penumbral shadow shading one side.

Penumbral eclipse of the moon on January 10

Posted by in Sky Archive | Tonight | 1 year ago
Posted by

Enjoy the first full moon of the year on January 10, 2020, This full moon will undergo a penumbral lunar eclipse. At mid-eclipse, you will find a slight shading – Earth’s penumbral shadow – on one side of the moon.

2016 Harvest Moon penumbral eclipse

Posted by and in Sky Archive | Tonight | 4 years ago
Posted by and

There will be a subtle penumbral lunar eclipse of the 2016 Harvest Moon, visible from half of Earth, unfortunately not North America. Details here.

See it! Wednesday’s penumbral lunar eclipse

Posted by in Today's Image | 5 years ago
Posted by

Photos of March 23, 2016 penumbral eclipse of the moon. Moon never entered Earth’s dark umbral shadow, but, if you look, you’ll see a shading on one side of the moon.

See the penumbral eclipse of the Hunter’s Moon on October 18-19

Posted by in Human World | Space | 7 years ago
Posted by

You’re more likely to see the eclipse from Europe or Africa than from North America. As seen from eastern North America, the eclipse will be ongoing at moonrise Friday evening.

Photos from friends: Penumbral eclipse of moon November 28, 2012

Posted by in Human World | Space | 8 years ago
Posted by

Check out the subtle beauty of a penumbral eclipse, in these photos from EarthSky Facebook friends.

EarthSky 22: Snowball Earth and the penumbral eclipse

Posted by in Earth | 8 years ago
Posted by

Hear about the Snowball Earth theory, the upcoming penumbral eclipse, and of course, hear great music, like the Heartless Bastards’ “Gotta Have Rock n Roll” – on this week’s EarthSky 22!
November full moon south of Pleiades cluster and north of the star Aldebaran.

Photos of last night’s eclipse, plus tonight’s moon near Aldebaran

Posted by in Tonight | 3 months ago
Posted by

Full moon was last night, November 29-30, 2020. There was a faint penumbral eclipse of the moon. Tonight’s moon is still near the bright red star Aldebaran in the constellation Taurus. Eclipse photos here.

Why not an eclipse at every full and new moon?

Posted by in Astronomy Essentials | 3 months ago
Posted by

If the Earth and moon orbited on the same plane around the sun, we’d have a total solar eclipse – and a total lunar eclipse – every month. As it is, in 2020, there are 6 eclipses: 2 solar and 4 lunar.

A totally eclipsed sun with a bright light emerging on one side: the diamond ring effect.

What is an eclipse season?

Posted by in Astronomy Essentials | 3 months ago
Posted by

There are many cycles in the heavens. An eclipse season describes one of the most interesting. When we’re in the midst of one, as we are now, an eclipse is inevitable.

See Earth’s shadow after sunset

Posted by in Tonight | 3 months ago
Posted by

These next few days – November 27 and 28, 2020 – look for Earth’s shadow and the Belt of Venus below the bright waxing gibbous moon.

Fist-Shaking Moon on August 2 and 3

Posted by in Tonight | 7 months ago
Posted by

On August 2 and 3, 2020, everyone around the world (except far-northern Arctic latitudes) will see a full-looking moon from dusk until dawn.
It seems possible to detect a subtle shading on the moon in this photo taken midway through a partial penumbral eclipse, but, if so, it's very very subtle.

Eclipse? What eclipse?

Posted by in Human World | Today's Image | 8 months ago
Posted by

Even experienced observers say they couldn’t discern the Earth’s shadow on the moon during the partial penumbral eclipse of July 4-5, 2020.
July full moon swings by the planets Jupiter and Saturn.

Full moon, faint eclipse, on July 4-5

Posted by in Tonight | 8 months ago
Posted by

The penumbral lunar eclipse of July 4-5, 2020 will be so nearly imperceptible that some will see nothing even while staring at it. Then again … very observant people will notice something strange happening on the moon, without knowing an eclipse is taking place. Who will see it (or not) in this post.
Annular solar eclipse

Annular solar eclipse on June 21, 2020

Posted by in Astronomy Essentials | 9 months ago
Posted by

On the heels of the June solstice, the new moon will sweep directly in front of the sun on Sunday, June 21, 2020, to stage an annular – ring of fire – solar eclipse for the world’s Eastern Hemisphere.

June 20 marks the middle of an eclipse season

Posted by in Astronomy Essentials | 9 months ago
Posted by

When the lunar nodes pointed directly at the sun on June 20, 2020, the event marked the middle of the eclipse season. Shortly thereafter, an annular eclipse of the sun took place on June 21, 2020.

Moon, Jupiter and Saturn at late evening in June 2020.

Jupiter, Saturn, moon on June 6-8, plus a word about the daytime moon

Posted by in Tonight | 9 months ago
Posted by

If you stay up late on the nights of June 6, 7 and 8, 2020, you can glimpse the moon with the bright planets Jupiter and Saturn, ascending in the east. Or see them before daybreak.

How often are there 3 eclipses in a month?

Posted by in Astronomy Essentials | Space | 9 months ago
Posted by

Beginning on June 5, we’ll have 3 eclipses in one lunar month. It’ll be the last time this happens until the year 2029. From 2000-2050, there are 3 eclipses in one lunar month 14 times. Meanwhile, in a calendar month, 3 eclipses are rare.

Year’s biggest and brightest supermoon on April 7-8

Posted by in Tonight | 11 months ago
Posted by

Watch for the biggest supermoon of the year to shine all night long. It lights up the eastern sky at dusk/nightfall April 7, climbs highest up for the night around midnight and sets in the west around sunrise April 8.
Mountain against blue sky with a pink stripe

What is Earth’s shadow, and when can you see it?

Posted by in Earth | Space | 1 year ago
Posted by

Like all worlds orbiting suns, our planet Earth casts a shadow. Here are some times to look for it.
Daytime moon.

See a daytime moon after sunrise

Posted by in Sky Archive | Tonight | 1 year ago
Posted by

Look west after sunrise for the daytime moon. You’ll find it in a blue sky. Watch for the moon in the next few mornings. It’ll be higher in the west after each successive sunrise.

Middle of eclipse season December 30

Posted by in Astronomy Essentials | 1 year ago
Posted by

The annular solar eclipse on December 26, 2019, happened some 4 days before the middle of the eclipse season, which came to pass on December 30, 2019.

10 amazing places for year-round stargazing

Posted by in Astronomy Essentials | 1 year ago
Posted by

The stars are accessible to everyone, but where can you get the most from the night sky? Here are 10 great dark-sky places – mostly in the U.S. but also in Australia, New Zealand and Chile – for skywatching and stargazing.

Partial lunar eclipse on July 16-17

Posted by in Sky Archive | Tonight | 2 years ago
Posted by

Unfortunately, North America misses out on this eclipse entirely. It’s visible from South America at early evening July 16 – from Europe and Africa, later in the evening July 16 – and in Asia and Australia before sunup July 17.

South American solar eclipse on July 2

Posted by in Sky Archive | Tonight | 2 years ago
Posted by

A total eclipse of the sun is coming to the South American countries of Chile and Argentina in the late afternoon hours on July 2, 2019.

Crescent moon in Gemini on May 9

Posted by in Sky Archive | Tonight | 2 years ago
Posted by

Tonight – May 9, 2019 – let the waxing crescent moon introduce you to the constellation Gemini the Twins, the constellation that’ll host the solar eclipse of July 2, 2019.

How to watch a total eclipse of the moon

Posted by in Astronomy Essentials | Space | 2 years ago
Posted by

Are you planning on watching the January 20-21 total eclipse of the moon? Here are some tips.

The total lunar eclipse of January 20-21

Posted by in Tonight | 2 years ago
Posted by

It’s a supermoon eclipse, and many are calling it a Blood Moon eclipse. The January 20-21, 2019, total eclipse of the moon will be viewed from North and South America, Greenland, Iceland, Europe, northern and western Africa plus the Arctic regions of the globe.

Partial solar eclipse January 5-6, 2019

Posted by in Tonight | 2 years ago
Posted by

The new moon falling on January 6, 2019 at 1:28 UTC will pass between the Earth and sun, to stage a partial eclipse of the sun, visible from Asia.

Dates of solar and lunar eclipses in 2019

Posted by in Astronomy Essentials | 2 years ago
Posted by

Dates of all solar and lunar eclipses this year. Is there one you can see?

Partial solar eclipse on August 11

Posted by in Sky Archive | Tonight | 3 years ago
Posted by

The August 11, 2018 partial solar eclipse happens will be seen in the Arctic, far-northeastern Canada, Greenland, Iceland, Scandinavia, and much of Asia (north and east).

Middle of an eclipse season on July 28

Posted by in Sky Archive | Tonight | 3 years ago
Posted by

An eclipse season lasts a little over one lunar month and typically includes 1 solar and 1 lunar eclipse. In 1 out of 7 eclipse seasons, the 1st eclipse comes early. Then we can have 3 eclipses. Watch for a 3rd eclipse in this eclipse season, in August!

The July 27 total eclipse of the moon

Posted by in Astronomy Essentials | 3 years ago
Posted by

More details and more charts, from Guy Ottewell.

Century’s longest lunar eclipse July 27

Posted by in Sky Archive | Tonight | 3 years ago
Posted by

It’ll be the longest total lunar eclipse of this century, with Mars – at its brightest – nearby. Red moon, red Mars. It doesn’t get any better than this.

Partial solar eclipse on February 15

Posted by in Sky Archive | Tonight | 3 years ago
Posted by

The new moon will take a bite out of the solar disk to stage a partial eclipse of the sun on February 15, 2018.

Super Blue Moon eclipse on January 31

Posted by in Sky Archive | Tonight | 3 years ago
Posted by

The super Blue Moon happens before sunrise on January 31, 2018, for North America and Hawaii. It happens after sunset on January 31 for the Middle East, Asia, Indonesia, Australia and New Zealand. Details here.

Top 7 EarthSky galleries of 2017

Posted by in Earth | Human World | 3 years ago
Posted by

EarthSky sends out a year’s worth of thank yous to our friends from around the world who shared images with us throughout the year. Please keep sharing in 2018!

Space station transits sun during eclipse

Posted by in Human World | Space | 4 years ago
Posted by

There was only one part of Earth where you could catch the International Space Station crossing the sun’s face during the August 21 solar eclipse. These guys saw it, and created this video.

How ISS astronauts saw the eclipse

Posted by in Human World | Space | 4 years ago
Posted by

The International Space Station passed 3 times on Monday through the moon’s penumbral shadow. Images of the moon’s shadow on Earth, seen from space, acquired by ISS astronauts.

See it! Full moon and partial eclipse

Posted by in Human World | Today's Image | 4 years ago
Posted by

We in the Americas missed the partial lunar eclipse. Or maybe you were clouded out … or slept through it? See it after all, in these awesome photos from EarthSky friends from around the world.

Total eclipse of sun: August 21, 2017

Posted by in Astronomy Essentials | Space | 4 years ago
Posted by

All you need to know about the 1st total solar eclipse visible from the contiguous U.S. since 1979, from eclipse master Fred Espenak.

Moon shadow path in 2017 solar eclipse

Posted by in Human World | Space | 4 years ago
Posted by

Fly along with the moon’s shadow in this NASA video depicting the path of the August 21, 2017 total eclipse of the sun.

Round object crosses the moon

Posted by in Human World | Space | 4 years ago
Posted by

During Friday’s penumbral eclipse of the moon, an observer in Puerto Rico captured images of a black disk moving across the moon’s face.

Green Comet 45P: Photos and video

Posted by in Astronomy Essentials | Space | 4 years ago
Posted by

Green Comet 45P has been in our sky for months and passed closest on February 11, 2017. It’s a faint one, but intrepid astronomers have captured some wonderful images!
A full moon, with a slight penumbral shadow shading one side.

See it! February 10-11 lunar eclipse

Posted by in Astronomy Essentials | Today's Image | 4 years ago
Posted by

A penumbral eclipse is subtle, but has a quiet beauty all its own. Thank you to all who submitted photos of the February 10-11, 2017 eclipse!

Full braking at Alpha Centauri

Posted by in Human World | Space | 4 years ago
Posted by

Space visionaries might have figured out a way to travel within decades to the nearest star system, Alpha Centauri. But, once we get there, how do we slow down?

How many eclipses in 1 calendar year?

Posted by in Astronomy Essentials | 4 years ago
Posted by

Every calendar year has at least 4, but 5, 6 or even 7 eclipses are also possible. Why don’t we see them all?

Thursday night’s rising moon

Posted by in Today's Image | 4 years ago
Posted by

Thursday’s moonrise as viewed from Colorado. On Friday evening, the Americas will see an eclipse at moonrise. Eastern America will have a better view of the eclipse than western America.

Subtle lunar eclipse on February 10-11

Posted by in Sky Archive | Tonight | 4 years ago
Posted by

The Americas and Greenland see the penumbral lunar eclipse Friday evening. Europe, Africa, and Asia see it Saturday morning.