Search Results for: pettengill

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?

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.

Spica is your guide star to Omega Centauri

Omega Centauri is the largest and finest star cluster visible to the eye alone from the Northern Hemisphere. Binoculars or a telescope show even more. A dark sky is best!

Array and circular star trails.

Awesome nightscape photos from New Mexico’s Very Large Array

Observatories are great places to view and photograph the night sky. Tips from an astrophotographer’s trip to the Very Large Array in New Mexico – to help you plan your next astrophotography adventure – plus awesome photos.

Barren, rocky landscape with snow patches. Blue sky.

Astronomy ambassadors to Chile: ALMA radio telescope

Learn what it would be like to travel to Chile – sometimes called astronomy’s world capital – in this final report from Robert Pettengill with the Astronomy in Chile Educator Ambassador Program. Thank you for your dispatches, Rob!

Looking along a road toward a large telescope dome, with a second dome to the right.

Astronomy ambassadors in Chile: Cerro Pachón and Cerro Tololo

Robert Pettengill reports from the busy ACEAP (Astronomy in Chile Educator Ambassador Program) annual trip, happening now in Chile.

Radio dishes on a high plain in the Chilean Andes.

Astronomy educators to rendezvous in Chile

Members of the Astronomy in Chile Educator Ambassadors Program are heading to Chile for a tour of its great observatories, July 27 to August 5, 2019.

Mars closest to Earth on July 30-31

Closer than since 2003! Even closer now than when we passed between Mars and the sun last Friday. How that can happen, and the prospects for viewing Mars through a telescope now.

See it! Mars is very bright now

It’s the brightest Mars has been in our sky since since 2003. Photos from the EarthSky community here.

Moon, Mercury, Venus June 14 to 16

On June 14, 15 and 16, 2018, the young moon swings by 2 planets – brilliant Venus and fainter Mercury – in the west after sunset. How to spot ’em, here.

Eclipse photos from EarthSky friends

We received many more wonderful photos of the August 21 eclipse than for any prior event. We love them all, and wish we could post them all! 

Jupiter and its moons

The 4 largest moons of Jupiter – called the Galilean satellites – are Io, Europa, Ganymede and Callisto. Recent photos here.

A full moon, with a slight penumbral shadow shading one side.

See it! February 10-11 lunar eclipse

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!

Supermoon photos from around the world

EarthSky received many photos of the bright and beautiful supermoon. We loved them all and thank you all! See editors’ favorites here.

Moon passes Venus, October 2016

Nighttime’s 2 brightest objects, near each other! Photos from around the world, here.

Photos and video of Venus and Jupiter!

August 27, 2016 was the conjunction of Jupiter and Venus. Sky’s 2 brightest planets. Closest conjunction of any 2 planets in 2016.

This week’s old moon

A waning crescent moon – seen in the east before dawn – is called an old moon.

Omega Centauri, a ghost galaxy, from a ghost town

Under dark night skies near Big Bend National Park in South Texas, our galaxy’s largest globular star cluster.