Search Results for: jeff dai

Leo and Chinese guardian lions

An earthly lion guards the gates, while, in the sky, a celestial Lion – Leo – ascends. Astrophotographer Jeff Dai of China tells the story.

Moontrail over Beijing’s Forbidden City

Jeff Dai created this moontrail photo by keeping his camera still, rather than tracking along with the stars. He said it was about a 3-hour exposure.

Nova in Sagittarius

There’s a nova in the sky now. It’s faint and requires a dark sky to be seen, but photos pick it up more easily. Astrophotographer Jeff Dai captured it from Thailand.

Into the thin air

Photographer Jeff Dai captured this self-portrait atop a glacier – 17,000 feet (5,300 m) above sea level – in the Himalayas of Tibet.

Night skies over Tibet

High above sea level – and far from light pollution – Tibet offers one of the most breathtaking night skies in the world. A collection of photos by Jeff Dai.

Amazing photo of a meteor streaking right in front of Venus

EarthSky’s 2020 meteor shower guide

All you need to know about major meteor showers in 2020.

Hazy light pyramid in east? False dawn

If you’re in the Northern Hemisphere, you can see the zodiacal light, or false dawn, at this time of year. If you’re in the Southern Hemisphere, look for it after sunset.

Zodiacal light: All you need to know

The zodiacal light is an eerie light extending up from the horizon before true dawn begins. Southern Hemisphere? Look after sunset!

Are asteroids hiding among the Taurids?

And, more to the point, are any asteroids that might be hidden in the Taurid meteor stream potentially hazardous to Earth?

Watch for Taurid fireballs

North and South Taurid meteor showers happen simultaneously in late October and November. They’re relatively minor showers, but produce a high percentage of fireballs, or bright meteors.

Orion, from China’s Great Wall

The link between the constellation we know as Orion the Hunter and the Chinese New Year, celebrated throughout Southeast Asia and the world, and coming in 2017 on January 28.

Gravity waves over China

Gravity waves traveling upwards from the lower atmosphere caused this unusual banded structure in airglow above China in late November.

Can we see stars outside our Milky Way?

When we look up or down – away from the flat disk of the galaxy or toward it – we’re seeing Milky Way stars. But we also see a few more distant objects, visible to the eye alone.

Wow! Photos of moon, Venus and Saturn

Venus and Saturn were extra close on the sky’s dome this past weekend. Now the waxing moon has come back after sunset and is sweeping near them each evening.

Catching the elusive gegenschein

The gegenschein, or counterglow, is a faint brightening of the night sky in the region opposite the sun. It’s sunlight scattered by interplanetary dust.

Dueling lights

Milky Way vs. zodiacal light! Captured over beautiful Yamdrok Lake in Tibet.

Autumn’s false dawn

The coming weeks are great for catching the zodiacal light or false dawn from northerly latitudes? Southern Hemisphere? Look for the false dusk.

Cosmic flowers, Qinghai Lake, China

“Should there be the same scenery as seen from another place of the Milky Way?”

Orion and the Chinese New Year

“When the three stars of Orion shine highly at the southern sky after sunset, that means it’s time for the spring festival.”

Star trails over Forbidden City, Beijing

Below, the Forbidden City in Beijing, China, former home of the Chinese emperor and a center of Chinese government. Above, the Forbidden City’s sky counterpart.

See it! 2015 Gemind meteor shower photos

Thanks to all in the EarthSky community who posted! To submit your photo, click the Submit Images button at the top of any EarthSky page.

Taurid fireballs photos and videos

The Leonids were sparse this year, but 2015 has been an incredible year for the long-lasting shower Taurids. Photos and video here.

Lunar alpenglow and Orion

The beautiful constellation Orion, and all that surrounds it in the sky. Plus light from the setting moon on the sacred Chana Dorje peak in Tibet.

Best photos: Amazing moon and planets October 7-11

Best photos of the moon’s glorious sweep past the planets Venus, Jupiter, Mars and Mercury. Photos from EarthSky friends. October 7, 8, 9, 10 and 11.

Best seat in the world

The central bugle of our Milky Way galaxy shines brightly above the vast ocean of lights of Yaqing Temple in China.

Astronomers award 2020 Education Prize to Deborah Byrd

Byrd received the prize from the American Astronomical Society, the largest organization of U.S. astronomers. The prizes are given for outstanding achievements in scientific research, education, scholarly writing, and service to the astronomical community.

Pluto in natural color.

Today in 2015: New Horizons at Pluto

The small, fast-moving New Horizons spacecraft is likely to be the only Pluto mission in the lifetimes of many of us. It changed forever the way we on Earth perceive this outermost world and its moons.

Sky chart of moon and planets

Watch for moon, Jupiter, Lyrid meteors

That bright moon in the sky before sunup will drown most of the ongoing Lyrid meteor shower from view. But the moon offers its own delights, sweeping past Jupiter in the next few mornings.

Chart showing location of Lyrid meteor shower radiant point.

Find the Lyrid meteors’ radiant point

You don’t need to find the radiant to see the meteors. But it’s fun to spot, near the bright star Vega.

Lenticular clouds look like UFOs

Here are some glorious photos of rare lenticular clouds, sometimes called UFO clouds, plus a word about how they form.

Star chart showing 3 bright stars of Summer Triangle, with star Altair closest to Venus.

Summer Triangle, signpost for all seasons

The Summer Triangle’s 3 brilliant stars – Vega, Deneb and Altair – are up before dawn in March, before midnight in May and at dusk on the summer solstice. Right now, they’re in the east before sunup, near Venus!

View from space: Camp Fire burns through Paradise

Satellite image of the area around Paradise, California, on the morning of November 8 shows the Camp Fire when it was only 4 hours old, yet had already burned halfway through the city.

See 15 years of change in the Arctic

Mesmerizing new video, made from 15 years of satellite data, shows the waxing and waning of Arctic ice and snow as the seasons change.

5 discoveries we owe to twins

Years of twin research have led to incredible insights into how our genes and the environment affect our health.

Best places to watch 2017 eclipse

Looking for road maps showing the path of totality for the August 21, 2017 eclipse? Click here.

Global methane levels hitting new highs

Here’s why, after a 2000-era plateau, global levels of the greenhouse gas are hitting new highs.

October’s end, Virginia

“Nothing like some fall colors and the Milky Way to start off the weekend!”

Watch spacewalk live August 19

Two ISS astronauts will perform a spacewalk on Friday. NASA TV’s live coverage starts at 6:30 a.m. EDT (10:30 UTC) and lasts about eight hours.

Gorgeous Dry Tortugas night skies

The National Park Service normally doesn’t allow night photography at the Dry Tortugas, but made an exception for this project.

Man-made chemicals in deepest sea

Scientists have detected persistent man-made chemicals in crustaceans from the Mariana Trench and Kermadec Trench, deepest parts of the ocean ever sampled.

February 2016 soars past previous warmth record

February 2016 was the warmest February in 136 years of modern temperature records. Last month deviated more from normal than any month on record.

Bacteria from Sahara on Swiss glaciers

Bacteria living among dust particles from the African Sahara Desert have been found trapped in ice and snow high on the Swiss Alps.

View from space: Mississippi River flooding

Two satellite images show the contrast between the flooded Mississippi River this month and the same area last year. Check out the difference!

Pluto might have ice volcanoes

Two of Pluto’s mountains could be cryovolcanoes – ice volcanoes – that might have spewed an ammonia-ice slurry in the recent geological past.

No end in sight for western US wildfires

Satellite images capture the ongoing onslaught of wildfires in the U.S. West.

New Horizons spacecraft sweeps past Pluto

New Horizons is alive and well and beyond the Pluto system. On Wednesday, scientists began releasing close-up images of geology on this distant ice world.

Geomagnetic storm strikes. Awesome auroras!

Storms on the sun sent giant plasma clouds across space, which interacted with Earth’s magnetic field. See photos of this week’s fabulous displays of auroras.

Angara rocket key to Russia’s launch future

With development stalled many times over 20 years, successful Angara test flights have buoyed Russian hopes to compete in the space launch industry.

New atomic clock won’t gain or lose a second in 300 million years

The NIST has launched a new hyper-accurate atomic clock for the U.S. time standard called NIST-F2. The clock uses a ‘fountain’ of cesium atoms to determine the exact length of a second.

Alaska has been having a record-breaking heatwave

In Alaska, old records are being crushed as a heatwave has carried temperatures into the 80s and 90s. In one part of Alaska, an unofficial 98°F!