Tag

Night Sky

All articles tagged with #night sky

science5 days ago

Jupiter and Its Moons Vanish Behind the Moon in Rare Pre-Dawn Occultation

On October 6, 2026, the waning crescent Moon passed in front of Jupiter and its four Galilean moons, creating a quintuple occultation visible across North America. The event occurred in the pre-dawn hours, with Jupiter disappearing behind the Moon's bright limb and reappearing from the dark limb. Observers in the eastern United States and Canada had the best views, while those in the western states saw only the reappearance. The event was highlighted for its rarity, occurring roughly once every 13 years for a given location, and was visible to the naked eye or with binoculars and telescopes.

Harvest Moon and Saturn Align for Weekend Sky Spectacle
science15 days ago

Harvest Moon and Saturn Align for Weekend Sky Spectacle

The September 2026 full moon, known as the Harvest Moon, reaches peak illumination on Saturday, September 26. This event coincides with a rare alignment where Saturn appears near the moon, offering a dual viewing opportunity for sky-gazers. The moon’s proximity to the autumnal equinox reinforces its traditional name, while Saturn will reach its best visibility on October 4.

Venus to blaze in the western twilight this Friday
space23 days ago

Venus to blaze in the western twilight this Friday

Venus will reach peak brightness on Friday (Sept. 18), shining at magnitude −4.8 and visible low in the western sky about 30–60 minutes after sunset; it can be seen with the naked eye, though a telescope or binoculars enhances the view. For best results, seek dark-sky locations away from light pollution and minimize screen use. No special eyewear is needed for this planetary display.

Epsilon Perseids Shine Under Dark New-Moon Skies Tonight
space1 month ago

Epsilon Perseids Shine Under Dark New-Moon Skies Tonight

The September Epsilon Perseid meteor shower peaks tonight (Sept. 9–10) as a near-new moon yields exceptionally dark skies, boosting visibility for shooting stars. The shower runs through Sept. 21, with the maximum around 11 p.m.–4 a.m. local time and up to about five meteors per hour, best seen from the northern hemisphere; binoculars or a small telescope can enhance the view.

New Zealand photographer scales 100m into glow-worm cave to shoot award-winning night-sky panorama
photography1 month ago

New Zealand photographer scales 100m into glow-worm cave to shoot award-winning night-sky panorama

New Zealand-based astrophotographer Tom Rae rappelled about 100 meters into a glow‑worm–lit cave to capture a long‑exposure, star‑tracked night‑sky panorama that won first place in the Capture the Dark 2026 contest's Creatures of the Night category; the shot was filmed, and Rae spoke of challenging humidity and cave lighting.

Europe’s fading night sky becomes a public-health issue
science1 month ago

Europe’s fading night sky becomes a public-health issue

A long-form piece argues that almost all of Europe now lives under light-polluted skies that erase real darkness, a change scientists are increasingly treating as a public-health issue because nighttime artificial light is linked to sleep disturbances and mental-health patterns. Citing a 2016 atlas showing 99% of people in the U.S. and Europe under skies too bright to see real darkness, plus research from the National Institute of Mental Health and others, the article contends that excessive lighting shifts physiology and mood. It blends personal experience—standing under a pristine sky in Bronchales—with scientific context to emphasize that darkness is a measurable environmental factor, not just an astronomy concern, and calls for urban lighting that preserves stars while maintaining safety and function.

Perseids Set to Illuminate the Night Sky Before Dawn Thursday
weather1 month ago

Perseids Set to Illuminate the Night Sky Before Dawn Thursday

The Perseid meteor shower peaks overnight into early Thursday morning, with the best viewing after midnight through dawn on Aug. 13 under a new moon that won’t wash out the sky. Observers in dark, rural areas could see up to 50 meteors per hour as debris from Comet Swift–Tuttle burns up in Earth’s atmosphere; the meteors radiate from the Perseus constellation and travel about 37 miles per second, often showing colored trails that reveal the meteors’ composition (red from nitrogen/oxygen, orange from sodium, yellow from iron, green from magnesium, blue from magnesium/calcium, and purple from calcium/nitrogen). If you miss the peak, glimpses may continue through Aug. 24.**

Space Mirrors May Light Up Nights, Prompting Eye-Safety Alarm
science1 month ago

Space Mirrors May Light Up Nights, Prompting Eye-Safety Alarm

A California startup, Reflect Orbital, won FCC approval to test Earendil-1, a prototype satellite that deploys a large reflector to bounce sunlight onto a designated area up to about 3 miles (5 km) across. While the project aims to demonstrate space-based lighting, experts warn the reflected light could damage eyes and disrupt astronomical viewing, prompting environmental groups to call for transparency and environmental review before any broader deployment.

Perseid Peak Lights Up the Night Sky Under a New Moon
science2 months ago

Perseid Peak Lights Up the Night Sky Under a New Moon

The Perseid meteor shower reaches its peak the night of Aug 12–13 in the early hours, offering potentially 100+ meteors per hour under a new Moon with no bright moonlight; observers should find a dark, wide view and allow 20–30 minutes for eyes to adapt. A shallow partial solar eclipse will also be visible in the UK in the early evening (not total there), so if you look at the Sun you must wear certified eye protection. Most of England and Wales are expected to have clear skies, though northern Scotland may see more cloud; always check the latest BBC Weather updates.

Ground observers reveal skyglow is accelerating beyond satellite estimates, dimming the night sky for a generation
science2 months ago

Ground observers reveal skyglow is accelerating beyond satellite estimates, dimming the night sky for a generation

A 2023 Science study analyzing 51,351 naked-eye reports from Globe at Night finds artificial night-brightening is increasing about 9.6% per year, faster than satellite records showed, which could reduce the number of visible stars for a growing portion of the world’s population (roughly 6.5%/yr in Europe and 10.4%/yr in North America). The mismatch arises because satellites measure radiance differently from how the human eye perceives star visibility, especially with blue-rich LEDs and light scattered by the atmosphere. The overall message is that light pollution is advancing quickly and solutions like shielding and smarter lighting could help retain the night sky for future generations.

Buck Moon 2026 signals a July-to-August eclipse season
space2 months ago

Buck Moon 2026 signals a July-to-August eclipse season

July’s Buck Moon reaches full on July 29, 2026—the second full moon of summer in the Northern Hemisphere—setting the stage for a busy eclipse stretch that includes a total solar eclipse on August 12 and a partial lunar eclipse on August 28. The moon peaks at 10:37 a.m. EDT and remains bright on surrounding nights, with viewing best around southeast moonrise in North America. Named for deer antlers, it’s also called Thunder Moon and Hay Moon, and is among the year’s lowest-hanging full moons in the region. The next full moon, the Sturgeon Moon, rises August 27 and will be partially eclipsed as Earth’s shadow passes over it. Viewing can be done with the naked eye or a telescope, and sky-watchers can expect a continued eclipse season into August.

Private satellites could form a sky-spanning 'Saturn ring,' astronomers warn
space2 months ago

Private satellites could form a sky-spanning 'Saturn ring,' astronomers warn

Astronomers warn that mega-constellations planned by private companies—potentially more than a million data-center satellites—plus Reflect Orbital’s mirrors could form a bright, Saturn‑like ring around Earth, crossing the sky twice daily and outshining stars for hours after sunset. If realized, this artificial ring could severely hamper ground- and space-based astronomy, telescope time, and near‑Earth object searches. The FCC has granted a license for Reflect Orbital, drawing criticism from the AAS and researchers who caution that the work isn’t yet peer‑reviewed and that regulatory oversight may be inadequate as deployment plans accelerate.

A 1776 Independence Day Sky: Saturn in Virgo, a Lunar Eclipse, and a Different Pole Star
space3 months ago

A 1776 Independence Day Sky: Saturn in Virgo, a Lunar Eclipse, and a Different Pole Star

On July 4–5, 1776, observers in the American colonies would have seen a sky not far from today’s: Saturn in Virgo setting after sunset, with Mercury, Jupiter and Mars visible low in the east-northeast before sunrise, while Venus remained hidden near the Sun. Almanacs guided navigation and timekeeping, and a rare total lunar eclipse on July 30 would unfold largely before moonrise in eastern cities, lasting about 1 hour 35 minutes. Polaris was about 1.88 degrees from the celestial pole then (not as close as now), Arcturus showed only a tiny proper-motion drift, and Philadelphia’s weather was mild and mostly clear on July 4, with clouds moving in later. In short, the night sky was broadly familiar but with subtle historical differences shaped by Earth's wobble and the era’s observational tools.