Monday, August 4, 2025

Rocket Lab to launch private Japanese radar satellite

Happy Monday space fans! | Earth's spin makes Aug. 5 one of shortest days ever | See the moon shine alongside star Antares tonight
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August 4, 2025
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The Launchpad

It's a busy day in our newsroom as we prepare for one of the shortest days on record for August 5th. At just 1.25 milliseconds under the 86,400-second mark, it won't be noticeable, but it's part of a puzzling trend that's baffling scientists: Earth is spinning faster.

Other stories for today include a deep dive into space hurricanes, Rocket Lab launching a private Japanese radar satellite this evening and a look at the weird and wacky late 90's sci-fi series "Lexx." 

We have all that and more for your daily read. 

Thanks for exploring with us. 

Keep looking up, 
Kenna 

Content Manager, Space.com 
Earth's spin makes Aug. 5 one of shortest days ever
A strange shift in Earth's rotation is making our days milliseconds shorter -- and scientists are racing to understand why.
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See the moon shine alongside star Antares tonight
The red supergiant star Antares will appear close to the waxing gibbous moon tonight.
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Space quiz! What is a space hurricane made of?
Click here for answer!
VoteSunshine and rainbows
VoteClouds and rain
VoteA plasma of charged particles
VoteDust swirls
Space Deal of the Day
Free Amazon voucher with NordVPN deal
Get up to 76% off NordVPN and claim a free $50 Amazon Voucher!
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Spaceflight
Rocket Lab to launch private Japanese radar satellite
Liftoff of "The Harvest Goddess Thrives" mission is scheduled for tonight (Aug. 4) at 11:45 p.m. ET.
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Blue Origin launches billionaire Justin Sun & others
Jeff Bezos' Blue Origin launched a crypto billionaire and five other people to the final frontier on Sunday (Aug. 3).
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Science & Astronomy
Space hurricanes are real and wreak havoc
Space hurricanes can shake Earth's magnetic field and scramble satellites without a solar storm in sight.
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Spacecraft with solar sail could send earlier warnings
Space weather imposes threats on everything from electrical grids to GPS navigation.
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SpaceX
SpaceX launches 28 Starlink satellites from Florida
It was the 96th Falcon 9 launch of the year.
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Entertainment
'Lexx' appeal: A deeply underrated sci-fi classic
A band of misfits aboard a stolen planet-killing starship, the wild, weird Lexx is the best 90s sci-fi show you've never seen.
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Today in Space
On This Day: Aug. 4, 2007: Phoenix Mars Lander launches
It lifted off at about 5:30 a.m. ET from Cape Canaveral Air Force Station in Florida
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Image of day: Sunrise hits SpaceX's Crew-11 rocket
The day seemed particularly promising on July 31, 2025.
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Saturn Guides to Neptune, Pallas Peaks, and the Sturgeon Moon Rises

This week's night sky brings planetary pairings, asteroid hunting, and August's luminous full moon
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August 4, 2025
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Night Sky This Week
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What's Up This Week?
Hello Skywatchers!

We're diving into August with a lineup that blends subtle planetary challenges and bright lunar beauty. Saturn leads the way early in the week, not just as a showpiece, but as your guide to spotting distant Neptune through binoculars. On Thursday, asteroid Pallas reaches opposition near the Dolphin constellation, offering a rewarding telescope target. And by Saturday, the full Sturgeon Moon lights up the evening sky in Capricornus. Whether you're tracing planets or soaking up moonlight, this week has something celestial in store.

Here's what to watch for this week.

Clear skies,
Daisy
Reference Editor, Space.com

Monday, August 4 — Use Saturn to See Neptune (overnight)
(Starry Night)

Late Monday night, Saturn will shine low in the southeastern sky. Look just a finger's width to its upper left to spot faint, bluish Neptune through binoculars or a small telescope. The pair is gradually drifting apart, so catch them close while you can.

 
Full Story: Space (10/1) 
Thursday, August 7 — Pallas at Opposition (all night)
(Starry Night)

The asteroid Pallas reaches its closest and brightest for the year, shining near Zeta Delphini in the small constellation Delphinus. At magnitude 9.5, it's visible through backyard telescopes. Look east after dusk between the bright stars Deneb and Altair.

 
Full Story: Space (10/1) 
Saturday, August 9 — Full Sturgeon Moon (all night)
(Starry Night)

August's full moon peaks at 3:55 a.m. EDT (07:55 GMT), just before moonset. Watch it rise nearly full Friday evening and again Saturday night. Low on the summer ecliptic, it glows among the stars of Capricornus. Known as the Sturgeon Moon, it also goes by Wild Rice Moon, Blueberry Moon, and Flying Up Moon in various Indigenous traditions.

 
Full Story: Space (10/1) 
Moon Calendar
Space.com

The Sturgeon Moon rises full on Saturday, August 9, marking the last full moon of meteor season. Named for seasonal fishing patterns in North America, it also carries Indigenous names like Miine Giizis (Blueberry Moon) and Seskéha (Freshness Moon). It will appear especially low and golden on the horizon — perfect for moonrise photography or a quiet summer evening under its glow.

Want to explore more? Check out our ultimate guide to observing the moon for tips and tools to get the most out of each phase.

Full Story: Space (2/22) 
Space.com
Join us on a guided telescope tour of August's moon, featuring distinct targets for each of the four major lunar phases.
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The next lunar eclipse will be overnight on Sept. 7-8, 2025.
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The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.
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The Nikon Z8 was rated as our best overall camera for astrophotography, and is $600 off on Amazon, perfect for capturing the Lyrid meteor shower!
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Want to bring the cosmos closer? Save nearly 40% on these Celestron Skymaster 15x70 binoculars, but with Prime Day ending soon you'll have to be fast!
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