Salt glaciers on Mercury suggest conditions friendly to life — but not life itself — might once have existed on the innermost planet.
Space News & Blog Articles
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Aerojet Rocketdyne, ULA mark 60th anniversary of RL10 rocket engine
A Dual Engine Centaur upper stage for Atlas V nears completion at the factory in Decatur, Alabama. The RL10 engine marked 60 years of flight on Nov. 27, 2023. Image: United Launch Alliance
A rocket engine with a long pedigree marked a big milestone on Monday. It’s 60 years since the hydrogen-fueled RL10 engine debuted onboard a Centaur upper stage launched from Cape Canaveral on Nov. 27, 1963.
SpaceX Falcon 9 rocket launches 23 Starlink satellites from Cape Canaveral
A Falcon 9 heads on a south-easterly trajectory from Cape Canaveral on Nov. 28, 2023, carrying a batch of Starlink satellites into orbit. Image: Pete Carstens.
The next batch of Starlink satellites for SpaceX’s space-based internet service soared into orbit aboard a Falcon 9 rocket Monday night from Cape Canaveral Space Force Station.
Amateur Astronomers Discover an Asteroid’s Moon
The small object orbiting around main-belt asteroid 5457 Queen’s is the second confirmed asteroid moon discovered during a stellar occultation.
JWST Reveals Protoplanetary Disks in a Nearby Star Cluster
The Orion Nebula is a favourite among stargazers, certainly one of mine. It’s a giant stellar nebula out of which, hot young stars are forming. Telescopically to the eye it appears as a grey/green haze of wonderment but cameras reveal the true glory of these star forming regions. The Sun was once part of such an object and astronomers have been probing their secrets for decades. Now, a new paper presents the results from a detailed study from the James Webb Space Telescope (JWST) that has been exploring planet forming disks around stars in the Lobster Nebula.
Apollo Samples Contain Hydrogen Hurled from the Sun
According to the U.S. National Academies of Sciences, Engineering, and Medicine, men should drink 3.7litres of water a day and women 2.7litres. Now imagine a crew of three heading to the Moon for a 3 week trip, that’s something of the order of 189 litres of water, that’s about 189 kilograms! Assuming you have to carry all the water rather than recycle some of it longer trips into space with more people are going to be logistically challenging for water carriage alone. Researchers from the U.S. Naval Research Laboratory (NRL) have discovered lunar rocks with hydrogen in them which, when combined with lunar oxygen provide a possibly supply for future explorers.
Next Generation Space Telescopes Could Use Deformable Mirrors to Image Earth-Sized Worlds
Observing distant objects is no easy task, thanks to our planet’s thick and fluffy atmosphere. As light passes through the upper reaches of our atmosphere, it is refracted and distorted, making it much harder to discern objects at cosmological distances (billions of light years away) and small objects in adjacent star systems like exoplanets. For astronomers, there are only two ways to overcome this problem: send telescopes to space or equip telescopes with mirrors that can adjust to compensate for atmospheric distortion.
The Early Universe Had No Problem Making Barred Spiral Galaxies
Spiral galaxies like the Milky Way are like cosmic snowflakes—no two are exactly alike. For many years, astronomers thought spirals couldn’t exist until the universe was about half its present age. Now, a newly discovered galaxy in the early Universe is challenging that idea.
Save 35% on the Celestron SkyMaster 25x70 Binocular this Cyber Monday
Grab yourself a Cyber Monday saving of $45 on this great beginner astronomy binocular from Celestron.
Save over $120 on the Celestron NexStar 130 SLT telescope this Cyber Monday
There's a 19% Cyber Monday saving to be had on this Celestron NexStar computerized telescope, a fantastic instrument for beginners and enthusiasts alike.
Bag $20 off the Sega Toys Homestar Flux for Cyber Monday
The Sega Toys Homestar Flux tops our best star projectors buying guide, and you can now save $20 in this Cyber Monday star projector deal at Amazon.
This huge Cyber Monday deal can net you an excellent drone for almost half price
The Ruko R11PRO is an amazing drone, and you can save over $200 at Amazon.
Save $120 on the excellent Celestron AstroMaster 114EQ telescope this Cyber Monday
There's a 38% Cyber Monday saving to be had on this fantastic starter telescope from Celestron.
Cyber Monday telescope deal: 33% off Celestron AstroMaster 70AZ
Save over $60 on the Celestron AstroMaster 70AZ in this Cyber Monday deal at Amazon — one of the best budget telescopes and ideal for beginners and children.
Early Cyber Monday star projector deal: 50% off Encalife's Atmosphere Smart Galaxy
Save 50% on the Encalife Atmosphere Smart Galaxy star projector ahead of Cyber Monday, but act soon as the deal ends in under 24 hours.
Huge 47% off this Cyber Monday home planetarium deal
One of the best star projectors, the Pococo galaxy is now 47% off, equalling its best ever price for Cyber Monday.
Save $190 on the Sigma 14-24mm F2.8 DG DN Sony E Mount lens this Cyber Monday
This fantastic lens for Sony full-frame users is a great buy this Cyber Monday with a 17% saving.
Hulu for 99 cents: This Cyber Monday streaming deal IS the deal you've been looking for
Binge awesome sci-fi with this Cyber Monday streaming deal on Hulu. Slash the normal $7.99 base price for the streaming service by 87% — hurry though, the offer ends Nov. 28!
Cyber Monday deal: Cheapest-ever price! $900 discount on Canon EOS R5
This Cyber Monday camera deal is a steal! $900 off the Canon EOS R5
See the moon meet up with the Seven Sisters of the Pleiades tonight
The moon will meet up with the Seven Sisters on Sunday, Nov. 26, during a close approach to this fascinating open star cluster, also known as the Pleiades.
Get a LEGO Star Wars Jedi Starfighter for under $25 ahead of Cyber Monday
Take Obi-Wan for a spin with this LEGO Jedi Starfighter deal at Walmart.
