Tuesday, March 17, 2026

How fast is the universe expanding? | SpaceX's 10,000th Starlink satellites | Aurora alert this week!

How fast is the universe really expanding? | Space Quiz! What iconic Einstein theories inspire modern time travel sci-fi? | VPN deals to watch 'Foundation,' 'Monarch S2' and more
Created for znamenski.spacecom@blogger.com | Web Version
 
March 17, 2026
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The Launchpad
 
How fast is the universe really expanding?
How fast is the universe really expanding?
(ESO/ AIP/ D. Benisty / J. Fohlmeister)
Happy Tuesday, Space Fans! We've got some awesome space news for your daily read today, starting with the expansion of the universe. We may take it as a given, but IS the universe really expanding as fast as we think? See the latest science above.

And that's not all! NASA's Artemis 2 moon rocket has another (slight) delay, SpaceX hits a Starlink launch milestone and there's something rotten about a new exoplanet discovery. Read on to see it all!
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A slower universe?
 
Space Quiz! What iconic Einstein theories inspire modern time travel sci-fi?
Find the answer HERE!
VoteGame theories
VoteTheories of Connectivity
VoteGrand Unified Theory
VoteTheories of Relativity
 
 
 
 
 
Space deal of the day
 
VPN deals to watch 'Foundation,' 'Monarch S2' and more
VPN deals to watch 'Foundation,' 'Monarch S2' and more
(Future/NordVPN)
If you're trying to catch up on Foundation, Invasion or just prepping for season 5 of For All Mankind coming on March 27, you may be wondering how to get your sci-fi fix securely on the go. These VPN deals can transport you there, save you 74% and even land you a free $50 Amazon voucher as a bonus.
 
See the deal
 
 
 
 
Artemis 2: NASA's next moonshot
 
Artemis 2 moon rocket rollout on March 20
CAPE CANAVERAL, FLORIDA, UNITED STATES - FEBRUARY 25: NASAรขs Artemis II Space Launch System (SLS) rocket with the Orion spacecraft is rolled back from pad 39B to the Vehicle Assembly Building (VAB) at the Kennedy Space Center on February 25, 2026 in Cape Canaveral, Florida. The rocket, which will launch with a crew of four on a journey around the moon as early as April, was found to have a helium flow issue to the rocketรขs upper stage which will be repaired while in the VAB. (Photo by Paul Hennesy/Anadolu via Getty Images)
(Anadolu/Getty Images)
It looks like NASA's Artemis 2 megarocket will have to wait at least one more day to return to the launch pad, with the space agency now aiming for rollout in Florida on March 20. Here's what it may mean for the launch.
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When will it fly?
 
 
 
 
Skywatching
 
Aurora alert for US states this week!
TOPSHOT - Aurora Borealis, or Northern Lights, are pictured following a powerful sunstorm over Portsall, western France, on January 19, 2026. (Photo by Oscar Chuberre / AFP via Getty Images)
(Oscar Chuberre/Getty Images)
Aurora chasers, keep your eyes on the skies later this week as an incoming coronal mass ejection could spark favorable conditions for widespread northern lights displays. It could reach Earth by March 19, but will it shine?
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Where to look
 
 
 
 
Spaceflight
 
Blue Origin to protect Earth from asteroids?
Blue Origin to protect Earth from asteroids?
(Blue Origin)
Blue Origin hopes to land astronauts on the moon one day, but it also wants to protect Earth at the same time. This week, the company has teamed up with NASA on a new mission to seek out dangerous asteroids. Meet the Near Earth Objects Hunter...
 
Why asteroids?
 
 
 
 
Science & Astronomy
 
This new type of planet smells like rotten eggs
This new type of planet smells like rotten eggs
(Mark A. Garlick / markgarlick.com)
We've talked a lot at Space.com about alien planets: How hot are they? How big are they? Well, here's a new one: How SMELLY are they? Because this one - well, this one stinks. Here's why.
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Why so rotten?
 
 
 
 
SpaceX
 
SpaceX launches 10,000th active Starlink satellite
SpaceX launches 10,000th active Starlink satellite
(SpaceX)
We mentioned earlier that SpaceX hit a milestone with its Starlink missions this week. Well, you read that right. The company has launched its 10,000th active Starlink into orbit. And SpaceX is nowhere near done. Here's what happened.
 
So. Many. Satellites.
 
 
 
 
Entertainment
 
16 ways to time travel that sci-fi taught us
16 ways to time travel that sci-fi taught us
(20th Century Fox, Briarcliff Entertainment, BBC)
Let's be honest, we've all wanted to travel in time. But do we go by phone booth or DeLorean or weird energy ball of light? And can we keep our clothes? Here's what science fiction has taght us on how to time travel.
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Which one wins?
 
 
 
 
Star Wars
 
Behold the 'Star Wars: Maul – Shadow Lord' trailer
Behold the 'Star Wars: Maul – Shadow Lord' trailer
(Disney)
Here's some Star Wars news that will leave you Maul-ed. (I'm sorry, I couldn't help it). The folks at Lucasfilm and Disney+ have dropped a second full trailer for the new Dark Mail show and now we can't wait until Star Wars: Maul - Shadow Lord. Check it out.
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It's Maul-tastic
 
 
 
 
Today in Space
 
Space photo of the day: Satellite sees wall of dust hit Texas
Space photo of the day: Satellite sees wall of dust hit Texas
(NOAA/CIRA)
For our space photo fo the day, we're taking a look at a surprising "great wall" visible from space and it's not what you might expect. This satellite view shows a vast wall of dust slamming Texas. Here's what it means.
 
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On this day in 1958: Vanguard 1 satellite lifts off
On this day in 1958: Vanguard 1 satellite lifts off
(Naval Research Laboratory)
For our look back into space history, we're going back to 1958 for a novel rocke launch. On St. Patrick's Day that year, the U.S. Navy launched Vanguard 1, the first solar-powered satellite and the oldest artificial satellite currently orbiting Earth.
 
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Editor's Note
 
Have a great, Tuesday!
Hey, you made it to the end of today's newsletter! If you went back in time, you could do it again, but we know you're busy, so we'll just say thanks.

As a reminder, Space.com will have live coverage on on 3/18 of NASA's spacewalk outside the International Space Station and on 3/20 for the Artemis 2 moon rocket rollout. Check back to see those LIVE!

Keep looking up!

Tariq Malik
Editor-in-Chief, Space.com
 
 
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