r/space 6d ago

Discussion All Space Questions thread for week of March 30, 2025

4 Upvotes

Please sort comments by 'new' to find questions that would otherwise be buried.

In this thread you can ask any space related question that you may have.

Two examples of potential questions could be; "How do rockets work?", or "How do the phases of the Moon work?"

If you see a space related question posted in another subreddit or in this subreddit, then please politely link them to this thread.

Ask away!


r/space 3h ago

image/gif My campsite under a giant aurora arc over Vestrahorn, Iceland

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1.3k Upvotes

r/space 15h ago

Astronomer here! This is the look of a slightly nervous professor before her very first lecture of her very first class

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32.2k Upvotes

First week of teaching (our astronomy class for physics majors). Went ok I think? Getting the pacing right is definitely the hardest part!


r/space 3h ago

Blaze Star that’s 3,000 lightyears away will soon explode — and you’ll get to see it from Earth: ‘Once-in-a-lifetime event’

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nypost.com
502 Upvotes

r/space 2h ago

image/gif Sun Unleashes A Coronal Mass Ejection - Captured With My Telescope

198 Upvotes

r/space 11h ago

image/gif The Center of the Milky Way Galaxy

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875 Upvotes

r/space 4h ago

image/gif How can I make it more accurate?

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132 Upvotes

I've made a black hole in blender (a 3D software). I wanna make this as scientifically accurate as possible so tell me what should I improve?

(I've made this watching Alaskan fx youtube channel's tutorial.)


r/space 55m ago

image/gif Ngc3718 and ngc3729

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Upvotes

Target: NGC3718 & NGC3729 Distance: 52 million light years & 65 million light years From Earth
Telescope: Celestron edgeHD8 Camera: ZWO ASI2600mm-pro at -14* Filters: Optolong 2" LRGB on ZWO EFW Mount: ZWO AM5 w/200 mm extension Tripod: William Optics 800 Mortar Tri-pier Tracking scope: Celestron OAG Tracking camera: ZWO ASI290mm mini Controlled: ZWO ASIAir Plus Frames: LRGB filters with Mono Camera L 35 x 5 min =2 hr 55 min R 25 x 5 min = 2 hrs 5 min G 25 x 5 min = 2 hrs 5 min B 25 x 5 min = 2 hrs 5 min Total: 9 hrs 10 min Calibration Frames: Darks, Flats and Bias


r/space 2h ago

image/gif A Thin Sliver of Venus

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46 Upvotes

r/space 10h ago

image/gif Markarian’s Chain - A whole bunch of galaxies in Virgo (OC)

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151 Upvotes

r/space 2h ago

image/gif Artemis II Mission Patch On VAB With The Moon

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28 Upvotes

Work 3rd shift last week at the LCC at KSC and caught the new mission patch on the VAB with the moon in the background!


r/space 15h ago

Discussion April Will Have 2 Meteor Showers Happening Simultaneously

228 Upvotes

r/space 11h ago

Massive collision created Mercury, new theory suggests

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earthsky.org
61 Upvotes

r/space 11m ago

I Made an Artistic Video About the Sun (Details in the Comments)

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youtu.be
Upvotes

r/space 1d ago

Soyuz 18A: The First Crewed Inflight Launch Abort - 50 years ago

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drewexmachina.com
87 Upvotes

r/space 1h ago

Dark Matter and the Multiverse: Could Hidden Universes Explain the Unseen Cosmos?

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opennewsport.blogspot.com
Upvotes

r/space 1d ago

SpaceX awarded $5.92 billion, ULA awarded $5.36 billion and Blue Origin awarded $2.38 billion in DoD launch contracts

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defense.gov
1.1k Upvotes

r/space 1d ago

Astronaut Jonny Kim & Cosmonauts Surgey Ryzhikov and Alexey Zubritsky set to go to the ISS this month on the Soyuz MS-27 mission

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nasa.gov
146 Upvotes

r/space 1d ago

Astronomers have discovered an extremely rare, high mass, compact binary star system ~150 light years away. These two stars are on a collision course to explode as a type 1a supernova, appearing 10 times brighter than the moon in the night sky

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1.7k Upvotes

Image credit: University of Warwick/Mark Garlick


r/space 1d ago

Exclusive: SpaceX, ULA to clinch multibillion-dollar Pentagon launch contract

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reuters.com
572 Upvotes

r/space 1d ago

4 space tourists splash down after traveling an orbit never attempted before

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cnn.com
621 Upvotes

r/space 2d ago

NASA's Mars Rover Captures a Giant Dust Devil Swallowing Its Friend

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gizmodo.com
952 Upvotes

r/space 2d ago

Vanguard 1 is the oldest satellite orbiting Earth. Scientists want to bring it home after 67 years

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space.com
719 Upvotes

r/space 2h ago

Blue Origin faces backlash ahead of historic all-female spaceflight with Katy Perry

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space.com
0 Upvotes

r/space 1d ago

Spinlaunch pivots to making Satellites

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arstechnica.com
92 Upvotes

r/space 1d ago

NASA Welcomes Gateway Lunar Space Station’s HALO Module to US

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nasa.gov
256 Upvotes

Pretty neat to see that there’s actual progress being made on lunar gateway, especially with all the setbacks and delays experienced thus far on Artemis.