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Holes in the edge of space

Last post by GCoyote « Mon Dec 04, 2023 4:58 am
Replies: 1
by Graeme1858 » Fri Dec 01, 2023 10:01 am

First post

SpaceX rockets are punching holes in the edge of space.

Graeme

Last post

Probably not much different from most other rockets. IIRC the solid rocket boosters on the space shuttle left a lot of soot and dust in their exhaust...

1 Replies

46 Views

Last post by GCoyote
Mon Dec 04, 2023 4:58 am
oversize planet orbits white dwarf.

Last post by OzEclipse « Mon Dec 04, 2023 2:37 am

by OzEclipse » Mon Dec 04, 2023 2:37 am

and the original paper in Science for those who have academic access to journals.
Joe

0 Replies

22 Views

Last post by OzEclipse
Mon Dec 04, 2023 2:37 am
EIRSAT-1, calling all HAMS to listen for first signal.

Last post by KingClinton « Sat Dec 02, 2023 8:35 am
Replies: 3
by KingClinton » Fri Dec 01, 2023 11:55 am

First post

I know there are plenty of members here that are also HAM radio operators.
This is a unique opportunity for you.
Good luck!

Quote from the article:...

Last post

The launch was a success!
I might have to dig out the SDR equipment and see if I will have another pass.

Here is a link to more on the cubesat.

3 Replies

61 Views

Last post by KingClinton
Sat Dec 02, 2023 8:35 am
Hubble Space Telescope is in safe mode

Last post by Graeme1858 « Fri Dec 01, 2023 9:25 pm

by Graeme1858 » Fri Dec 01, 2023 9:25 pm

One of Hubble's gyroscopes is providing faulty readings, but the telescope remains in good health otherwise.

Graeme

0 Replies

45 Views

Last post by Graeme1858
Fri Dec 01, 2023 9:25 pm
Solar Storm Today

Last post by Graeme1858 « Fri Dec 01, 2023 9:56 am

by Graeme1858 » Fri Dec 01, 2023 9:56 am

Massive solar storm to hit Earth today with danger of radio and internet blackouts

Graeme

0 Replies

35 Views

Last post by Graeme1858
Fri Dec 01, 2023 9:56 am
Rare six-planet system

Last post by smp « Thu Nov 30, 2023 5:49 pm
Replies: 2
by Graeme1858 » Thu Nov 30, 2023 9:38 am

First post

A rare star system with six exoplanets has been unlocked with the help of ESA’s Cheops mission. The discovery is particularly valuable because the...

Last post

From CNN:
CNN — Astronomers have used two different exoplanet-detecting satellites to solve a cosmic mystery and reveal a rare family of six planets...

2 Replies

48 Views

Last post by smp
Thu Nov 30, 2023 5:49 pm
The awakening of astronomy, this week in astronomy with Dave Eicher.

Last post by seigell « Tue Nov 28, 2023 5:34 pm
Replies: 1
by KingClinton » Tue Nov 28, 2023 11:07 am

First post

Some interesting astronomy history.
Learned something new again today.
Thanks to Dave and astronomy magazine for the article.

Last post

And, of course, they glorify the article with an obvious composite image of Orion that CANNOT be seen without Scope and Camera and Ha Filter. Yet...

1 Replies

74 Views

Last post by seigell
Tue Nov 28, 2023 5:34 pm
Seeing distant planets with the JWST

Last post by Ylem « Mon Nov 20, 2023 2:56 am
Replies: 1
by AntennaGuy » Thu Nov 16, 2023 4:54 pm

First post

More news from the JWST:
JWST detects water vapor, sulfur dioxide and sand clouds in the atmosphere of a nearby exoplanet

(as linked from
Note:...

Last post

Pretty fascinating stuff!

1 Replies

66 Views

Last post by Ylem
Mon Nov 20, 2023 2:56 am
Einstein must be wrong

Last post by SkyHiker « Fri Nov 17, 2023 12:02 am
Replies: 1
by OzEclipse » Thu Nov 16, 2023 10:31 pm

First post

Einstein must be wrong: How general relativity fails to explain the universe

By Valerio Faraoni, Andrea Giusti published 1 day ago

As new and...

Last post

I am not an enthusiast of that article.

It claims that Einstein discovered the Big Bang theory. This is not true, Friedmann and Lemaitre did that....

1 Replies

78 Views

Last post by SkyHiker
Fri Nov 17, 2023 12:02 am
"Daily Telescope" at Ars Technica

Last post by helicon « Thu Nov 16, 2023 5:36 pm
Replies: 1
by DEnc » Thu Nov 16, 2023 5:25 pm

First post

Not really news, but this new-to-me forum on the Ars Technica website has images that might provide ideas/inspiration for viewing/imaging targets.

Last post

Thank you. Looks really interesting.

1 Replies

62 Views

Last post by helicon
Thu Nov 16, 2023 5:36 pm
This day in history Nov 15th, 2023

Last post by messier 111 « Thu Nov 16, 2023 1:17 pm
Replies: 2
by Thefatkitty » Wed Nov 15, 2023 11:33 pm

First post

Hey all, hope things are good with you and yours :D

I feel like this is the first day I've had off in a bit. I've had something to get up for every...

Last post

Your invitation warms my heart, but I will be in Mexico to see it, thank you again my friend.

2 Replies

57 Views

Last post by messier 111
Thu Nov 16, 2023 1:17 pm
potential ISS related observing challenge -- tool bag

Last post by MrShorty « Thu Nov 16, 2023 2:47 am

by MrShorty » Thu Nov 16, 2023 2:47 am

I see a report from CNN referencing a report from EarthSky.org that, on a recent spacewalk, ISS astronauts lost a tool bag that is allegedly visible...

0 Replies

28 Views

Last post by MrShorty
Thu Nov 16, 2023 2:47 am
No need to "beware of the dwarf" after all

Last post by helicon « Tue Nov 14, 2023 12:09 pm
Replies: 3
by AntennaGuy » Mon Nov 13, 2023 6:10 pm

First post

'Rogue' star hurtling through the Milky Way won't smash into our solar system after all

So forget this warning: ( )

Last post

:lol: That was a close one! But now we have to wonder about the rogue star disturbing the Oort Cloud and possibly sending who knows how many comets...

3 Replies

79 Views

Last post by helicon
Tue Nov 14, 2023 12:09 pm
This day in history

Last post by Graeme1858 « Sun Nov 12, 2023 9:13 pm
Replies: 9
by Thefatkitty » Fri Nov 10, 2023 11:35 pm

First post

Hey all,

I haven't done one of these in quite some time. Home early, the cat is snoring up a storm (I need to record this; I can hear her two floors...

Last post

I greatly miss NFA for his daily astrophysics posts and enlightened discussion on a variety of topics, truly a man for all seasons. May he rest in...

9 Replies

205 Views

Last post by Graeme1858
Sun Nov 12, 2023 9:13 pm
Curiosity Rover's 4000th Day on Mars!

Last post by smp « Sun Nov 12, 2023 4:58 pm
Replies: 1
by Graeme1858 » Sun Nov 12, 2023 3:54 pm

First post

Curiosity Rover's 4000th Day on Mars!

That's quite a milestone!

Graeme

Last post

Wow. I remember a famous tag line:
It takes a licking and keeps on ticking.

Thanks for the post, Graeme.

smp

1 Replies

59 Views

Last post by smp
Sun Nov 12, 2023 4:58 pm
Betelgeuse the result of a "quiet" star merger?

Last post by Michael131313 « Sun Nov 12, 2023 2:42 am
Replies: 9
by StarBru » Thu Nov 09, 2023 6:44 pm

First post

I thought this was interesting.

Last post

Yes, that is pretty interesting. Can't wait to see the supernova. :observer:

9 Replies

149 Views

Last post by Michael131313
Sun Nov 12, 2023 2:42 am
What is "Steve" and why is it different to an aurora?

Last post by KathyNS « Tue Nov 07, 2023 9:16 pm
Replies: 9
by KingClinton » Tue Nov 07, 2023 7:11 am

First post

Hopefully some of you have already observed this phenomena with the auroras currently on display in much lower regions than usual.

Last post

Granted, but why Steve?

Although the attribution in the story was incorrect, the origin of the name was correct. It's from an animated film in...

9 Replies

136 Views

Last post by KathyNS
Tue Nov 07, 2023 9:16 pm
Ireland’s First Satellite

Last post by smp « Tue Nov 07, 2023 1:08 pm
Replies: 2
by Graeme1858 » Tue Nov 07, 2023 11:14 am

First post

Ireland’s first satellite on its way to launch.

After years of development with the support of the ESA Education programme, the Educational Irish...

Last post

Good luck to Ireland!

Also, belated congratulations to Slovakia!

smp

2 Replies

57 Views

Last post by smp
Tue Nov 07, 2023 1:08 pm
Webb telescope images "Sun-like" star in earliest stages of formation.

Last post by Ylem « Mon Nov 06, 2023 2:26 am
Replies: 5
by OzEclipse » Sun Nov 05, 2023 9:15 pm

First post

Imagine you could go back in time 4.6 billion years and take a picture of our Sun just as it was being born. What would it look like?

Well, you can...

Last post

That's a mind blowing image!

5 Replies

103 Views

Last post by Ylem
Mon Nov 06, 2023 2:26 am
Euclid first light

Last post by helicon « Fri Nov 03, 2023 2:16 pm
Replies: 3
by Graeme1858 » Tue Aug 01, 2023 6:12 am

First post

Capture.jpg

Last post

Wow pretty cool Graeme!

3 Replies

195 Views

Last post by helicon
Fri Nov 03, 2023 2:16 pm
Siena Galaxy Atlas "Updated" 400,000 Galaxies

Last post by kt4hx « Fri Oct 27, 2023 3:08 pm
Replies: 9
by KingClinton » Thu Oct 19, 2023 8:32 am

First post

Interesting new resource for the galaxy hunters among us.

Last post

I like to look at target photos to compare to what I saw visually. Telescopius.com works well for that purpose and you don't need to add extra 0 s :D...

9 Replies

266 Views

Last post by kt4hx
Fri Oct 27, 2023 3:08 pm
Professor Chris Lintott Lecture

Last post by Graeme1858 « Wed Oct 18, 2023 8:34 pm

by Graeme1858 » Wed Oct 18, 2023 8:34 pm

The Marvels of the Solar System

Our exploration of the Solar System has revealed a remarkable diversity of landscapes, from the frozen deserts of...

0 Replies

102 Views

Last post by Graeme1858
Wed Oct 18, 2023 8:34 pm
Gaia Data Release 4.

Last post by Graeme1858 « Tue Oct 17, 2023 11:56 pm
Replies: 5
by Graeme1858 » Tue Oct 17, 2023 3:19 pm

First post

New Gaia release reveals rare lenses, cluster cores and unforeseen science

Graeme

Last post

According to a link in that article, the full GAIA 4 catalog will not be released until near the end of 2025.

It will probably take that long to...

5 Replies

218 Views

Last post by Graeme1858
Tue Oct 17, 2023 11:56 pm
Burst from space, citizen scientists needed.

Last post by helicon « Tue Oct 17, 2023 3:40 pm
Replies: 2
by KingClinton » Tue Oct 17, 2023 4:50 am

First post

About Bursts From Space: MEERKAT
Using the MeerKAT radio telescope we are searching for dynamic and explosive events happening out in space. These...

Last post

Thanks for this. I'll check it out later.

2 Replies

132 Views

Last post by helicon
Tue Oct 17, 2023 3:40 pm
Chinese Space Telescope

Last post by Ylem « Thu Oct 05, 2023 4:43 pm
Replies: 3
by Graeme1858 » Wed Oct 04, 2023 1:33 pm

First post

China is readying a major project that not only augments the nation's astronomical research agenda but bolsters the use of the country's space...

Last post

Great news! Thanks for sharing.

3 Replies

164 Views

Last post by Ylem
Thu Oct 05, 2023 4:43 pm

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