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New ATLAS Comet

Last post by messier 111 « Sat Oct 05, 2024 8:44 pm
Replies: 4
by Graeme1858 » Tue Oct 01, 2024 8:08 am

First post

A BIG NEW SUNGRAZING COMET: Astronomers are monitoring a new sungrazing comet discovered just a few days ago by the ATLAS survey. It appears to be...

Last post

I hope she survives, thx Graeme .

4 Replies

201 Views

Last post by messier 111
Sat Oct 05, 2024 8:44 pm
Ceres is not so dry after all?

Last post by helicon « Sun Sep 29, 2024 3:19 pm
Replies: 3
by AntennaGuy » Sun Sep 29, 2024 12:13 am

First post

Is it time to start taking Ceres, uh, seriously ?
Asteroid Ceres is a former ocean world that slowly formed into a giant, murky icy orb...

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Seriously Ceres is serious about being an iceball? :icon-smile:

3 Replies

563 Views

Last post by helicon
Sun Sep 29, 2024 3:19 pm
C/2023 A3 (Tsuchinshan-ATLAS) at Perihelion Today

Last post by Graeme1858 « Fri Sep 27, 2024 7:03 pm

by Graeme1858 » Fri Sep 27, 2024 7:03 pm

As reported in the current MNSTW , C/2023 A3 (Tsuchinshan-ATLAS) is at Perihelion today.

COMET TSUCHINSHAN-ATLAS AT PERIHELION: Today, Comet...

0 Replies

298 Views

Last post by Graeme1858
Fri Sep 27, 2024 7:03 pm
Earth will capture 'second moon' this weekend

Last post by Mike Q « Fri Sep 27, 2024 10:32 am
Replies: 1
by Graeme1858 » Thu Sep 26, 2024 2:45 pm

First post

Looks like more of a flyby than a moon capture to me!

NASA scientists have calculated that Earth will capture a second moon on Sunday (Sept. 29)....

Last post

Looks like more of a flyby than a moon capture to me!

NASA scientists have calculated that Earth will capture a second moon on Sunday (Sept. 29)....

1 Replies

358 Views

Last post by Mike Q
Fri Sep 27, 2024 10:32 am
Earth's ring system

Last post by StarHugger « Mon Sep 23, 2024 6:11 pm
Replies: 2
by Graeme1858 » Mon Sep 23, 2024 9:50 am

First post

In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that Earth may have had a...

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Interesting, I also find it interesting that no moons in our system have any rings but alot of the planets do. Studies show the physics apply but at...

2 Replies

275 Views

Last post by StarHugger
Mon Sep 23, 2024 6:11 pm
JUICE Flyby Image

Last post by Graeme1858 « Sun Sep 22, 2024 9:08 am

by Graeme1858 » Sun Sep 22, 2024 9:08 am

This photograph of Earth and the Moon was taken by the JANUS camera onboard ESA’s Jupiter Icy Moons Explorer (Juice). It was taken on 9 September...

0 Replies

297 Views

Last post by Graeme1858
Sun Sep 22, 2024 9:08 am
Europa Clipper Lift Off 10th October

Last post by Graeme1858 « Sun Sep 22, 2024 8:52 am

by Graeme1858 » Sun Sep 22, 2024 8:52 am

This will be an interesting one:

Three weeks from now, NASA's Europa Clipper probe will lift off and embark on a long-awaited mission to study...

0 Replies

207 Views

Last post by Graeme1858
Sun Sep 22, 2024 8:52 am
Preparing for Comet C/2023 A3 (Tsuchinshan-ATLAS)

Last post by AstroBee « Sun Sep 22, 2024 1:41 am

by AstroBee » Sun Sep 22, 2024 1:41 am

0 Replies

292 Views

Last post by AstroBee
Sun Sep 22, 2024 1:41 am
New Celestial Bodies Found

Last post by Graeme1858 « Thu Sep 12, 2024 2:52 pm
Replies: 3
by AntennaGuy » Wed Sep 11, 2024 4:40 pm

First post

Headline: Astronomers Stunned by Unexpected Discovery of New Celestial Bodies in the Outer Solar System

Using the Subaru Telescope, astronomers...

Last post

Could it be one of these?

:lol:

3 Replies

282 Views

Last post by Graeme1858
Thu Sep 12, 2024 2:52 pm
Tsuchinshan-ATLAS is Intact.

Last post by OzEclipse « Wed Aug 28, 2024 11:35 pm
Replies: 8
by Graeme1858 » Tue Aug 27, 2024 8:14 pm

First post

From Spaceweather.com:

INCOMING 'DAYLIGHT COMET' IS STILL ALIVE: Comet Tsuchinshan-ATLAS, which could become visible in daylight this October, just...

Last post

A friend just posted this light curve on his Facebook Page. I have asked him to post the source.
LIGHT CURVE AUGUST 28.jpg

This is a light curve...

8 Replies

592 Views

Last post by OzEclipse
Wed Aug 28, 2024 11:35 pm
JUICE Mission

Last post by Mike Q « Sun Aug 25, 2024 1:28 pm
Replies: 7
by Graeme1858 » Fri Aug 23, 2024 10:05 am

First post

JUICE just squeezed past us on its way to Jupiter!

Last post

Thats a pretty solid image.

7 Replies

415 Views

Last post by Mike Q
Sun Aug 25, 2024 1:28 pm
Triangulating a meteor

Last post by Bigzmey « Thu Aug 15, 2024 6:49 pm
Replies: 2
by KathyNS » Thu Aug 15, 2024 1:36 pm

First post

When I capture an image of a bright meteor in my skycam, I always check to see if anyone else caught the same one. As a math nerd, I always thought...

Last post

Fun project Kathy.

2 Replies

463 Views

Last post by Bigzmey
Thu Aug 15, 2024 6:49 pm
What is a planet?

Last post by SparWeb « Mon Aug 05, 2024 3:59 am
Replies: 13
by Bigzmey » Wed Jun 19, 2024 9:01 pm

First post

Just to be clear this post is not about Pluto status per se but larger picture. Per IAU working definition of 2018

Objects with true masses below...

Last post

Step to the right direction

I don't think so. Look carefully at Margo's metric for dominance ... it is an empirical formula based on the solar...

13 Replies

1225 Views

Last post by SparWeb
Mon Aug 05, 2024 3:59 am
Life on Venus???

Last post by StarHugger « Fri Jul 26, 2024 9:50 pm
Replies: 7
by helicon » Sat Jul 20, 2024 11:37 pm

First post

Worth a read...

Last post

A few more relevent links...

7 Replies

785 Views

Last post by StarHugger
Fri Jul 26, 2024 9:50 pm
New definition of a Planet?

Last post by SparWeb « Mon Jul 22, 2024 1:28 am
Replies: 9
by Chich » Sat Jul 20, 2024 5:29 pm

First post

Found this during my morning trapline.

Last post

My solar system has room for all the planets that orbit the Sun.
If the IAU's announcement had been that Eris, Haumea, Makemake, Gonggong and Quaoar...

9 Replies

765 Views

Last post by SparWeb
Mon Jul 22, 2024 1:28 am
Water on top of Mars volcanoes

Last post by messier 111 « Sat Jun 15, 2024 1:00 am
Replies: 2
by AntennaGuy » Fri Jun 14, 2024 4:42 pm

First post

'At least 150,000 tons' of water frost discovered atop Mars' tallest volcanoes

Last post

thx for that link .

2 Replies

626 Views

Last post by messier 111
Sat Jun 15, 2024 1:00 am
Earth core rotation slowing

Last post by helicon « Fri Jun 14, 2024 11:36 am
Replies: 2
by AntennaGuy » Thu Jun 13, 2024 7:04 pm

First post

The Earth's core and I have something in common; we're both slowing down relative to outside events.
Study confirms the rotation of Earth's inner...

Last post

This is a significant development. Thanks for sharing the piece.

2 Replies

668 Views

Last post by helicon
Fri Jun 14, 2024 11:36 am
Water Frost on Mars' Equator

Last post by Graeme1858 « Mon Jun 10, 2024 6:18 pm

by Graeme1858 » Mon Jun 10, 2024 6:18 pm

Water frost has been spotted at the equator of Mars for the first time. In this region of the Red Planet, equivalent to its tropics, it was...

0 Replies

591 Views

Last post by Graeme1858
Mon Jun 10, 2024 6:18 pm
STARLINK-5744

Last post by Graeme1858 « Mon Jun 10, 2024 8:49 am

by Graeme1858 » Mon Jun 10, 2024 8:49 am

Did you ever put STARLINK-5744 into the Stellarium search box? What's going on there then? The thing is almost moving at light speed!!!

0 Replies

565 Views

Last post by Graeme1858
Mon Jun 10, 2024 8:49 am
SunRISE CubeSats Launch

Last post by Graeme1858 « Sun Jun 02, 2024 7:49 pm

by Graeme1858 » Sun Jun 02, 2024 7:49 pm

SunRISE is an array of six toaster-size CubeSats that will work together to study solar activity, observing low radio frequency emissions so...

0 Replies

601 Views

Last post by Graeme1858
Sun Jun 02, 2024 7:49 pm
Asteroid 'Dinky' Gave Birth to its own Moon

Last post by Graeme1858 « Fri May 31, 2024 8:05 pm

by Graeme1858 » Fri May 31, 2024 8:05 pm

Interesting asteroid formation theory:

0 Replies

532 Views

Last post by Graeme1858
Fri May 31, 2024 8:05 pm
Sunspot AR3664 is Back

Last post by Gfamily « Thu May 30, 2024 4:18 pm
Replies: 2
by Graeme1858 » Mon May 27, 2024 6:02 pm

First post

It's back. Almost. Sunspot AR3664, the source of the historic May 10th superstorm, has spent the past two week's transiting the farside of the sun....

Last post

For reference, it's now known as AR3697 I guess like Prince, it's the ARthat's formerly known as...

2 Replies

648 Views

Last post by Gfamily
Thu May 30, 2024 4:18 pm
NASA's Mars sample return plan is too expensive'

Last post by StarHugger « Sat May 18, 2024 4:31 pm
Replies: 6
by Graeme1858 » Tue Apr 16, 2024 12:09 pm

First post

NASA's Mars sample return plan is getting a major overhaul: 'The bottom line is $11 billion is too expensive'

Graeme

Last post

The sample return tech & funding was an afterthought me thinks,

Purposefully though, the samples are completely safe until the journey home is...

6 Replies

1148 Views

Last post by StarHugger
Sat May 18, 2024 4:31 pm
Ancient Ices

Last post by Lady Fraktor « Mon May 06, 2024 5:27 pm
Replies: 1
by Graeme1858 » Mon May 06, 2024 2:53 pm

First post

New “Space Snowman” Discovery Shakes Up Solar System Theories

Last post

Definitely a interesting and different idea.

1 Replies

720 Views

Last post by Lady Fraktor
Mon May 06, 2024 5:27 pm
More evidence for Planet Nine (or arguably, 10)

Last post by messier 111 « Tue Apr 30, 2024 10:56 pm
Replies: 1
by AntennaGuy » Tue Apr 30, 2024 12:11 am

First post

'Strongest Statistical Evidence Yet' For Planet Nine Has Been Found, Scientist Says'

Also refers to:
See also earlier discussion at TSS:

Last post

10

1 Replies

758 Views

Last post by messier 111
Tue Apr 30, 2024 10:56 pm

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