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Helio replied to the thread Some dark matter haloes could roll through the universe like hollow cosmic Easter Eggs.But are starless "haloes" of DM hollow in their clumpy structure? I read that although DM extends beyond the dimensions of their... -
Helio reacted to Admin's post in the thread Some dark matter haloes could roll through the universe like hollow cosmic Easter Eggs with
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The universe could be packed with dark matter haloes that have no galaxy fillings. Some dark matter haloes could roll through the... -
Helio replied to the thread 20 Fun Historical Teasers.Yes. I keep hoping I'll catch it just right, but I've yet to see a sunspot with the naked eye. There are a number of rare accounts of...
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I have seen sunspots using direct viewing of the Sun with no solar filter other than fog. Driving to work one morning the Sun was behind...
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Helio replied to the thread 20 Fun Historical Teasers.Hmmm, I thought more people would be curious about some of these. In case some are curious.... 1) Galileo, in support of his theory on...
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Helio reacted to contrarian's post in the thread What does sombrero galaxy look like from top? with Like.
It seems there is disagreement with various sources. Here is another that claims M-104 is a spiral galaxy ...
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Helio replied to the thread 20 Fun Historical Teasers.So… 7) is False. 19 more await your opinion. 😀
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Helio replied to the thread 20 Fun Historical Teasers.Initially, Galileo looked directly at it. A friend gave him the projection idea soon enough. 😀
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Helio replied to the thread 20 Fun Historical Teasers.No, which is why I mentioned it. When the Sun is setting in the west and it becomes dimmer than normal due to heavy air particles, then...
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Helio replied to the thread What does sombrero galaxy look like from top?.Sometimes NASA uses more general terms than they should because their articles are often for all ages. M104 is a lenticular galaxy...
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Helio replied to the thread What does sombrero galaxy look like from top?.The Sombrero galaxy (M104) is a lenticular galaxy, which are galaxies that lack spiral arms.
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Helio reacted to promytius's post in the thread What does sombrero galaxy look like from top? with Like.
View: https://imgur.com/a/1oZUFE1
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You might find some of these fun to learn about. We tend to simplify what really happened, but the real story greatly adds to the...
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Helio reacted to Sue_Elv's post in the thread Introduce yourself! (And show us your swag) with Like.
I'm Sue, happy to be a part of the group to chat with everyone and keep up on the new activity taking place in space. I have been paying...
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Helio replied to the thread SpaceX's private Fram2 astronauts splash down on Earth, ending historic polar orbit expedition.I assume they were colder than usual on their return. ;)
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Goodbye infinity and all that infinite singularity and infinite density descriptions
- Started by Catastrophe
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