Search found 8 matches

by Kevin_Hall
Thu Jan 13, 2022 12:18 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: Satellites by country
Replies: 0
Views: 2584

Satellites by country

Almost 100 countries have their own satellites in space, but only about 15 of them are capable of launching satellites themselves. According to this list , the leaders are: The first place is for the U.S. (~3985). The second one is Russia (~1532). China is the third with its satellite industry (~506...
by Kevin_Hall
Thu Jan 13, 2022 11:18 am
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: James Webb Space Telescope (JWST)
Replies: 104
Views: 89635

Re: James Webb Space Telescope (JWST)

JWST has started the alignment of its 18 golden hexagons. When the setting finishes, the mirrors will be workning as a single focusing instrument. Whole procedure will take 3 months. By the way, JWST has already completed 84% of its way to Lagrange point 2. I've also found a cool explanation of JWST...
by Kevin_Hall
Mon Jan 10, 2022 5:18 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: James Webb Space Telescope (JWST)
Replies: 104
Views: 89635

James Webb Space Telescope is now fully deployed

The Webb Space Telescope has transormned into its final form. Now it is on its way to Lagrange point 2. JWST has already completed about 80% of the way. https://twitter.com/NASAWebb/status/1479880178021060609?s=20 Just a quick reminder: the main goal of James Webb Space Telescope is discovering the ...
by Kevin_Hall
Thu Jan 06, 2022 7:06 pm
Forum: Open Space: Discuss Anything
Topic: CO2 into rocket fuel
Replies: 1
Views: 1491

CO2 into rocket fuel

Elon Musk has announced on his Twitter that SpaceX is going to use CO2 to produce rocket fuel. What do you think of it? https://twitter.com/elonmusk/status/1470519292651352070?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1470519361295335425%7Ctwgr%5E%7Ctwcon%5Es2_&ref_url=https%3A%2F%2Fw...
by Kevin_Hall
Thu Jan 06, 2022 6:56 pm
Forum: The Library: Information Desk and Educational Resources
Topic: Ebb and flow
Replies: 2
Views: 23164

Ebb and flow

I may have lost my mind, but I have no clue about how the ebb and flow work. Well, I understand that Moon attracts water, which is more elastic than the earth. Hump A on the top of Earth is formed. But how does hump B on the opposite side form?
by Kevin_Hall
Wed Jan 05, 2022 5:10 pm
Forum: The Communications Center: Breaking Science News
Topic: DailyMail: 'Cosmic monster' star is spotted violently erupting and ejecting as much energy as one BILLION suns within on
Replies: 0
Views: 2130

DailyMail: 'Cosmic monster' star is spotted violently erupting and ejecting as much energy as one BILLION suns within on

https://www.dailymail.co.uk/sciencetech/article-10364559/Cosmic-monster-star-spotted-violently-erupting-ejecting-energy-one-BILLION-suns.html A magnetar star has been spotted violently erupting and ejecting as much energy as one billion suns within a tenth of a second. The star, which has been dubbe...
by Kevin_Hall
Wed Jan 05, 2022 4:35 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: Earth in 2021
Replies: 1
Views: 1998

Re: Earth in 2021

2021 seems to be the most breakthrough year for space industry to date. Space tourism resumption, spacex successful launches, tha launch of the greatest telescope we've ever created. Great year! Hopefully, the year 2022 has something to surprise us with :wink:
by Kevin_Hall
Wed Jan 05, 2022 4:17 pm
Forum: The Asterisk Café: Discuss Anything Astronomy Related
Topic: James Webb Space Telescope (JWST)
Replies: 104
Views: 89635

Re: James Webb Space Telescope (JWST)

Hi everyone! I'm a newbie here and the very first thing I've already noticed that this JSWT thread is the oldest that I've seen while surfing other astro forums. That's nice! By the way, all of 5 layers of the sunshield have already been deployed. https://www.bbc.com/news/science-environment-5987373...