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James Webb Space Telescope - First Image NASA

First Image From James Webb Space Telescope

James Webb Space Telescope

Space rocket
The James Webb Space Telescope is a space telescope designed primarily to conduct infrared astronomy. As the most powerful telescope ever launched into space, its greatly improved infrared resolution and sensitivity will allow it to view objects too old, distant, or faint for the Hubble Space Telescope.
Launch date: 25 December 2021
Cost: 1,000 crores USD (2016)
Rocket: Ariane 5 ECA (VA256)
Operator: STScI (NASA)
Dimensions: 20.197 m × 14.162 m (66.26 ft × 46.46 ft), sunshield
Bandwidth: S-band up: 16 kbit/s; S-band down: 40 kbit/s; Ka-band down: up to 28 Mbit/s
Manufacturers: Northrop Grumman, Ball Aerospace & Technologies

What is the James Webb Space Telescope?

Goals
The James Webb Space Telescope is an infrared observatory that will complement and extend the discoveries of the Hubble Space Telescope, with longer wavelength coverage and greatly improved sensitivity.
James Webb Space Telescope
ஜேம்ஸ் வெப் தொலைநோக்கி அமெரிக்காவின் நாசா, ஐரோப்பாவின் ஈசா, கனடா விண்வெளி ஆராய்ச்சி மையங்கள் இணைத்து அனுப்பிய தொலைநோக்கி ஆகும். ஏற்கனவே விண்ணில் இருக்கும் hubble தொலைநோக்கியின் அப்டேட் தான் இந்த ஜேம்ஸ் வெப் தொலைநோக்கி.
பூமியில் இருந்து அதிகபட்சம் 1,500,000 km தூரத்தில் இது நிலைநிறுத்தப்பட்டுள்ளது. பூமியில் இருந்து இது இருக்கும் குறைந்தபட்ச தொலைவே 374,000 km தூரம் ஆகும்.

ஜேம்ஸ் வெப் எடுத்த புகைப்படத்தை இன்றுதான் (11/07/2022) நாசா வெளியிட்டது.

ஜேம்ஸ் வெப் எடுத்த புகைப்படத்தை பற்றி பார்க்கலாம். குட்டி குட்டி நட்சத்திரங்கள், மினிமைஸ் செய்யப்பட்ட பிரபஞ்ச கூட்டங்கள், நட்சத்திர கூட்டங்கள் என்று எல்லாம் அடங்கிய புகைப்படம்தான் அது. ஒரு பிடி மண்ணை கையில் வைத்து உங்கள் தோள் பட்டையில் கேமரா வைத்து கையில் உள்ள மண்ணை போட்டோ எடுத்தால் எப்படி இருக்கும். அப்படித்தான் விண்வெளியில் ஒரு பிடி மண் அளவிற்கு உள்ள குறிப்பிட்ட பகுதியை மட்டும் படம் பிடித்து ஜேம்ஸ் வெப் அனுப்பி உள்ளதாக நாசா வர்ணித்து உள்ளது.


Nov 26 - PSLV C54,ISRO to launch Oceansat-3,8 nano satellites

Isro to launch PSLV-54 on Nov 26 2022

Oceansat-3, 8 nano satellites

Nov 26, 2022 PSLV-54

The Indian Space Research Organisation (ISRO) will launch PSLV-54/EOS-06 mission with Oceansat-3 and eight nano statellites on board from Sriharikota spaceport.
The Polar Satellite Launch Vehicle (PSLV-C54) will launch the satellites at 11.56 a.m. (Today Nov 26,2022) from the Satish Dhawan Space Centre in Sriharikota. The EOS-6 is a third-generation satellite in the Oceansat series of satellites.
PSLV-54/EOS-06

The eight nano satellites

ISRO Nano Satellite-2 for Bhutan (INS-2B),
Anand
The Anand nano satellite developed by Bengaluru-based space start-up, Pixxel, is a technology demonstrator to demonstrate the capabilities and commercial applications of miniaturised Earth-observation cameras for Earth observation using a microsatellite in Low Earth Orbit
Astrocast 4 Numbers
Developed by Hyderabad-based Dhruva Space, is a 3U spacecraft. It is a technology demonstrator satellite for the Internet of Things (IoT).
Thybolt satellites 2 Numbers.
The U.S.-based Spaceflight has developed Thybolt which is a 0.5U spacecraft bus that includes a communication payload to enable rapid technology demonstration and constellation development for multiple users.
The INS-2B spacecraft will have two payloads namely NanoMx and APRS-Digipeater.
While the NanoMx is a multi-spectral optical imaging payload developed by Space Applications Centre, Ahmedabad, the APRS-Digipeater payload has been jointly developed by the Department of Information Technology and Telecom-Bhutan and the UR Rao Satellite Centre, Bengaluru.




Indian Railways starts 200 special trains from 1/6/2020

Indian Government Railways starts 200 special trains from 1st Jun 2020. Charting, boarding rules you must know

Two Special Trains for Coimbatore from 1st Jun 2020.

Indian Railways has started running a pair of 100 trains from today - 1st Jun 2020, after a gap of over two months due to coronavirus lockdown across India. Mahanagari Express, the first train among 200 special trains to start today, departed from Mumbai's Chhatrapati Shivaji Maharaj Terminus for Varanasi in Uttar Pradesh. States such as Maharashtra have had their reservations regarding the opening of passenger trains, but last minute arrangements were made to run the special trains from their respective source stations.

Approved Trains List From Coimbatore to Katpadi

Train No : 02680/02679 Coimbatore to Katpadi and Katpadi to Coimbatore (Daily)
Start Time 6:15 am From Coimbatore and will reach to Katpadi 11:50 Am.
Start Time 16:20 From Katpadi and will reach to Coimbatore at 22:15.
Passing Stations: Tiruppur, Erode, Salem, Jolarpettai and Katpadi Junction
.

Approved Trains List From Coimbatore to Mayaladuthurai Junction

Train No : 02084/12083 Coimbatore to Mayaladuthurai and Mayaladuthurai to Coimbatore (Except Tue)
Start Time 7:10 am From Coimbatore and will reach to Mayaladuthurai 13:40.
Start Time 14:50 From Mayaladuthurai and will reach to Coimbatore at 21:15.
Passing Stations: Tiruppur, Erode, Karur, Trichy, Thanjavur, Kumbakonam and Mayaladuthurai Junction

Coimbatore Railway Station : New charting, boarding rules.

1) Passengers to reach station 90 minutes in advance
2) Along with Fully confirmed and RAC passengers, partially Waitlisted Ticket holders (if in single PNR there are confirmed and WL passengers both) also allowed.
Not Allowed - Waitlisted passengers.
3) Passengers will be compulsorily screened and only those found asymptomatic will be allowed to board trains. All passengers must wear face covers/masks at the entry and during travel.
4) If during screening at the station a passenger has very high temperature/symptoms of Covid-19 etc., he shall not be allowed to travel despite having confirmed tickets. In such case full refund shall be provided to the passenger.
5) Maintaining social distance is a must all the time.
6) Use of Arogya Setu app mandatory.
7) First chart shall be prepared at least 4 hours before scheduled departure and second chart shall be prepared at least 2 hours (unlike present practice of 30 minutes) before scheduled departure.
8) No unreserved (UTS) tickets will be issued and no tickets will be issued onboard to any passenger during the journey.
9) If during screening at the station a passenger has very high temperature/symptoms of Covid-19 etc., he shall not be allowed to travel despite having confirmed tickets. In such case full refund shall be provided to passenger as under:-
On PNR having single passenger.
On a party ticket if one passenger is found unfit to travel and also all other passengers on the same PNR do not want to travel in that case full refund shall be granted for all passengers.
10) There will be no unreserved coach in the train.


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