India's Moon Exploration Program

[Cheran]

Should we be worried?

Massive solar flares happened on 18th .i.e yesterday

Russian scientists warn of powerful solar flare activity on Monday

Powerful solar flare activity is forecast for Monday which may interfere with short-wave communications, Russian scientists said after three flares were observed on the sun on Sunday.

www.reuters.com

'Cannibal' coronal mass ejection that devoured 'dark eruption' from sun will smash into Earth today (July 18)

Two coronal mass ejections have combined into an enormous cloud of magnetized plasma that is forecast to hit Earth on Tuesday and potentially trigger a weak geomagnetic storm.

www.livescience.com

 

[Suryavanshi]

Should we be worried?

Massive solar flares happened on 18th .i.e yesterday

Russian scientists warn of powerful solar flare activity on Monday

Powerful solar flare activity is forecast for Monday which may interfere with short-wave communications, Russian scientists said after three flares were observed on the sun on Sunday.

www.reuters.com

View attachment 215194

'Cannibal' coronal mass ejection that devoured 'dark eruption' from sun will smash into Earth today (July 18)

Two coronal mass ejections have combined into an enormous cloud of magnetized plasma that is forecast to hit Earth on Tuesday and potentially trigger a weak geomagnetic storm.

www.livescience.com

View attachment 215193

I thought big solar flares are a sign of dying or young star?

 

[Physx32]

Should we be worried?

Massive solar flares happened on 18th .i.e yesterday

Russian scientists warn of powerful solar flare activity on Monday

Powerful solar flare activity is forecast for Monday which may interfere with short-wave communications, Russian scientists said after three flares were observed on the sun on Sunday.

www.reuters.com

View attachment 215194

'Cannibal' coronal mass ejection that devoured 'dark eruption' from sun will smash into Earth today (July 18)

Two coronal mass ejections have combined into an enormous cloud of magnetized plasma that is forecast to hit Earth on Tuesday and potentially trigger a weak geomagnetic storm.

www.livescience.com

View attachment 215193

The spacecraft has sufficient protection for electromagnetic radiation, so don't worry.

 

[Physx32]

I thought big solar flares are a sign of dying or young star?

It's an M class solar flare, there have been more powerful flares in the past.

Also, the first symptom in a dying star would be that it starts shrinking.

 

[Indrajit]

Also, the first symptom in a dying star would be that it starts shrinking.

Thought stars like the sun become bigger as they start the long process of dying.

 

[SKC]

Should we be worried?

Massive solar flares happened on 18th .i.e yesterday

Russian scientists warn of powerful solar flare activity on Monday

Powerful solar flare activity is forecast for Monday which may interfere with short-wave communications, Russian scientists said after three flares were observed on the sun on Sunday.

www.reuters.com

View attachment 215194

'Cannibal' coronal mass ejection that devoured 'dark eruption' from sun will smash into Earth today (July 18)

Two coronal mass ejections have combined into an enormous cloud of magnetized plasma that is forecast to hit Earth on Tuesday and potentially trigger a weak geomagnetic storm.

www.livescience.com

View attachment 215193

All Space crafts are radiation hardened with certain level of tolerance to unexpected radiation events.

 

[TopWatcher]

CY-4 aka LUPEX will be launched using Japanese H-3

I m not concerned about CY4, just asking can LMV3 send heavy weight > 4T landers to LEO.

 

[Vamsi]

I m not concerned about CY4, just asking can LMV3 send heavy weight > 4T landers to LEO.

Yes,it can, but it will take same amount of time,if not more

 

[Physx32]

Thought stars like the sun become bigger as they start the long process of dying.

For a sun like star, when hydrogen fuel becomes depleted, fusion stops in the core. So, we no longer have the nuclear explosions which keeps the star from collapsing due to gravity. So, it starts to contract.

Due to contraction, pressure and temperature both increases. At some point temperature becomes so high that helium fusion starts. Now, the star starts expanding to a red giant due to helium fusion.

So the first visible sign is contraction.

 

[spacemarine2023]

I m not concerned about CY4, just asking can LMV3 send heavy weight > 4T landers to LEO.

LMV3 can take 4T to LEO might be 2X of that…
Can take more than 4T to GEO…

we are taking this route because we don't want to carry access fuel there is no point of direct injection this is more efficient approach to carry more scientific payload.

 

[GaudaNaresh]

For a sun like star, when hydrogen fuel becomes depleted, fusion stops in the core. So, we no longer have the nuclear explosions which keeps the star from collapsing due to gravity. So, it starts to contract.

Due to contraction, pressure and temperature both increases. At some point temperature becomes so high that helium fusion starts. Now, the star starts expanding to a red giant due to helium fusion.

So the first visible sign is contraction.

When hydrogen gets depleted, the core uses helium for fusion. When helium is depleted, it uses Carbon, etc. all the way to Iron. The star cannot fuse heavier elements than Iron, so it undergoes core collapse, leading to either supernova, black hole or neutron star.

 

[Physx32]

When hydrogen gets depleted, the core uses helium for fusion. When helium is depleted, it uses Carbon, etc. all the way to Iron. The star cannot fuse heavier elements than Iron, so it undergoes core collapse, leading to either supernova, black hole or neutron star.

That's for stars which are atleast 10 times solar mass. I was talking about sun like stars.

 

[Vamsi]

When hydrogen gets depleted, the core uses helium for fusion. When helium is depleted, it uses Carbon, etc. all the way to Iron. The star cannot fuse heavier elements than Iron, so it undergoes core collapse, leading to either supernova, black hole or neutron star.

Our Sun will become a whitedwarf

 

[Indx TechStyle]

LMV3 can take 4T to LEO might be 2X of that…
Can take more than 4T to GEO…

10T to LEO and 4T to GTO, not directly to GEO.

 

[Cheran]

 

[here2where]

Our Sun will become a whitedwarf

Long before Sun dies, it would have eaten up all the near planets. Including Earth.

 

[Cheran]

View attachment 215375
View attachment 215376

 

[chewi]

Chandrayaan-3 next firing, the TransLunar Injection (TLI), is planned for August 1, 2023, between 12 midnight and 1 am IST.

Chandrayaan-3 Mission:


The orbit-raising maneuver (Earth-bound perigee firing) is performed successfully from ISTRAC/ISRO, Bengaluru.


The spacecraft is expected to attain an orbit of 127609 km x 236 km. The achieved orbit will be confirmed after the observations.


The next firing, the TransLunar Injection (TLI), is planned for August 1, 2023, between 12 midnight and 1 am IST.

Spoiler: Tweet

Mod Note: Always quote text & images along tweet and put tweet in spoiler for the case it gets deleted.

 

[Master Chief]

Current orbit: 127603 * 236 km

 

[RocketMan]

That's for stars which are atleast 10 times solar mass. I was talking about sun like stars.

Our Sun might undergo red giant phase twice > white dwarf > black dwarf .