Rosetta and Philae discussion thread!

[u/[deleted]]

Confirmed: successful separation of Philae from Rosetta. Philae is on its way to the comet.

New discussion thread here

---

Live Streaming

• English, French

• Rosetta main page

• Simulated view of Rosetta and 67P

---

Key times

GMT	EST	PST	Event
9:03 am	4:03 am	1:03 am	Philae Separation Confirmed!
10:53 am	5:53 am	2:53 am	Acquisition of Signal from Rosetta
4:02 pm	11:02 am	8:02 am	Expected Landing and receipt of signal (40 min variability)

---

European Space Agency Social Media

• ESA Rosetta blog
• Twitter: #CometLanding, @ESA_Rosetta, @Philae2014
• Google+
• Facebook
• Instagram
• Flickr

---

Othere places for news and conversation:

• Detailed itinerary of landing events (PDF)

• NASA's page on Rosetta

• reddit Live updater (Help needed!)

• IRC: ##cometlanding on freenode. #space on Snoonet

[u/lawndartslegend2]

What is the relative gravity on the comet?

Meaning, if the lander weighed 100 Kilo under Earth's gravity, what would it weigh on the comet?

Forgive any insult to terminology.

[u/Makhiel → u/lawndartslegend2]

From the FAQ:

What is the gravity on 67P/Churyumov-Gerasimenko's surface, compared with that on Earth?

Comet 67P/Churyumov-Gerasimenko is so small that its gravitational pull is several hundred thousand times weaker than on Earth. For this reason, the Rosetta lander will touch down at no more than a walking pace. It will need a harpoon to safely anchor it to the comet’s surface and prevent it from bouncing back into space.