How and When the Milky Way Came Together

The Astronomy, Technology and Space Science News Podcast.
SpaceTime Series 24 Episode 62
*New evidence of how and when the Milky Way came together
A new study shows that our Milky Way galaxy already had a significant stellar population of its own, when it collided with an orbiting satellite galaxy, known as Gaia-Enceladus – or the Gaia sausage -- about 10 billion years ago.
*Ten years of space station research into antimatter and cosmic rays
NASA’s anti-matter and cosmic ray detector aboard the International Space Station has passed a major mile stone celebrating ten years in orbit.
*Virgin Galactic undertakes its first successful test flight from New Mexico
Virgin Galactic has undertaken its first successful high altitude flight in more than two years, climbing to an altitude of 89 kilometres above the New Mexico desert.
*China launches a new ocean monitoring satellite
China has launched a new Earth Observation satellite designed to study Oceanography.
*The Science Report
Pfizer and Moderna vaccines found to offer immunity against a sub-types tearing through India
Claims the capabilities of cancer cells may come from reactivating pre-existing, dormant genes.
ExxonMobil using tobacco industry tactics to fight global warming claims.
A new study has found that night owls tend to send out more negative tweets than early birds.
Alex on Tech: record number of Australians move to very high speed plans.

Your support is needed...
SpaceTime is an independently produced podcast (we are not funded by any government grants, big organisations or companies), and we’re working towards becoming a completely listener supported show...meaning we can do away with the commercials and sponsors. We figure the time can be much better spent on researching and producing stories for you, rather than having to chase sponsors to help us pay the bills.
That's where you come us reach our first 1,000 that level the show becomes financially viable and bills can be paid without us breaking into a sweat every month. Every little bit helps...even if you could contribute just $1 per month. It all adds up.
By signing up and becoming a supporter at the $5 or more level, you get immediate access to over 230 commercial-free, double, and triple episode editions of SpaceTime plus extended interview bonus content. You also receive all new episodes on a Monday rather than having to wait the week out. Subscribe via Patreon or Supercast....and share in the rewards. Details at Patreon  or Supercast -
Details at  or
Sponsor Details:
This episode of SpaceTime is brought to you with the support of NordVPN…The world’s leading VPN provider. Making your online data unreadable to others.
Check them out and get our big discount offer, plus help support SpaceTime… visit or use the coupon code STUARTGARY at checkout. Thank you…
For more SpaceTime visit (mobile friendly).
For enhanced Show Notes including photos to accompany this episode:
RSS feed:
To receive the Astronomy Daily Newsletter free, direct to your inbox...just join our mailing list at or visit
 See for privacy and opt-out information.