Carnival of Space 539

1. Universe Today – TTwo new Super-Earths Discovered Around a Red Dwarf Star

Above -K2-18b and its neighbor, newly discovered K2-18c, orbit the red-dwarf star k2-18 locataed 111 light years away in the constellation Leo. Credit: Alex Boersma

2. Universe Today – Juno Isn’t Exactly Where it’s Supposed To Be. The Flyby Anomaly is Back, But Why Does it Happen?

3. Universe Today – A New Survey Takes the Hubble Deep Field to the Next Level, Analyzing Distance and Properties of 1,600 Galaxies

The galaxies detected in this survey were also 100 times fainter than any galaxies studied in previous surveys. Given their age and their very dim and distant nature, the study of these 1600 galaxies is sure to add to any already very richly-observed field. This,in turn, can only deepen our understanding of how galaxies formed and evolved during the past 13 billions years.

The 72 newly-discovered galaxies that the survey observed are known as Lyman-alpha emitters, a class of galaxy that is extremely distant and only detectable in Lyman-alpha light. This form of radiation is emitted by excited hydrogen atoms, and is thought to be the result of ongoing star formation. Our current understanding of star formation cannot fully explain these galaxies, and they were not visible in the original Hubble images.

4. Universe Today – There Could be Hundreds More Icy Worlds with Life Than on Rocky Planets Out There in the Galaxy

There is only one terrestrial planet in our Solar System that is capable of supporting life (Earth), there are multiple “Ocean Worlds” like Europa, Ganymede, Enceladus and Titan.

Habitable zones (HZs) should not be confused with habitability. Planets that are located within an Habitable zones are not necessarily capable of supporting life. Mars and Venus are in the Habitable zones but cannot support life. Whereas Mars is too cold and it’s atmosphere too thin to support life, Venus suffered a runaway greenhouse effect that caused it to become a hot, hellish place.

The moons of Europa, Ganymede, Enceladus, Dione, Titan have a lot of water and geothermal heating caused by tidal forces. These moons all have interior oceans that could very well support life.

The “Ocean Moons” of Europa and Enceladus, as imaged by the Galileo and Cassini spacecraft. Credit: NASA/ESA/JPL-Caltech/SETI Institute

5. Blasting News – Space Station Astronauts Make Flying Pizza And It’s Awesome!

6. Blasting News – Why Jim Bridenstine isn’t NASA administrator – yet

7. Blasting News – You will never believe what SpaceX’s Elon Musk proposes to launch into space

8. Nextbigfuture – NASA testing ultra-simple small nuclear reactors that will power missions to Mars and beyond

9. Blasting News – Rocket Lab to make second launch attempt in December

10. Blasting News -What has to happen before we go back to the moon

11. Blasting News -Japan reaches out to NASA, India as partners in the new race to the moon

12. Blasting News – Polish professor ponders if Mars colonists could need religion to survive

13. Vega00 – VLT photograph IC 2944 showing groups of dark clouds know as Thackeray clusters. [Article is written in Spanish]


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