Space

Cosmic Messengers (Part 2): A Multi-Dimensional View Of The Universe

[This is the second part of a two-part article on Cosmic Messenger astrophysics. For part 1, please click here.] We can also "see" showers of secondary particles from cosmic rays thanks to the Cherenkov light they produce. Cherenkov light is emi ...

Article - Tommaso Dorigo - Feb 16 2021 - 9:40am

Cosmic Messengers: A Multi-Dimensional View Of The Universe

Have you ever looked up to a clear sky on a moonless night, in a place away from large cities? If you have, you will remember seeing hundreds of bright stars, and maybe even the faint collective glow of 250 billion more within the Milky Way, our own galax ...

Article - Tommaso Dorigo - Feb 16 2021 - 9:41am

Value Of Titan As Base For Humans In Saturn System- Surprisingly- Once There- Easier For Settlement Than Mars Or The Moon

Titan might seem an unlikely place to for humans to build settlements, and maybe eventually colonize. After all, it is so far from the sun, and extraordinarily cold, and it's a long journey to get there (at present). But actually, if you set aside th ...

Article - Robert Walker - Mar 5 2021 - 9:19pm

Let's Make Sure Astronauts Won't Extinguish Native Mars Life- To Jupiter's Callisto, Saturn's Titan And Beyond- Op Ed

Lisa Pratt, the new planetary protection officer for NASA takes up her job at a challenging time for astrobiology. We are approaching a major decision point for Mars. If Elon Musk succeeds in his ambitious plans, then some time in the next couple of decad ...

Article - Robert Walker - Mar 5 2021 - 9:20pm

Can Astronauts Spend Years In Space- And How Quickly Can They Recover On Return To Earth?

The longest time anyone has spent in space is just over fourteen months. So far, astronauts have recovered surprisingly quickly, even after the longest duration spaceflights. Within a few weeks they are almost back to normal health. There are some longer ...

Article - Robert Walker - Apr 9 2021 - 11:07pm

Today Is Hubble's 31st Birthday, Let's Celebrate By Enjoying AG Carinae On The Edge Of Destruction

On April 24th, 1990, the Hubble Space Telescope was launched, and though it had bumpy childhood once the problems were fixed it has well exceeded its mission expectancy. A good thing too. The James Webb Space Telescope that was supposed to replace it 13 ye ...

Article - News Staff - Apr 24 2021 - 5:31am

Motopi Pan Meteorite That Hit Botswana Came From The Giant Asteroid Vesta

Thanks to cosmic rays that created radioactive isotopes while it was in space, an asteroid on an impact trajectory with Earth On June 2, 2018 was detected before it arrived.  Thanks to the isotopes in those fragments, researchers determined that 2018 LA, c ...

Article - News Staff - Apr 26 2021 - 3:04pm

Feel Heavy? There Are 10,000,000 Pounds Of Space Dust Falling On Us Each Year

About 23,000,000 years ago, something hit the giant Asteroid 4 Vesta(1) some 120,000,000 miles away and the impact sent huge rocks into space. In 2018, one such meteorite from that time hit Botswana. It was not unique. Over 30 percent of such Howardite-Euc ...

Article - Hank Campbell - Apr 27 2021 - 3:05pm

Will First Mars Astronauts Stay In Orbit- Tele-operating Sterile Rovers- To Protect Earth And Mars From Colliding Biospheres?

Mars is extraordinarily cold and dry, like our most arid deserts. Harsh but possibly not totally lifeless. There is a chance of life there, hidden away perhaps in thin layers of brines just a couple of centimeters below the surface, or as spores within th ...

Article - Robert Walker - May 1 2021 - 1:50pm

Rocket Booster For China's Tianhe Space Station Will Re-Enter Uncontrolled. Don't Worry About It.

T he Chinese Space agency has achieved something interesting by launching the first part of their own space station.  This is not a breakthrough as space stations have been around for a while.  More science done in space will inevitably be good for humani ...

Blog Post - Hontas Farmer - May 5 2021 - 11:51pm