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07/14/2020 06:33 PM
Time-Lapse Video Reveals 10 Years of the Sun’s Life Crushed into One Stellar Hour

I forget the Sun is a star. I think we all do sometimes. It’s easy to take for granted. The Sun is that glowing thing that rises in the morning and sets in the evening that we don’t generally pay attention to as we go about our day. However, there are these rare moments when …

The post Time-Lapse Video Reveals 10 Years of the Sun’s Life Crushed into One Stellar Hour appeared first on Universe Today.



07/14/2020 04:31 PM
NASA Chooses 10 Projects that Will Help it Live Off the Land… on the Moon

NASA has announced that it is investing in ten small business concepts that will allow astronauts to explore the Moon in a sustainable way.

The post NASA Chooses 10 Projects that Will Help it Live Off the Land… on the Moon appeared first on Universe Today.



07/14/2020 02:21 PM
1 in 10 Red Giants are Covered in Spots, and They Rotate Surprisingly Quickly

Sunspots are common on our Sun. These darker patches are cooler than their surroundings, and they’re caused by spikes in magnetic flux that inhibit convection. Without convection, those areas cool and darken. Lots of other stars have sunspots, too. But Red Giants (RGs) don’t. Or so astronomers thought. A new study shows that some RGs …

The post 1 in 10 Red Giants are Covered in Spots, and They Rotate Surprisingly Quickly appeared first on Universe Today.



07/14/2020 01:28 PM
Stars Like Our Sun Become Lithium Factories as They Die

In the beginning, the big bang created three elements: hydrogen, helium, and lithium. But it only produced a trace of lithium. For every lithium atom created, the big bang produced about 10 billion hydrogen atoms, and 3 billion helium atoms. The ratio of primordial elements is one of the triumphs of the big bang model. …

The post Stars Like Our Sun Become Lithium Factories as They Die appeared first on Universe Today.



07/14/2020 12:15 PM
Astronomers Have Mapped Out an Enormous Structure in the Universe Called the South Pole Wall

Galaxies aren’t spread evenly throughout space. They exist in groups, clusters, and superclusters. Our own Milky Way galaxy exists in an impossibly vast structure called the Laniakea supercluster. Laniakea was defined in 2014, and it contains over 100,000 galaxies. Now a team of astronomers have discovered another immense feature beyond Laniakea, called the South Pole …

The post Astronomers Have Mapped Out an Enormous Structure in the Universe Called the South Pole Wall appeared first on Universe Today.



07/13/2020 05:57 PM
Will We See a Starship Test This Week?

Barring a further delays, the fifth Starship prototype (SN5) could be ready for a static fire and hop test by the end of this week.

The post Will We See a Starship Test This Week? appeared first on Universe Today.



07/13/2020 03:27 PM
Parker Solar Probe Gives a Unique Perspective on Comet NEOWISE

Comet watchers have enjoying the newly-discovered NEOWISE comet since it was first spotted in March 2020. Now that it’s visible with the naked eye, in dark sky conditions, all kinds of Earthly observers are checking the visitor out. But NASA’s Parker Solar Probe has another view of the comet, one denied to Earth-bound observers. NEOWISE’s …

The post Parker Solar Probe Gives a Unique Perspective on Comet NEOWISE appeared first on Universe Today.



07/13/2020 01:31 PM
Watch the Incredible Plume of Dust from Africa Cross the Entire Atlantic Ocean

Dust plumes are a natural phenomena, part of Earth’s nutrient cycle. They occur when high-velocity winds pick up tiny dry particles from the Earth’s surface and carry them long distances. Every summer, dust plumes from Africa’s Sahara desert travel across the Atlantic Ocean. They’re usually not this big, and they often sink into the ocean. …

The post Watch the Incredible Plume of Dust from Africa Cross the Entire Atlantic Ocean appeared first on Universe Today.



07/13/2020 11:36 AM
This Giant Iceberg Has Been Sailing the Southern Seas for Three Years Now

An iceberg that calved off of from a larger ice formation has spent three years floating on the ocean near Antarctica. The iceberg broke off of the Larsen Ice Shelf in mid-July 2017. It’s been battered and split up into three pieces, but it’s still going. In July 2017, satellites spotted the calving event, as …

The post This Giant Iceberg Has Been Sailing the Southern Seas for Three Years Now appeared first on Universe Today.



07/12/2020 05:46 PM
NASA and HeroX are Looking to Light Up the Moon!

With a prize purse of up to $5 million, NASA and HeroX are looking for ideas on how we could provide sustainable power for astronauts exploring the Moon and Mars!

The post NASA and HeroX are Looking to Light Up the Moon! appeared first on Universe Today.




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