Posts by tracyisaac

1 month ago

Nature – A possible direct exposure of the Earth to the cold dense interstellar medium 2–3 Myr ago

Nature Astronomy (2024) Merav Opher, Abraham Loeb & J. E. G. Peek Abstract Cold, dense clouds in the interstellar medium of our Galaxy are 4–5 orders of magnitude denser than their…

1 month ago

New study finds Earth collided with dense interstellar cloud, possibly affecting life on planet

Call it the Milky Way mystery. Evidence of a long-ago collision involving the Earth was there in the form of specific radioactive isotopes deposited across the Earth and Moon. There…

1 month ago

NewScientist – Cosmic cloud exposed Earth to interstellar space 3 million years ago

Cosmic cloud exposed Earth to interstellar space 3 million years ago The protective bubble around the sun retreated dramatically after colliding with a freezing interstellar cloud, leaving much of the…

6 months ago

SHIELD NASA Hyperwall

The SHIELD DRIVE Science Center, one of the three DRIVE centers funded through the NASA/SMD Heliophysics Division to study breakthrough problems that require a center funding, is studying the protective…

1 year ago

Is Our Solar System Shaped Like A Croissant?

Universe Explorers | BBC Earth Lab Voyagers 1 and 2 are the only human-made objects to ever escape the solar system and reach interstellar space. But what mysteries have…

1 year ago

Interstellar space: The mysterious realm beyond our heliosphere

Interstellar space: The mysterious realm beyond our heliosphere Interstellar space may seem like unbroken nothingness, but thanks partly to the Voyager probes, we’re getting many new insights into this region’s…

2 years ago

SHIELD is featured in Forbes: “We Might Live In A Giant Croissant-Shaped Bubble In Space Say Scientists. Now NASA Is On The Case”

We Might Live In A Giant Croissant-Shaped Bubble In Space Say Scientists. Now NASA Is On The Case We all live in a bubble in space. If that’s news to…

3 years ago

Another Breakthrough for Team Studying Our Solar System’s Protective Bubble

Another Breakthrough for Team Studying Our Solar System’s Protective Bubble Astrophysicists on BU’s NASA-funded SHIELD team reach another milestone on their quest to understand the heliosphere A multi-institutional team of…

4 years ago

Visualizing the Heliosphere, Our Solar System’s Protective Bubble

Visualizing the Heliosphere, Our Solar System’s Protective Bubble BU astrophysicist Merav Opher will lead a NASA-funded center on a mission to understand the shape and size of the heliosphere To…

Posts by tracyisaac

Nature – A possible direct exposure of the Earth to the cold dense interstellar medium 2–3 Myr ago

New study finds Earth collided with dense interstellar cloud, possibly affecting life on planet

NewScientist – Cosmic cloud exposed Earth to interstellar space 3 million years ago

SHIELD NASA Hyperwall

Is Our Solar System Shaped Like A Croissant?

Interstellar space: The mysterious realm beyond our heliosphere

SHIELD is featured in Forbes: “We Might Live In A Giant Croissant-Shaped Bubble In Space Say Scientists. Now NASA Is On The Case”

Another Breakthrough for Team Studying Our Solar System’s Protective Bubble

Visualizing the Heliosphere, Our Solar System’s Protective Bubble

A multi-institutional team of astrophysicists headquartered at Boston University, led by BU astrophysicist Merav Opher

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