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Scents of Science

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universe

Cygnus Skyscape

In brush strokes of interstellar dust and glowing hydrogen gas, this beautiful skyscape is painted across the plane of our Milky Way Galaxy near the northern end of the Great Rift and the constellation Cygnus the Swan. Composed with three different telescopes and about 90 hours... Continue Reading →

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INSIDE AEOLUS

ESA’s Aeolus satellite, which carries the world’s first space Doppler wind lidar, has been delivering high-quality global measurements of Earth’s wind since it was launched almost a year ago. However, part of the instrument, the laser transmitter, has been slowly... Continue Reading →

Earth Blue, Rocket Red and Lunar Silver: A New Identity for Artemis Program to the Moon

Artemis, named after the twin sister of Apollo who is also the Goddess of the Moon and the hunt, encompasses all of our efforts to return humans to the Moon – which will prepare us and propel us on to... Continue Reading →

What Does a Marsquake Look Like?

Earth isn't the only place that experiences quakes: Both the Moon and Mars have them as well. NASA sent the first seismometer to the Moon 50 years ago, during the Apollo 11 mission; the agency's InSight lander brought the first... Continue Reading →

The early days of the Milky Way revealed

The universe 13,000 million years ago was very different from the universe we know today. It is understood that stars were forming at a very rapid rate, forming the first dwarf galaxies, whose mergers gave rise to the more massive... Continue Reading →

M82: Galaxy with a Supergalactic Wind

Why is the Cigar Galaxy billowing red smoke? M82, as this starburst galaxy is also known, was stirred up by a recent pass near large spiral galaxy M81. This doesn't fully explain the source of the red-glowing outwardly expanding gas and dust, however. Evidence indicates that this gas and dust is being... Continue Reading →

Understanding the Solar Cycle

The solar cycle is a rhythmic waxing and waning of the number of sunspots on the Sun. There are about 11 years between the times when the sunspot number is the greatest. We now know that the solar cycle is... Continue Reading →

Angelic Halo Orbit Chosen For Humankind’s First Lunar Outpost

Like the International Space Station, the Gateway will be a permanent and changeable human outpost. Instead of circling our planet however, it will orbit the Moon, acting as a base for astronauts and robots exploring the lunar surface. The Gateway concept Like... Continue Reading →

Tranquility Base Panorama

On July 20, 1969 the Apollo 11 lunar module Eagle safely touched down on the Moon. It landed near the southwestern corner of the Moon's Mare Tranquillitatis at a landing site dubbed Tranquility Base. This panoramic view of Tranquility Base was constructed from the historic photos... Continue Reading →

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