NASA selects 16 futuristic space technology concepts

NASA has selected 16 cool new futuristic space technology concepts for further study. Four of them are from NASA’s own Jet Propulsion Laboratory (JPL), including a railway system on the moon to move cargo. Source: https://earthsky.org/space/futuristic-space-technology-concepts-nasa-jpl-niac…

Mercury’s greatest elongation Mar 6, 2021

Mercury, the innermost planet, has a close conjunction with the king planet Jupiter on March 5, and then reaches its greatest elongation from the sun on March 6. Source: https://earthsky.org/tonight/mercurys-greatest-elongation-march-6-2021…

What’s the coldest Earth has ever been?

Our planet’s history includes episodes of cold so extreme that glaciers reached sea level in equatorial regions. Source: https://earthsky.org/earth/whats-coldest-earth-has-ever-been…

Best observing targets for binoculars

What are the best solar system and deep-sky objects to view to get the most out of your binoculars? From moon-encircled worlds to starry knots in the Milky Way, our list makes the sky’s wonders easy to find. Source: https://earthsky.org/astronomy-essentials/best-targets-for-binoculars-moon-planets-nebula-clusters…

Mercury-Saturn quasi-conjunction on February 23, 2021

Will you see Saturn and Mercury in the east before sunup these next few mornings? It won’t be easy. They’re near the sunrise. Their quasi-conjunction comes on February 23. Source: https://earthsky.org/tonight/mercury-saturn-quasi-conjunction-feb-23-2021…

What is the Milky Way?

When someone says “Milky Way,” do you think of the starry pathway across our sky, or of the great pinwheel-shaped galaxy in space? Both are correct! Source: https://earthsky.org/astronomy-essentials/what-is-the-milky-way-galaxy…

A new planet next door?

Astronomers have spotted “something” near Alpha Centauri A, in the star system nearest our Earth and sun. If it turns out to be a planet, it’ll be the first time a planet has been directly imaged within the habitable zone of a star. Source: https://earthsky.org/space/alpha-centauri-a-planet-candidate-direct-image-discovery…

Most distant object in our solar system spotted. But it’s not Planet Nine.

There’s a dwarf planet in our solar system, far beyond the orbit of Pluto, that swings so far away from the sun that from its perspective Earth and Saturn look like neighbors. Source: https://www.livescience.com/farfarout-planet-distance-record.html

Venus-Jupiter conjunction February 11, 2021

Depending on where you live worldwide, the planets Venus and Jupiter will pair up most closely in the morning sky on February 11 or 12, 2021. Source: https://earthsky.org/tonight/venus-jupiter-conjunction-feb-11-2021…

Observer’s challenge: Moon and morning planets on February 8, 9 and 10

Before sunrise on February 8, 9 and 10, 2021, the old moon might guide you to 3 morning planets: Venus, Jupiter and Saturn. Fair warning. It won’t be easy to spot the planets so near the sunrise glare! Source: https://earthsky.org/tonight/moon-morning-planets-feb-8-9-10-2021…