Sky & Telescope

27 Jan. 2023

Forget the hype and go outside to enjoy the real thing — a relatively bright comet you can see in binoculars from a dark sky.

The post See Comet ZTF (C/2022 E3) Dash Between Big and Little Dippers appeared first on Sky & Telescope.

27 Jan. 2023

Comet ZTF is at its best this week — but every night moonlight encroaches on the scene until a later and later hour. Along the way, the Moon occults Mars for the southern U.S. and again forms isosceles triangles with naked-eyestars.

The post This Week's Sky at a Glance, January 27 – February 5 appeared first on Sky & Telescope.

26 Jan. 2023

A recently discovered asteroid will pass exceptionally close to Earth on January 26th. Here's how to see it. Also, Comet ZTF (C/2022 E3) is brightening nicely, with three tails visible in binos.

The post Tiny Asteroid 2023 BU to Miss Earth appeared first on Sky & Telescope.

26 Jan. 2023

Astronomers at this month's big winter conference explored intriguing small galaxies at various points in cosmic history.

The post New Observations Reveal Galaxies Near and Far appeared first on Sky & Telescope.

25 Jan. 2023

Deep images of galaxy clusters reveals the light of wandering stars. What set these stars free from their hosts?

The post Hubble and Webb Image Galaxies’ Lost Stars appeared first on Sky & Telescope.

23 Jan. 2023

The James Webb Space Telescope has found the tiny tail of a close-in exoplanet that's losing its atmosphere.

The post JWST Investigates an Exoplanet "Corgi" appeared first on Sky & Telescope.

20 Jan. 2023

The average brightness of the night sky is increasing by 10% every year, making the stars less visible.

The post Light Pollution Is Increasing Even Faster Than We Realized appeared first on Sky & Telescope.

20 Jan. 2023

Venus and Saturn have a close conjunction in twilight. Comet ZTF heads into its best week. And Betelgeuse overtakes Sirius ever earlier in the night.

The post This Week's Sky at a Glance, January 20 – 29 appeared first on Sky & Telescope.

19 Jan. 2023

If you have a solar filter, check out the sunspot group AR 3190 that's crossing the solar disk this week.

The post See a Giant Sunspot! appeared first on Sky & Telescope.

17 Jan. 2023

An arc that glows green thanks to doubly ionized oxygen appears near the Andromeda Galaxy in a photo obtained by amateur astronomers.

The post Amateur Astronomers Find Glowing Gas Arc Near Andromeda appeared first on Sky & Telescope.

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