This Week’s Sky: May 10-16, 2021 | Planets, & more | SkyNews

Tuesday, Might 11 – New Moon (at 19:00 GMT)

A diagram of the new Moon on May 11, 2021. | SkyNews
New Moon on Might 11, 2021 (Chris Vaughan, Starry Evening Schooling)

The Moon will formally attain its new section on Tuesday, Might 11 at 3:00 p.m. EDT (or 12:00 p.m. PDT or 19:00 Greenwich Imply Time). Whereas new, the Moon is travelling between Earth and the Solar. Since daylight can solely attain the far aspect of the Moon, and the Moon is in the identical area of the sky because the Solar, the Moon into utterly hidden from view from wherever on Earth for a couple of day. After the brand new Moon section Earth’s celestial night-light will return to shine within the western night sky.

Wednesday, Might 12 – Crescent Moon kisses Venus (after sundown)

A diagram of the crescent Moon passing Venus on May 12, 2021. | SkyNews
Crescent Moon kisses Venus on Might 12, 2021 (Chris Vaughan, Starry Evening Schooling)

Low within the west-northwestern sky after sundown on Wednesday, Might 12, the younger crescent Moon will probably be positioned a finger’s width to the decrease left (or 1 diploma to the celestial south) of Venus. The very shiny planet will probably be simpler to search out first because the sky darkens after about Eight p.m. time. Ensure that the Solar has utterly set earlier than utilizing binoculars or a telescope (purple circle) to view the duo. Observers in a lot of New Zealand, Japanese Polynesia, and Easter Island can see the Moon occult Venus within the mid-day sky.

Thursday, Might 13 – Crescent Moon close to Mercury (after sundown)

A diagram of the crescent Moon near Mercury on May 13, 2021. | SkyNews
Crescent Moon close to Mercury on Might 13, 2021 (Chris Vaughan, Starry Evening Schooling)

A day after Venus, the crescent Moon will to sit down a number of finger widths to the left (or Three levels to the celestial southeast) of Mercury within the west-northwestern sky of Thursday, Might 13. The pair will set at about 10 p.m. native time, effectively after sundown, permitting them to shine in a darkened sky. The Moon and the planet will match collectively within the discipline of view of binoculars (purple circle). Vivid Venus will shine under them.

Saturday, Might 15 – Crescent Moon and Mars (night)

A diagram of the crescent Moon near Mars on May 15, 2021. | SkyNews
Crescent Moon close to Mars on Might 15, 2021. (Chris Vaughan, Starry Evening Schooling)

Within the western sky after nightfall on Saturday, Might 15, the beautiful, waxing crescent Moon will shine a number of finger widths to the decrease proper (or two levels to the celestial northwest) of the reddish planet Mars. The duo will seem collectively in binoculars (purple circle). The Moon’s movement will carry it nearer to Mars by the point they set collectively shortly earlier than midnight native time.

Sunday, Might 16 – Moon occults shiny star Kappa Geminorum (early night)

A diagram of the Moon occulting bright star Kappa Geminorum on May 16, 2021. | SkyNews
Moon occults shiny star Kappa Geminorum on Might 16, 2021. (Chris Vaughan, Starry Evening Schooling)

On Sunday night, Might 16, observers within the japanese continental United States and Canada can watch the waxing Moon occult the medium-bright star Kappa Geminorum (or κ Gem). The darkish forefront of the Moon will cowl the star first, inflicting its level of sunshine to wink out. The star will re-appear from behind the intense japanese limb of the Moon a while later. Ingress and egress instances range by latitude – so use Starry Evening or one other astronomy app to lookup the instances the place you reside. In New York Metropolis, Kappa Geminorum will disappear at 9:37 p.m. EDT and re-appear at 10:39 p.m. EDT. Wherever you’re observing from, begin watching a couple of minutes earlier than the appointed instances. The occasion will probably be seen in binoculars and yard telescopes, however keep in mind that a telescope (purple circle) will probably invert and/or mirror the scene proven right here.

Sunday, Might 16 – Mercury at biggest japanese elongation (after sundown)

A diagram of Mercury at greatest eastern elongation on May 16, 2021. | SkyNews
Mercury at biggest japanese elongation on Might 16, 2021. (Chris Vaughan, Starry Evening Schooling)

Within the west-northwestern sky on the night of Sunday, Might 16, Mercury (orbit proven in purple) will probably be hours from its widest separation, 22 levels east of the Solar. With Mercury positioned above (north of) the night ecliptic (inexperienced line), this look of the planet will provide glorious views for Hemisphere observers, however not so for observers within the Southern Hemisphere. The optimum viewing interval at mid-northern latitudes will probably be 8:30 to 9:30 p.m. native time. Considered in a telescope (inset) the planet will exhibit a waning, half-illuminated section.

Chris Vaughan is a science author, geophysicist, astronomer, planetary scientist and an “outreach RASCal.” He writes Astronomy Skylights, and you may comply with him on Twitter at @astrogeoguy. He also can deliver his Digital Starlab moveable inflatable to your college or different daytime or night occasion. Contact him by means of AstroGeo.ca to the universe collectively.

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