Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of our Solar System. The planet sizes tested were 1 percent of Earth's mass, exactly Earth's mass, twice Earth's mass, five times Earth's mass, and ten times Earth's mass.

Astrophotographers will be able to capture Venus, Mars, Jupiter, Saturn, Uranus and Neptune tonight. However, Mercury will join the parade later in February. Apart from this, earlier EarthSky astronomer John Goss revealed that Venus,

All month, four planets — Venus, Saturn, Jupiter and Mars — will appear to line up and be bright enough to see with the naked eye in the first few hours after dark, according to NASA.

The alignment of six planets - Venus, Mars, Jupiter, Saturn, Uranus, and Neptune - will be visible through to mid-February, with peak visibility around January 29, coinciding with the new moon.

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet image of the planet.

Venus, Mars, Jupiter, Saturn, Uranus, and Neptune—align in a rare astronomical phenomenon. This spectacular display will be visible from January 21 to January 31.An official told the news agency PTI,

Jupiter, Mars, Venus and Saturn are all visible to the naked eye in the night sky for the rest of January and part of February, in what is often called a "planetary parade." Jupiter will not reach ...

AND REALLY, ON MOST CLEAR NIGHTS THROUGH THE REST OF JANUARY, YOU’LL BE ABLE TO SEE VENUS, SATURN, MARS AND JUPITER. SO HERE’S WHAT TO DO. LOOK TO THE SOUTH. AND THEN, OF COURSE, YOU NEED TO ...

On Tuesday evening (January 21), six planets will line up in the night's sky – Mars, Jupiter, Neptune, Saturn, Uranus and Venus. Best viewed in clear skies free of cloud, the individual ...

At least four planets — Venus, Jupiter, Mars and Saturn — should be visible with the naked eye if you’re not in a light-polluted downtown area. A couple of others, such as Neptune and Uranus ...

Throughout much of January and February, Venus, Mars, Jupiter, Saturn, Uranus and Neptune will be visible splayed out in a long arc across the heavens, with Venus, Mars, Jupiter and Saturn being ...

Within the first hour and a half hour after sunset, you can see four planets without a telescope. Mars, Jupiter, Venus, and Saturn will shine beautifully in the evening. While there are clear skies, take advantage of this beautiful view. You can also see the planets more vividly with a telescope or a sky app on your phone.