Can planets be undiscovered?
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Can planets be undiscovered?
There are different categories of “planet” such as a major planet (Earth/Jupiter), dwarf planet (Pluto/Ceres), and minor planet (asteroids/comets). So, technically speaking, there are plenty of undiscovered planets out there since there are still loads of undiscovered asteroids and comets.
Do you think any more planets beyond Neptune’s orbit will be discovered?
Following the discovery of the planet Neptune in 1846, there was considerable speculation that another planet might exist beyond its orbit….Pluto loses Planet X title.
| Year | Mass | Notes |
|---|---|---|
| 1948 | 0.1 (1/10 Earth) | Kuiper |
| 1973 | 0.025 (1/40 Earth) | Rawlins |
| 1976 | 0.01 (1/100 Earth) | Cruikshank, Pilcher, & Morrison |
Could there be a planet on the other side of the sun?
No. Just no. This is a delightful staple in science fiction. There’s a mysterious world that orbits the Sun exactly the same distance as Earth, but it’s directly across the Solar System from us; always hidden by the Sun.
What is the new planet discovered in 2020?
List of exoplanets discovered in 2020
| Name | Mass ( M J) | Distance (ly) |
|---|---|---|
| Gliese 1061 c | 0.00547±0.00072 | 11.98±0.003 |
| Gliese 1061 d | 0.00516 +0.00076 −0.00072 | 11.98±0.003 |
| Gliese 1252 b | 0.00658±0.00176 | 66.49±0.06 |
| Gliese 3082 b | 0.02759 +0.011 −0.01334 | 54.2 |
Could there be a planet at L3?
The Counter-Earth would exist at L3.) The arrows indicate the gradients of the potential around the five Lagrange points—downhill toward them (red) or away from them (blue).
Could there be life on the Sun?
The Sun could not harbor life as we know it because of its extreme temperatures and radiation. Yet life on Earth is only possible because of the Sun’s light and energy.
Is the prevailing view of the universe just passed a test?
The prevailing view of the universe has just passed a rigorous new test, but the mysteries of dark matter and dark energy remain frustratingly unsolved. The Kavli Foundation Q&A: What’s Life Like at the Remotest Telescopes?
What is astronomy as a science?
Deepen your knowledge of astronomy as a science as you browse these Q&As and learn about the universe’s fascinating array of celestial bodies, from planets to stars to black holes. Discover the difference (and evidence for) dark energy and dark matter, and learn about worlds closer to home such as Venus and Saturn.
Do advanced civilizations exist elsewhere in the universe?
“The question of whether advanced civilizations exist elsewhere in the universe has always been vexed with three large uncertainties in the Drake equation,” said Adam Frank, professor of physics and astronomy at the University of Rochester and co-author of the paper. “We’ve known for a long time approximately how many stars exist.
What is the relationship between astronomy and astrology?
In curriculum for K-4 students, NASA defines astronomy as simple “the study of stars, planets and space.” Astronomy and astrology were historically associated, but astrology is not a science and is no longer recognized as having anything to do with astronomy.